US3713640A - Energy absorbing and sizing means for helmets - Google Patents
Energy absorbing and sizing means for helmets Download PDFInfo
- Publication number
- US3713640A US3713640A US00058462A US3713640DA US3713640A US 3713640 A US3713640 A US 3713640A US 00058462 A US00058462 A US 00058462A US 3713640D A US3713640D A US 3713640DA US 3713640 A US3713640 A US 3713640A
- Authority
- US
- United States
- Prior art keywords
- chambers
- fluid
- compartments
- impact
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/10—Linings
- A42B3/12—Cushioning devices
- A42B3/121—Cushioning devices with at least one layer or pad containing a fluid
- A42B3/122—Cushioning devices with at least one layer or pad containing a fluid inflatable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
Definitions
- a substantially non-compressible fluid is included within these first chambers, and conduits connect the first chambers with corresponding second chambers.
- fluid is displaced to the second chambers, and, due to the design of the chambers, the displaced fluid is returned to the first chambers when the force of the impact is removed.
- Sizing means useful with the energy absorbing means or in other applications are located on the interior of the helmet surface.
- the sizing means include expandable compartments, and valves are associated with these compartments whereby a user of the helmet can place the helmet on his head after which air is introduced into the compartments until a proper fit is achieved.
- Energy absorbing pads are preferably located within the compartments to serve as additional safeguards under high impact conditions.
- the invention relates primarily to improved helmet constructions although application to other types of protective equipment is contemplated.
- the construction particularly comprises a mechanism adapted to be employed for receiving impact forces and for dissipating the forces to thereby materially reduce the adverse affects of the impact.
- the construction includes a sizing means which permits adaptation of the same helmet to a variety of individuals and which cooperates in an ideal fashion with the energy absorbing means.
- helmet structures have been designed for absorbing energy since there are many circumstances where individuals are susceptible to impact forces which could result in serious head injuries.
- the forces arise when the head strikes a more or less stationary object such as a wall or an automobile dashboards.
- the forces arise due to impact which results when another object moves into contact with the individual. This may occur in contact sports such as football, or the impact forces could result when workmen are struck by falling objects.
- a proper fit is also of critical importance in helmet constructions. Provision is made for fitting by providing a head cradle, usually composed of a plurality of straps, along with some means for adjusting the straps. This is, however, somewhat unsatisfactory since completely accurate adjustments are difficult to make, and since the adjustments can not be made while the helmet is on the head.
- FIG. 1 is a vertical, sectional view of a helmet construction provided with energy absorbing and sizing means characterized by the features of this invention
- FIG. 2 is a vertical, sectional view of the helmet construction taken about the line 2--2 of FIG. 1;
- FIG. 3 is an enlarged fragmentary, sectional view of an energy absorbing element utilized in the construction
- FIG. 4 is.a vertical sectional view taken about the line 4-4 of FIG. 1;
- FIG. 5 is a plan view of an inflating means which can be used with the construction of the invention.
- FIG. 6 is a bottom plan view of the helmet construction
- FIG. 7 is a schematic illustration of the construction as it is placed on a persons head
- FIG. 8 is a plan view of a sizing means assembly for location at the crown and sides of the helmet;
- FIG. 9 is a plan view of an assembly of energy absorbing and sizing means for location in the front of the helmet.
- FIG. 10 is a plan view of an assembly of energy absorbing and sizing means for location at the back and neck areas of the helmet;
- FIG. 11 is an enlarged crosssectional view, taken about the line 11-11 of FIG. 8, illustrating the valve means utilized in the construction;
- FIG. 12 is an enlarged fragmentary, sectional view illustrating a snap-in stud construction utilized for securing the energy absorbing and sizing means in the construction;
- FIG. 13 is a perspective view of an alternative design of sizing means
- FIG. 14 is an enlarged fragmentary, sectional view illustrating an alternative form of valve mounting means
- FIG. 15 is an enlarged fragmentary sectional view illustrating an alternative form of fastener means for securing energy absorbing and sizing assemblies
- FIG. 16 is an enlarged fragmentary sectional view illustrating an additional type of sizing means
- FIG. 17 is a cross-sectional view illustrating an alternative form of energy absorbing means
- FIG. 18 is a detailed, fragmentary, cross-sectional view illustrating the operation of the construction of FIG. 17;
- FIG. 19 is a cross-sectional view illustrating schematically the energy absorbing capabilities of the construction.
- FIG. 20 is a diagrammatic illustration of an additional type of energy absorbing means.
- the helmet construction of this invention includes means adapted to absorb energy upon being subjected to impact.
- the invention provides for the use of first and second chambers which are flexible in nature in the sense that the interiors of the chambers are adapted to increase and reduce in size in response to the application and removal of impact forces.
- a passagemeans is provided for interconnecting the respective chambers, and a substantially non-compressible fluid is included in the first chamber.
- the fluid When an impact force is applied, the fluid is adapted to be transferred from the first chamber to the second chamber through the passage means.
- the work involved in moving the fluid represents a direct measure of the amount of energy absorbed.
- the sizing means of this invention generally consist of a plurality of air compartments situated over the interior surface of the helmet shell. Valve means accessible from the exterior of the shell are provided for inflating the compartments whereby the helmet can be fit while in place on an individuals head. Additional energy absorbing means are preferably included within the compartments to provide a back-up in the event of especially high impact or in the event of failure of the primary energy absorbing means.
- the combination of the energy absorbing and sizing means is used together, preferably by placing these means on a liner which fits within the helmet shell. With this combination, assembly of the helmet can be accomplished in an extremely efficient manner. Fastening means for the liner and air valves are designed to that additional safety features are provided.
- FIGS. 1, 2, 4 and 6 illustrate a helmet 10 provided with the energy absorbing and sizing means.
- the energy absorbing means are in the form of elements 12 including first and second chambers 14 and 16.
- the sizing means with associated energy absorbing means include a first set 18 for engaging the back of the neck, a second set 20 positioned to engage an intermediate area at the back of the head, a third set 22 extending over the front of the head and a crown and side set 24.
- common backing sheets 25 may be provided for the energy absorbing and sizing means. These backing sheets are individually attached to the helmet shell which is preferably formed of a relatively rigid material such as hard plastic, metal, or the like.
- Each of the energy absorbing means carries a noncompressible fluid, the major portion of which is present in the larger chambers 14.
- Each chamber 14 communicates with a chamber 16 through constricted passage 26. Accordingly, when force is applied to the energy absorbing means, fluid is adapted to be transferred from the chamber 14 to the chamber 16.
- the energy absorbing means 12 are formed of a flexible material which can be sealed to form fluid-tight chambers, for example by gluing or heat sealing. Such materials provide the desired flexibility while also having characteristics which simplify manufacturing.
