US3353193A - Self-adjusting beds - Google Patents

Self-adjusting beds Download PDF

Info

Publication number
US3353193A
US3353193A US537249A US53724966A US3353193A US 3353193 A US3353193 A US 3353193A US 537249 A US537249 A US 537249A US 53724966 A