- the energy absorbing means 12 are heat sealed directly to the backing sheet 25. (See FIG. 3).
- a heat seal is provided at 28 for purposes of forming the relatively narrow passage 26 between the chambers (FIGS. 9 and 10). The size of this passage will determine the amount of force required to permit transfer of fluid from a first chamber to a second chamber.
- This chamber is designed to normally urge the fluid into the chamber 14. Accordingly, when an impact force is removed, the energy absorbing elements will resume their normal configuration.
- independent means could be provided for normally compressing the chamber 16, for example, resilient bands overlying the chamber 16. It is essential to the operation of the coristruction, however, that the fluid be preferentially included within one chamber for transfer to the other chamber upon the application of force. Substantially all of the fluid should, therefore, be in the chamber 14 with only a minimum amount of fluid, if any, being present in the chamber 16 until a force is applied.
- the energy absorbing members 12 are located at strategic points over the interior wall of the construction. Obviously, the location of the energy absorbing means should be such that protection will be provided irrespective of the direction of impact.
- the sizing means of this invention each comprise a compartment 32 or a compartment 24' in the case of the crown (FIGS. 8-10). These compartments are located in spaced apart relationship over the interior surface of the helmet. The location of the compartments is selected so that upon inflation of the compartments, the helmet shell will be evenly spaced apart as much as possible with respect to the head of the wearer.
- the sizing compartments can be manufactured by locating a flexible material on backing sheet 25 and then sealing off the compartment, for example, by heat sealing or gluing.
- the material is heat sealed to the backing sheet around all edges of each compartment with the exception of small passages 36 which interconnect the respective compartments. This arrangement is best illustrated in FIGS. 9 and 10.
- a valve 38 may be associated with each compartment or set of compartments. Referring to the sets 18, 20 and 22 in FIGS. 9 and 10, it will be noted that a valve is associated with the intermediate compartment, and due to the interconnecting passages 36, all of the compartments 32 can be filled with air simultaneously. In the case of any set, a single valve can be employed; however, two or more valves could be positioned at intervals particularly where greater numbers of compartments are included in a set.
- the set 24 consists of a compartment 24' of circular configuration with a valve 38 communicating with the interior of this sizing means.
- This compartment 24 is situated in the crown of the helmet for engaging the top of the wearers head.
- a bellows type body may alternatively be used for the compartment or for others of the sizing means.
- a second valve means 38 associated with this assembly communicates with a bubble 41 which, in turn, is connected through the passages 41 to the side compartments 32.
- these side compartments are provided with a separate valve so that they can be inflated separately from the chamber 24 during the fitting operation.
- the backing sheets 25 for each of the configurations shown in FIGS. 8-10 are provided with tabs 43. These tabs define openings 45 for alignment with corresponding openings in securing bands 47.
- These securing bands comprise relatively stiff plastic pieces which are secured to the helmet wall by means of snap-in studs 49 shown in FIG. 12.
- the studs 49 include an enlarged bifurcated end 49' which, when pressed into reduced diameter openings in the helmet shell, will hold the bands in a secure position.
- the openings in the helmet shell define a counter sunk portion 49" so that the enlarged end 49' will lock into place.
- the sets of energy absorbing and sizing means can be riveted or otherwise attached to the bands and the bands are then secured to the helmet shell by means of the snap-in studs 49.
- the valves 38 are attached to the sizing chamber assemblies prior to attachment of these assemblies to the bands, and the valves are then adapted to be snapped into place relative to the helmet shell.
- valves 38 A preferred construction for the valves 38 is shown in FIG. 11.
- the valves comprise a beaded inner end 140 whereby a resilient band 142 can be held in place around the valve body.
- the valve is slit at 144, and a central bore 146 is formed adjacent this slit.
- Outwardly extending shoulders 148 are provided so that the valves can be snapped into openings 150 defined by the helmet shell (FIG. 1).
- the slit 144 is provided in the valve for entry of the needle 152 of the inflating means 154 shown in FIG. 5.
- the inflating device of FIG. 5 is merely illustrative of a suitable manually held construction; however, other conventional means can obviously be employed for this purpose.
- the inflating means should, however, include a needle portion which can be inserted in the bore 146 of the valve and forced through the slit in opposition to the resilient action of the band 142.
- the sizing means can then be inflated in a desired degree while the helmet is on the wearers head, and when the needle is pulled out, the band 142 will provide automatic sealing.
- studs 49 and valves 38 are particularly desirable for athletic helmets.
- the snap-in characteristics permit secure attachment of these members without having any protruding portions so that a smooth exterior can be provided to minimize the possibility of injuries.
- a strip 53 of leather may be provided over the compartments 32 located at the front of the helmet for positioning against the forehead.
- This strip of 5 material serves as a sweatband, and it is preferably adhesively applied to permit easy removal and replacement.
- sequence variations are contemplated, particularly where the design of the individual sets varies, fitting a helmet on the head of an individual, may commence with the compartment 24' of the crown area 90 (FIG. 7) being inflated first to provide a comfortable position of the helmet, for example from the standpoint of vision.
- the sets 22 and of compartments 32 in the areas 92 and 94 can then be inflated (preferably in that order) to provide substantially uniform spacing between the helmet wall and the front and back of the head.
- the set 18 is then inflated to engage the neck properly.
- the side compartments 32 of the set 24 are then inflated last to complete fitting of the helmet, again without disturbing the position established by the initial inflation. It will be appreciated that the order of inflation described represents a convenient and efficient arrangement but that other inflating sequences are clearly available.
- Each of the compartments preferably includes an energy absorbing element in its interior.
- These elements comprise a first layer formed of standard resilient material, such as expanded vinyl, used for the padding of athletic equipment.
- the other layer 51 is preferably a crushable material capable of absorbing energy, for example, expanded polystyrene beads sold under the trademark Ethafoam.
- FIGS. 17 and 18 illustrate an alternative design for the energyabsorbing means 12 comprising a single housing 86 defining a first chamber 88 and a second chamber 90.
- the passages 92 and 94 interconnect the respective chambers.
- a first flap valve 97 permits fluid in the chamber 88 to pass into the chamber while the flap valve 98 provides for reverse movement.
- a suitable resilient means may be associated with the arrangement of FIG. 17 for compressing the housing 86 in the area of the chamber 90 as suggested by the dotted lines. These compressing means will, therefore, resist entry of fluid in the chamber 90 while operating to urge return of the fluid through the passage 94.
- FIGS. 17 and 18 differs from the energy absorbing means 12 primarily because of the ability of the flap valve 97 to provide for substantial changes in the size of the passage communicating the first and second chambers.
- the flap valve 97 to provide for substantial changes in the size of the passage communicating the first and second chambers.
- the passage means 100 shown in FIG. 20 comprises a conically shaped tubular member having a side wall of varying thickness.
- the opening 101 interconnects the chambers 102 and 104 thereby providing a normally open passage for movement of fluids back and forth between the chambers.
- the material forming the passage is flexible so that the opening 101, being in the thin wall area, will expand by an amount depending on the size of the impact force. This is particularly important in the case of high impact, since otherwise the resistance of the chamber 102 might approach the resistance of a solid.
- FIG. 19 schematically illustrates the manner in which the various elements within the construction cooperate.
- the sizing means 32 absorb the energy resulting from impacts of lower magnitude. In the case of a football helmet, these sizing means may absorb all the energy as much as 60 percent of the time.
- the absorbing means 12 When greater forces are encountered, the absorbing means 12 come into play; these absorbing means will probably be used about 30 percent of the time when utilized in football helmets.
- the resilient padding 50 can then be used only for the remaining l0 percent of impact forces. As shown in FIG. 19, this resilient padding may extend closely adjacent the inner surface of the sizing chamber, in which case, its effect will be utilized for lesser impact stages. Alternatively, the padding 50 may be of much lesser extent, and it will then be utilized in later stages of impact. In any event, even relatively severe impacts encountered during a football game can be readily accommodated by the three systems referred to.
- the crushable material 51 is provided only for extremely severe circumstances, circumstances which might be severe enough to cause bursting of the compartments 32 and absorbing means 12.
- the crushable material will give under these severe circumstances and therefore may not be usable thereafter; however, since other damage has occurred; sizing means and absorbing means would have to be replaced in any event.
- the energy absorbing means comprising the units 12 are considered to have utility apart from the sizing means, and the sizing means likewise have separate utility. Although the respective means cooperate in an ideal fashion as described, the utilization of other complementary arrangements with either of these means is contemplated.
- the sizing means and the energy absorbing means on a common liner provides many advantages. Assembly is greatly simplified since accurate placement of the elements on the liner is easily accomplished. Thus, the assembly can be produced from two opposing sheets of heat scalable material with the chambers, compartments, and passages formed in one sheet. Furthermore, the liner can be easily removed in the event of any defects or failure of any of the elements on the liner. A replacement liner can be provided, and there will be no need to discard the helmet shell. Individual assemblies, for example the set 22, can be used in combination with other energy absorbing or sizing arrangements instead of using all the sets together. Finally, the energy absorbing or sizing means, or an assembly thereof, can be used with other protective equipment such as shoulder pads, jaw pads, thigh pads, hip pads, etc.
- a liner 52 may be provided with strap portions 54 adapted to overlap the peripheral edge of the helmet shell. By providing openings in these strap portions in alignment with openings in the helmet shell, the liner can be easily attached and removed.
- One suitable means for securing the liner 52 to the helmet shell comprises a fastener 56 formed of a tough resilient material.
- the fastener includes an enlarged head 58, a reduced diameter shank 60, and an enlarged end 62.
- a narrow strip 64 is formed as an extension of the enlarged end.
- a plate 66 is located over the interior wall of the helmet shell, and an internally threaded sleeve 68 is passed through an opening in the liner 52 and through the helmet shell.
- a screw 70 is then provided for securing the edge portion 54.
- FIG. 14 illustrates an alternative form of valve construction.
- the valve comprises a shank portion 72 which extends through an opening in the helmet shell.
- the inner end 74 is maintained in spaced apart relationship with the helmet shell by means of a grommet 76 formed of resilient material.
- a grommet 76 formed of resilient material.
- the grommet 76 will give thereby allowing the shank 72 of the valve to move outwardly of the helmet shell.
- the helmet constructions of this invention are, of course, designed so that the wearers head would never come into contact with a valve; howeven-the arrangement of FIG. 14 is considered desirable as a means for preventing injury in the event of failure of other components of the helmet or in the event of highly unusual impact forces.
- the provision of air or other gas for the sizing means provides a highly effective and easily handled fitting technique.
- the combination of the energy absorbing means and the sizing means is itself of critical importance particularly since the design of the respective means lends itself to joint installation, for example, on a common backing, and since the highly accurate fitting cooperates with the energy absorbing means in providing a safe helmet.
- This latter feature is of major importance since the provision of an accurate fit, with the sizing means firmly against the head even where unusual head contours are involved, is very important in preventing head injury.
- the sizing compartments will compensate to avoid any looseness.
- An assembly comprising a plurality of interconnected fluid containing compartments mounted on a common backing, valve means communicating with said compartments for introducing and removing fluid to thereby permit changing of the size of the compartments, and energy absorbing means associated with said compartments, said energy absorbing means comprising a plurality of first flexible chambers, a plurality of second flexible chambers, passage means connecting said first chambers to said second chambers, a substantially non-compressible fluid within said first chambers, and means normally retaining said second chambers in a compressed state whereby at least a major portion of said fluid will normally be retained in said first chambers and whereby the force of an impact applied to said first chambers operates to transfer fluid through said passage means into said second chambers with said fluid moving back to the first chambers when the force is removed, and wherein combinations of first and second chambers are located on said backing between adjacent compartments.
- compartments by leaving narrow unheat-sealed areas extending between the respective compartments.
- the improvement comprising a plurality of first flexible chambers positioned on the surface of the construction to receive the effects of said impact, a plurality of second flexible chambers, passage means connecting said first chambers to said second chambers, a substantially non-compressible fluid within said first chambers, said second chambers being formed by substantially overlying walls secured at their edges whereby the second chambers are normally maintained in a compressed state of low volume so that substantially all of said fluid will normally be retained in said first chambers, the force of an impact being adapted to transfer fluid through said passage means into said second chambers, and whereby the fluid transferred is moved back to the first chambers when said force is removed.
- an assembly for use in absorbing energy when subjected to impact, the improvement comprising a plurality of first flexible chambers adapted to receive the effects of said impact, a'plurality of second flexible chambers, passage means connecting said first chambers to said second chambers, a substantially non-compressible fluid within said first chambers, at least a major portion of said fluid normally being retained in said first chambers, the force of the impact operating to transfer fluid through said passage means into said second chambers, and whereby fluid is moved back to the first chambers when said force is dissipated, and including a plurality of sizing means attached in said assembly, and means for adjusting the size of said sizing means to permit use of the assembly under varying conditions.
- sizing means comprising compartments having a compressible fluid disposed therein, valve means communicating with said compartments for introducing and removing said fluid to thereby permit changing of the size of said compartments, and ener y absorbing means havin ener y absorbmg capabrh res completely mdepen ent 0 said compartments and having exposed exterior surfaces for receiving applied force when impact occurs, said compartments being located at spaced intervals, and
- an assembly for use in absorbing energy when the assembly or structure associated with the assembly is subjected to impact, the improvement comprising a plurality of flexible chambers positioned for receiving effects of said impact, a substantially non-compressible fluid normally located within said chambers, passage means extending from said chambers, fluid receiving means connected to said passage means whereby said chambers and said fluid receiving means are maintained in communication by said passage means, means for normally retaining at least a major portion of said fluid in said chambers in preference to said fluid receiving means, the force of an impact operating to transfer fluid through said passage means into said fluid receiving means, and whereby the fluid transferred is moved back to said chambers when said force is removed.
Abstract
Description
Claims (9)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5846270A | 1970-07-27 | 1970-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3713640A true US3713640A (en) | 1973-01-30 |
Family
ID=22016947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00058462A Expired - Lifetime US3713640A (en) | 1970-07-27 | 1970-07-27 | Energy absorbing and sizing means for helmets |
Country Status (1)
Country | Link |
---|---|
US (1) | US3713640A (en) |
Cited By (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0393238A1 (en) * | 1989-09-12 | 1990-10-24 | Scheuring, Uwe | Protective helmets for motorcycles and the like |
US5014365A (en) * | 1989-01-23 | 1991-05-14 | Maxpro Helmets, Inc. | Gas-fitted protective helmet |
US5031246A (en) * | 1990-03-02 | 1991-07-16 | Kronenberger Robert A | Headwear with size adjustment feature |
US5129107A (en) * | 1990-09-28 | 1992-07-14 | Lorenzo Javier M | Inflatable safety helmet, specially for motorcycling |
US5131174A (en) * | 1990-08-27 | 1992-07-21 | Alden Laboratories, Inc. | Self-reinitializing padding device |
US5175889A (en) * | 1990-08-29 | 1993-01-05 | Riddell, Inc. | Inflatable liner for protective headgear |
US5545128A (en) * | 1992-11-20 | 1996-08-13 | Beth Israel Hospital | Bone fracture prevention method |
US5913412A (en) * | 1994-03-22 | 1999-06-22 | So Services Ag | Protective helmet |
US6093468A (en) * | 1997-03-14 | 2000-07-25 | The Procter & Gamble Company | Flexible lightweight protective pad with energy absorbing inserts |
US6128779A (en) * | 1997-11-14 | 2000-10-10 | Jas D. Easton, Inc. | Limb protector |
US6250299B1 (en) * | 1997-08-15 | 2001-06-26 | 3M Innovative Properties Company | Protective system for face and respiratory protection |
US6351854B1 (en) * | 2000-12-15 | 2002-03-05 | Thomas J. Whalen | Personal protection device |
US6351853B1 (en) * | 1999-06-04 | 2002-03-05 | Southern Impact Research Center, Llc | Helmet fitting system |
US6493881B1 (en) | 2001-08-07 | 2002-12-17 | Brooke Picotte | Head protector for infants and small children |
US6530092B2 (en) | 2001-05-09 | 2003-03-11 | Southern Impact Research Center, Llc | Fitting and comfort system with inflatable liner for helmet |
US6681408B2 (en) * | 2002-01-25 | 2004-01-27 | Tun-Jen Ku | Impact resistant structure of safety helmet |
US20040107482A1 (en) * | 2001-08-07 | 2004-06-10 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
US20050125882A1 (en) * | 2003-07-08 | 2005-06-16 | Gentex Corporation | Padset for protective helmet |
US6912736B2 (en) | 2003-06-20 | 2005-07-05 | Vans, Inc. | Helmet fit element |
US20070220663A1 (en) * | 2001-08-07 | 2007-09-27 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
US20080092277A1 (en) * | 2006-09-08 | 2008-04-24 | Nelson Kraemer | Sports helmet with clamp for securing a chin protector |
US20080250548A1 (en) * | 2007-04-13 | 2008-10-16 | Stuhmiller James H | Anti-blast and shock optimal reduction buffer |
US20080256686A1 (en) * | 2005-02-16 | 2008-10-23 | Xenith, Llc. | Air Venting, Impact-Absorbing Compressible Members |
US20100154101A1 (en) * | 2008-12-23 | 2010-06-24 | Tai-Kuang Wang | Method for elastic sweatband and headgear using the same |
US20100282554A1 (en) * | 2009-05-11 | 2010-11-11 | Stone Thomas D | Multi-chamber impact absorption system to protect individual |
US20110131695A1 (en) * | 2009-12-09 | 2011-06-09 | Maddux Larry E | TPU/Foam Jaw Pad |
US20110209272A1 (en) * | 2010-03-01 | 2011-09-01 | Drake Carl | Protective sports helmet with energy-absorbing padding and a facemask with force-distributing shock absorbers |
US20120085429A1 (en) * | 2010-10-08 | 2012-04-12 | Teng-Jen Yang | Air pressure adjustable elastic body |
US20120102630A1 (en) * | 2010-11-01 | 2012-05-03 | Lawrence Anderson | Wearable protection device and method thereof |
US20120304367A1 (en) * | 2010-02-26 | 2012-12-06 | Thl Holding Company, Llc | Protective helmet |
US20120304366A1 (en) * | 2011-06-01 | 2012-12-06 | Bernard Daoust | Mechanical fasteners for shock-absorbing helmets |
US20130000017A1 (en) * | 2011-07-01 | 2013-01-03 | Intellectual Property Holdings, Llc | Helmet impact liner system |
US20130014313A1 (en) * | 2011-07-13 | 2013-01-17 | Robert Erb | Ventilated air liner for a helmet |
US20130111653A1 (en) * | 2011-11-04 | 2013-05-09 | Otos Wing Co., Ltd. | Air cushion for attaching headband of welding mask |
US8528118B2 (en) | 2002-05-01 | 2013-09-10 | Riddell, Inc. | Sports helmet |
US20130247411A1 (en) * | 2010-10-08 | 2013-09-26 | Teng-Jen Yang | Air pressure adjustable elastic body used in shoe sole as a shock absorber |
US20130333100A1 (en) * | 2012-06-18 | 2013-12-19 | Robert Erb | Football helmet |
US20140020158A1 (en) * | 2011-04-29 | 2014-01-23 | Roho, Inc. | Multilayer impact attenuating insert for headgear |
WO2014113767A1 (en) * | 2013-01-18 | 2014-07-24 | Carlton, Robert A. | Impact absorbing apparatus |
US20140223643A1 (en) * | 2013-02-12 | 2014-08-14 | Riddell, Inc. | Pad assemblies for a protective sports helmet |
US8915339B2 (en) | 2010-12-10 | 2014-12-23 | Skydex Technologies, Inc. | Interdigitated cellular cushioning |
US8950735B2 (en) | 2011-12-14 | 2015-02-10 | Xenith, Llc | Shock absorbers for protective body gear |
US20150101899A1 (en) * | 2013-10-11 | 2015-04-16 | Rousseau Research, Inc. | Protective athletic equipment |
EP2907403A1 (en) * | 2014-02-15 | 2015-08-19 | Rex Medical, L.P. | Helmet with varying shock absorption |
US9289024B2 (en) | 2007-04-16 | 2016-03-22 | Riddell, Inc. | Protective sports helmet |
US9320311B2 (en) | 2012-05-02 | 2016-04-26 | Intellectual Property Holdings, Llc | Helmet impact liner system |
US9398783B2 (en) | 2007-10-31 | 2016-07-26 | Kranos Ip Corporation | Helmet with shell having raised central channel and ear holes with abutting slopped banks |
US9474313B2 (en) | 2013-12-16 | 2016-10-25 | Brian Kamradt | Energy absorbing and displacing structure for body protective padding |
US20170027269A1 (en) * | 2015-07-27 | 2017-02-02 | Luke Wilson | Apparatus for use with hat |
US20170232327A1 (en) * | 2016-02-12 | 2017-08-17 | Carl Kuntz | Impact absorption padding for contact sports helmets |
US9743701B2 (en) | 2013-10-28 | 2017-08-29 | Intellectual Property Holdings, Llc | Helmet retention system |
US9763488B2 (en) | 2011-09-09 | 2017-09-19 | Riddell, Inc. | Protective sports helmet |
US9788591B2 (en) | 2007-04-16 | 2017-10-17 | Riddell, Inc. | Quick release connector |
US9894953B2 (en) | 2012-10-04 | 2018-02-20 | Intellectual Property Holdings, Llc | Helmet retention system |
US20180187741A1 (en) * | 2016-12-30 | 2018-07-05 | Klnp, Llc | Impact absorbing apparatus |
USD838922S1 (en) | 2011-05-02 | 2019-01-22 | Riddell, Inc. | Football helmet |
USD844255S1 (en) | 2014-02-12 | 2019-03-26 | Riddell, Inc. | Football helmet |
US10285466B2 (en) | 2010-07-22 | 2019-05-14 | Kranos Ip Corporation | Football helmet with shell section defined by a non-linear channel |
US10362829B2 (en) | 2013-12-06 | 2019-07-30 | Bell Sports, Inc. | Multi-layer helmet and method for making the same |
USD856601S1 (en) | 2011-05-02 | 2019-08-13 | Riddell, Inc. | Football helmet |
US10413009B2 (en) | 2014-02-15 | 2019-09-17 | Rex Medical, L.P. | Helmet with impact tracking |
US10582737B2 (en) | 2013-02-12 | 2020-03-10 | Riddell, Inc. | Football helmet with impact attenuation system |
US10721987B2 (en) | 2014-10-28 | 2020-07-28 | Bell Sports, Inc. | Protective helmet |
US10948898B1 (en) | 2013-01-18 | 2021-03-16 | Bell Sports, Inc. | System and method for custom forming a protective helmet for a customer's head |
USD927084S1 (en) | 2018-11-22 | 2021-08-03 | Riddell, Inc. | Pad member of an internal padding assembly of a protective sports helmet |
US11167198B2 (en) | 2018-11-21 | 2021-11-09 | Riddell, Inc. | Football helmet with components additively manufactured to manage impact forces |
US11213736B2 (en) | 2016-07-20 | 2022-01-04 | Riddell, Inc. | System and methods for designing and manufacturing a bespoke protective sports helmet |
US11229255B2 (en) | 2016-11-08 | 2022-01-25 | JMH Consulting Group, LLC | Helmet |
US11341831B2 (en) | 2020-01-22 | 2022-05-24 | James Kelly | Device and system for ultrasonic transmission of accelerometer data |
US11399589B2 (en) | 2018-08-16 | 2022-08-02 | Riddell, Inc. | System and method for designing and manufacturing a protective helmet tailored to a selected group of helmet wearers |
US20220248794A1 (en) * | 2019-02-25 | 2022-08-11 | Bumpair | Inflatable device for the protection of objects or persons |
USD1007768S1 (en) * | 2021-03-05 | 2023-12-12 | Park & Diamond Inc. | Helmet core |
-
1970
- 1970-07-27 US US00058462A patent/US3713640A/en not_active Expired - Lifetime
Cited By (141)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5014365A (en) * | 1989-01-23 | 1991-05-14 | Maxpro Helmets, Inc. | Gas-fitted protective helmet |
EP0393238A1 (en) * | 1989-09-12 | 1990-10-24 | Scheuring, Uwe | Protective helmets for motorcycles and the like |
US5031246A (en) * | 1990-03-02 | 1991-07-16 | Kronenberger Robert A | Headwear with size adjustment feature |
US5131174A (en) * | 1990-08-27 | 1992-07-21 | Alden Laboratories, Inc. | Self-reinitializing padding device |
US5175889A (en) * | 1990-08-29 | 1993-01-05 | Riddell, Inc. | Inflatable liner for protective headgear |
US5129107A (en) * | 1990-09-28 | 1992-07-14 | Lorenzo Javier M | Inflatable safety helmet, specially for motorcycling |
US5545128A (en) * | 1992-11-20 | 1996-08-13 | Beth Israel Hospital | Bone fracture prevention method |
US5599290A (en) * | 1992-11-20 | 1997-02-04 | Beth Israel Hospital | Bone fracture prevention garment and method |
US5913412A (en) * | 1994-03-22 | 1999-06-22 | So Services Ag | Protective helmet |
US6093468A (en) * | 1997-03-14 | 2000-07-25 | The Procter & Gamble Company | Flexible lightweight protective pad with energy absorbing inserts |
US6250299B1 (en) * | 1997-08-15 | 2001-06-26 | 3M Innovative Properties Company | Protective system for face and respiratory protection |
US6128779A (en) * | 1997-11-14 | 2000-10-10 | Jas D. Easton, Inc. | Limb protector |
US6351853B1 (en) * | 1999-06-04 | 2002-03-05 | Southern Impact Research Center, Llc | Helmet fitting system |
US6591428B2 (en) | 1999-06-04 | 2003-07-15 | Southern Impact Research Center, Llc | Helmet fitting system |
US6351854B1 (en) * | 2000-12-15 | 2002-03-05 | Thomas J. Whalen | Personal protection device |
US6560789B2 (en) * | 2000-12-15 | 2003-05-13 | Thomas Whalen | Personal protection device |
US6530092B2 (en) | 2001-05-09 | 2003-03-11 | Southern Impact Research Center, Llc | Fitting and comfort system with inflatable liner for helmet |
US6493881B1 (en) | 2001-08-07 | 2002-12-17 | Brooke Picotte | Head protector for infants and small children |
US20120124718A1 (en) * | 2001-08-07 | 2012-05-24 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
US20040107482A1 (en) * | 2001-08-07 | 2004-06-10 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
US7103923B2 (en) * | 2001-08-07 | 2006-09-12 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
US20070220663A1 (en) * | 2001-08-07 | 2007-09-27 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
US6681408B2 (en) * | 2002-01-25 | 2004-01-27 | Tun-Jen Ku | Impact resistant structure of safety helmet |
US10136692B2 (en) | 2002-05-01 | 2018-11-27 | Riddell, Inc. | Sports helmet |
US8528118B2 (en) | 2002-05-01 | 2013-09-10 | Riddell, Inc. | Sports helmet |
US10932514B2 (en) | 2002-05-01 | 2021-03-02 | Riddell, Inc. | Protective sports helmet |
US8938818B2 (en) | 2002-05-01 | 2015-01-27 | Riddell, Inc. | Sports helmet |
US10143257B2 (en) | 2002-05-01 | 2018-12-04 | Riddell, Inc. | Protective sports helmet |
US6912736B2 (en) | 2003-06-20 | 2005-07-05 | Vans, Inc. | Helmet fit element |
WO2005002380A3 (en) * | 2003-07-01 | 2005-11-24 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
US6952839B2 (en) * | 2003-07-08 | 2005-10-11 | Gentex Corporation | Padset for protective helmet |
US20050125882A1 (en) * | 2003-07-08 | 2005-06-16 | Gentex Corporation | Padset for protective helmet |
US9683622B2 (en) | 2004-04-21 | 2017-06-20 | Xenith, Llc | Air venting, impact-absorbing compressible members |
US20080256686A1 (en) * | 2005-02-16 | 2008-10-23 | Xenith, Llc. | Air Venting, Impact-Absorbing Compressible Members |
US7900279B2 (en) | 2006-09-08 | 2011-03-08 | Riddell, Inc. | Sports helmet with clamp for securing a chin protector |
US20080092277A1 (en) * | 2006-09-08 | 2008-04-24 | Nelson Kraemer | Sports helmet with clamp for securing a chin protector |
US20080250548A1 (en) * | 2007-04-13 | 2008-10-16 | Stuhmiller James H | Anti-blast and shock optimal reduction buffer |
US10561193B2 (en) | 2007-04-16 | 2020-02-18 | Riddell, Inc. | Protective sports helmet |
US9289024B2 (en) | 2007-04-16 | 2016-03-22 | Riddell, Inc. | Protective sports helmet |
US9788591B2 (en) | 2007-04-16 | 2017-10-17 | Riddell, Inc. | Quick release connector |
US10856600B2 (en) | 2007-04-16 | 2020-12-08 | Riddell, Inc. | Quick release connector |
US10271605B2 (en) | 2007-04-16 | 2019-04-30 | Riddell, Inc. | Protective sports helmet |
US9398783B2 (en) | 2007-10-31 | 2016-07-26 | Kranos Ip Corporation | Helmet with shell having raised central channel and ear holes with abutting slopped banks |
US20100154101A1 (en) * | 2008-12-23 | 2010-06-24 | Tai-Kuang Wang | Method for elastic sweatband and headgear using the same |
US20100282554A1 (en) * | 2009-05-11 | 2010-11-11 | Stone Thomas D | Multi-chamber impact absorption system to protect individual |
US8387164B2 (en) * | 2009-12-09 | 2013-03-05 | Kranos Ip Corporation | Plastic foam helmet pad |
US8201269B2 (en) * | 2009-12-09 | 2012-06-19 | Kranos Ip Corporation | TPU/foam jaw pad |
US20110131695A1 (en) * | 2009-12-09 | 2011-06-09 | Maddux Larry E | TPU/Foam Jaw Pad |
US20120198605A1 (en) * | 2009-12-09 | 2012-08-09 | Kranos Ip Corporation | Tpu/foam jaw pad |
US10709191B2 (en) * | 2010-02-26 | 2020-07-14 | Thl Holding Company, Llc | Protective helmet |
US20160278468A1 (en) * | 2010-02-26 | 2016-09-29 | Thl Holding Company, Llc | Protective helmet |
US20120304367A1 (en) * | 2010-02-26 | 2012-12-06 | Thl Holding Company, Llc | Protective helmet |
US20110209272A1 (en) * | 2010-03-01 | 2011-09-01 | Drake Carl | Protective sports helmet with energy-absorbing padding and a facemask with force-distributing shock absorbers |
US10285466B2 (en) | 2010-07-22 | 2019-05-14 | Kranos Ip Corporation | Football helmet with shell section defined by a non-linear channel |
US10357075B2 (en) | 2010-07-22 | 2019-07-23 | Kranos Ip Corporation | Impact attenuation system for a protective helmet |
US10448691B2 (en) | 2010-07-22 | 2019-10-22 | Kranos Ip Corporation | Football helmet with movable flexible section |
US10470515B2 (en) | 2010-07-22 | 2019-11-12 | Kranos Ip Corporation | Football helmet with pressable front section |
US10470514B2 (en) | 2010-07-22 | 2019-11-12 | Kranos Ip Corporation | Football helmet with movable shell segment |
US10470516B2 (en) | 2010-07-22 | 2019-11-12 | Kranos Ip Corporation | Impact attenuation system for a protective helmet |
US10736372B2 (en) | 2010-07-22 | 2020-08-11 | Kanos Ip Corporation | Impact attenuation system for a protective helmet |
US20120085429A1 (en) * | 2010-10-08 | 2012-04-12 | Teng-Jen Yang | Air pressure adjustable elastic body |
US20130247411A1 (en) * | 2010-10-08 | 2013-09-26 | Teng-Jen Yang | Air pressure adjustable elastic body used in shoe sole as a shock absorber |
US20120102630A1 (en) * | 2010-11-01 | 2012-05-03 | Lawrence Anderson | Wearable protection device and method thereof |
US9420841B2 (en) * | 2010-11-01 | 2016-08-23 | Lawrence Everett Anderson | Wearable protection device and method thereof |
US8915339B2 (en) | 2010-12-10 | 2014-12-23 | Skydex Technologies, Inc. | Interdigitated cellular cushioning |
US10197125B2 (en) | 2010-12-10 | 2019-02-05 | Skydex Technologies, Inc. | Interdigitated cellular cushioning |
US9603407B2 (en) | 2010-12-10 | 2017-03-28 | Skydex Technologies, Inc. | Interdigitated cellular cushioning |
US20140020158A1 (en) * | 2011-04-29 | 2014-01-23 | Roho, Inc. | Multilayer impact attenuating insert for headgear |
USD838922S1 (en) | 2011-05-02 | 2019-01-22 | Riddell, Inc. | Football helmet |
USD856601S1 (en) | 2011-05-02 | 2019-08-13 | Riddell, Inc. | Football helmet |
USD856600S1 (en) | 2011-05-02 | 2019-08-13 | Riddell, Inc. | Football helmet |
US20120304366A1 (en) * | 2011-06-01 | 2012-12-06 | Bernard Daoust | Mechanical fasteners for shock-absorbing helmets |
US9713355B2 (en) * | 2011-06-01 | 2017-07-25 | Xenith, Llc | Mechanical fasteners for shock-absorbing helmets |
US9516910B2 (en) * | 2011-07-01 | 2016-12-13 | Intellectual Property Holdings, Llc | Helmet impact liner system |
US20130000017A1 (en) * | 2011-07-01 | 2013-01-03 | Intellectual Property Holdings, Llc | Helmet impact liner system |
US8544117B2 (en) * | 2011-07-13 | 2013-10-01 | Kranos Ip Corporation | Ventilated air liner for a helmet |
US20130014313A1 (en) * | 2011-07-13 | 2013-01-17 | Robert Erb | Ventilated air liner for a helmet |
US20220240617A1 (en) * | 2011-09-09 | 2022-08-04 | Riddell, Inc. | Protective sports helmet |
US9763488B2 (en) | 2011-09-09 | 2017-09-19 | Riddell, Inc. | Protective sports helmet |
US11503872B2 (en) * | 2011-09-09 | 2022-11-22 | Riddell, Inc. | Protective sports helmet |
US10874162B2 (en) | 2011-09-09 | 2020-12-29 | Riddell, Inc. | Protective sports helmet |
US11311067B2 (en) | 2011-09-09 | 2022-04-26 | Riddell, Inc. | Protective sports helmet |
US11083237B2 (en) | 2011-10-14 | 2021-08-10 | Windpact, Inc. | Impact absorbing apparatus |
US8661570B2 (en) * | 2011-11-04 | 2014-03-04 | Otos Wing Co., Ltd. | Air cushion for attaching headband of welding mask |
US20130111653A1 (en) * | 2011-11-04 | 2013-05-09 | Otos Wing Co., Ltd. | Air cushion for attaching headband of welding mask |
US8950735B2 (en) | 2011-12-14 | 2015-02-10 | Xenith, Llc | Shock absorbers for protective body gear |
US9320311B2 (en) | 2012-05-02 | 2016-04-26 | Intellectual Property Holdings, Llc | Helmet impact liner system |
US10098406B2 (en) | 2012-06-18 | 2018-10-16 | Kranos Ip Corporation | Football helmet with faceguard having raised eyebrow areas |
US20130333100A1 (en) * | 2012-06-18 | 2013-12-19 | Robert Erb | Football helmet |
US9326561B2 (en) * | 2012-06-18 | 2016-05-03 | Kranos Ip Corporation | Helmet |
US9131744B2 (en) * | 2012-06-18 | 2015-09-15 | Kranos Ip Corporation | Football helmet |
US10376011B2 (en) | 2012-06-18 | 2019-08-13 | Kranos Ip Corporation | Football helmet with raised plateau |
US10258100B1 (en) | 2012-06-18 | 2019-04-16 | Kranos Ip Corporation | Football helmet with raised plateau |
US9894953B2 (en) | 2012-10-04 | 2018-02-20 | Intellectual Property Holdings, Llc | Helmet retention system |
US10595578B2 (en) | 2012-10-04 | 2020-03-24 | Intellectual Property Holdings, Llc | Helmet retention system |
US10948898B1 (en) | 2013-01-18 | 2021-03-16 | Bell Sports, Inc. | System and method for custom forming a protective helmet for a customer's head |
CN105050439A (en) * | 2013-01-18 | 2015-11-11 | 温德帕克特股份有限公司 | Impact absorbing apparatus |
WO2014113767A1 (en) * | 2013-01-18 | 2014-07-24 | Carlton, Robert A. | Impact absorbing apparatus |
US10039338B2 (en) | 2013-01-18 | 2018-08-07 | Windpact, Inc. | Impact absorbing apparatus |
EP2945503A1 (en) * | 2013-01-18 | 2015-11-25 | Kelly, Maurice A. | Impact absorbing apparatus |
US11419383B2 (en) | 2013-01-18 | 2022-08-23 | Riddell, Inc. | System and method for custom forming a protective helmet for a customer's head |
EP2945503A4 (en) * | 2013-01-18 | 2017-04-26 | Windpact, Inc. | Impact absorbing apparatus |
US11889883B2 (en) | 2013-01-18 | 2024-02-06 | Bell Sports, Inc. | System and method for forming a protective helmet for a customer's head |
US8863320B2 (en) | 2013-01-18 | 2014-10-21 | Windpact, Inc. | Impact absorbing apparatus |
US11399588B2 (en) | 2013-02-12 | 2022-08-02 | Riddell, Inc. | Pad assemblies for a protective sports helmet |
US20140223643A1 (en) * | 2013-02-12 | 2014-08-14 | Riddell, Inc. | Pad assemblies for a protective sports helmet |
US10624407B2 (en) | 2013-02-12 | 2020-04-21 | Riddell, Inc. | Pad assemblies for a protective sports helmet |
US11910859B2 (en) | 2013-02-12 | 2024-02-27 | Riddell, Inc. | Football helmet with impact attenuation system |
US10582737B2 (en) | 2013-02-12 | 2020-03-10 | Riddell, Inc. | Football helmet with impact attenuation system |
US9770060B2 (en) * | 2013-02-12 | 2017-09-26 | Riddell, Inc. | Pad assemblies for a protective sports helmet |
US9841075B2 (en) * | 2013-10-11 | 2017-12-12 | Rousseau Research, Inc. | Protective athletic equipment |
US20150101899A1 (en) * | 2013-10-11 | 2015-04-16 | Rousseau Research, Inc. | Protective athletic equipment |
US9743701B2 (en) | 2013-10-28 | 2017-08-29 | Intellectual Property Holdings, Llc | Helmet retention system |
US11291263B2 (en) | 2013-12-06 | 2022-04-05 | Bell Sports, Inc. | Multi-layer helmet and method for making the same |
US10362829B2 (en) | 2013-12-06 | 2019-07-30 | Bell Sports, Inc. | Multi-layer helmet and method for making the same |
US11871809B2 (en) | 2013-12-06 | 2024-01-16 | Bell Sports, Inc. | Multi-layer helmet and method for making the same |
US10010122B2 (en) | 2013-12-16 | 2018-07-03 | Brian Kamradt | Energy absorbing and displacing structure for body protective padding |
US9474313B2 (en) | 2013-12-16 | 2016-10-25 | Brian Kamradt | Energy absorbing and displacing structure for body protective padding |
USD927078S1 (en) | 2014-02-12 | 2021-08-03 | Riddell, Inc. | Football helmet |
USD844255S1 (en) | 2014-02-12 | 2019-03-26 | Riddell, Inc. | Football helmet |
US11375763B2 (en) | 2014-02-15 | 2022-07-05 | Rex Medical, L.P. | Helmet with impact tracking |
US11213088B2 (en) | 2014-02-15 | 2022-01-04 | Rex Medical, L.P. | Helmet with varying shock absorption |
US10327496B2 (en) | 2014-02-15 | 2019-06-25 | Rex Medical, L.P. | Helmet with varying shock absorption |
US10413009B2 (en) | 2014-02-15 | 2019-09-17 | Rex Medical, L.P. | Helmet with impact tracking |
EP2907403A1 (en) * | 2014-02-15 | 2015-08-19 | Rex Medical, L.P. | Helmet with varying shock absorption |
US11638457B2 (en) | 2014-10-28 | 2023-05-02 | Bell Sports, Inc. | Protective helmet |
US10721987B2 (en) | 2014-10-28 | 2020-07-28 | Bell Sports, Inc. | Protective helmet |
US20170027269A1 (en) * | 2015-07-27 | 2017-02-02 | Luke Wilson | Apparatus for use with hat |
US10238950B2 (en) * | 2016-02-12 | 2019-03-26 | Carl Kuntz | Impact absorption padding for contact sports helmets |
US20170232327A1 (en) * | 2016-02-12 | 2017-08-17 | Carl Kuntz | Impact absorption padding for contact sports helmets |
US11213736B2 (en) | 2016-07-20 | 2022-01-04 | Riddell, Inc. | System and methods for designing and manufacturing a bespoke protective sports helmet |
US11712615B2 (en) | 2016-07-20 | 2023-08-01 | Riddell, Inc. | System and method of assembling a protective sports helmet |
US11229255B2 (en) | 2016-11-08 | 2022-01-25 | JMH Consulting Group, LLC | Helmet |
US20180187741A1 (en) * | 2016-12-30 | 2018-07-05 | Klnp, Llc | Impact absorbing apparatus |
US10520056B2 (en) * | 2016-12-30 | 2019-12-31 | Klnp, Llc | Impact absorbing apparatus |
US11399589B2 (en) | 2018-08-16 | 2022-08-02 | Riddell, Inc. | System and method for designing and manufacturing a protective helmet tailored to a selected group of helmet wearers |
US11167198B2 (en) | 2018-11-21 | 2021-11-09 | Riddell, Inc. | Football helmet with components additively manufactured to manage impact forces |
USD927084S1 (en) | 2018-11-22 | 2021-08-03 | Riddell, Inc. | Pad member of an internal padding assembly of a protective sports helmet |
US20220248794A1 (en) * | 2019-02-25 | 2022-08-11 | Bumpair | Inflatable device for the protection of objects or persons |
US11341831B2 (en) | 2020-01-22 | 2022-05-24 | James Kelly | Device and system for ultrasonic transmission of accelerometer data |
USD1007768S1 (en) * | 2021-03-05 | 2023-12-12 | Park & Diamond Inc. | Helmet core |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3713640A (en) | Energy absorbing and sizing means for helmets | |
US3609764A (en) | Energy absorbing and sizing means for helmets | |
CA1059251A (en) | Protective helmet with liner means | |
EP0205514B1 (en) | Protective buffer padding element | |
CA1059252A (en) | Protective helmet with liners | |
US4124904A (en) | Protective head gear | |
US20140020158A1 (en) | Multilayer impact attenuating insert for headgear | |
US3462763A (en) | Impact absorbing protective headgear | |
CA1059253A (en) | Protective helmet | |
US4287613A (en) | Headgear with energy absorbing and sizing means | |
US3866243A (en) | Headgear with automatic sizing means | |
US7328462B1 (en) | Protective helmet | |
CA2098923C (en) | Protective helmet with self-contained air pump | |
US4023213A (en) | Shock-absorbing system for protective equipment | |
US6073271A (en) | Football helmet with inflatable liner | |
CA2363002C (en) | Suspension for protective headgear | |
US4991230A (en) | Shock absorbing body protective pads | |
US5259071A (en) | Safety helmet and liner | |
CA1129603A (en) | Chest protector | |
US3364499A (en) | Protective helmet | |
US20120151664A1 (en) | Liquid-gel impact reaction liner | |
GB2202729A (en) | Impact protection helmet | |
US2857597A (en) | Shielding device for fasteners | |
US3314078A (en) | Safety helmet chin strap | |
CA1059260A (en) | Protective helmet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CITICORP INDUSTRIAL CREDIT, INC., 200 SOUTH WACKER Free format text: SECURITY INTEREST;ASSIGNOR:RIDDELL, INC.;REEL/FRAME:004110/0984 Effective date: 19821012 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |
|
AS | Assignment |
Owner name: RIDDELL, INC. Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:CITICORP INDUSTRIAL CREDIT, INC;REEL/FRAME:004402/0703 Effective date: 19850313 |
|
AS | Assignment |
Owner name: EN&T ASSOCIATES, INC., C/O THE NEDERLANDER ORGANIZ Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:RIDDELL, INC., A IL CORP.;REEL/FRAME:004899/0145 Effective date: 19880418 Owner name: EN&T ASSOCIATES, INC., C/O THE NEDERLANDER ORGANIZ Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:RIDDELL, INC., A IL CORP.;REEL/FRAME:004899/0145 Effective date: 19880418 |
|
AS | Assignment |
Owner name: RIDDELL, INC. Free format text: CHANGE OF NAME;ASSIGNOR:EN&T ASSOCIATES, INC.;REEL/FRAME:004893/0712 Effective date: 19880430 Owner name: R HOLDINGS CORP. Free format text: CHANGE OF NAME;ASSIGNOR:RIDDELL, INC.,;REEL/FRAME:004904/0125 Effective date: 19880418 |
|
AS | Assignment |
Owner name: NATIONAL BANK OF DETROIT, 611 WOODWARD AVENUE, DET Free format text: SECURITY INTEREST;ASSIGNOR:EN&T ASSOCIATES INC.;REEL/FRAME:004925/0664 Effective date: 19880425 |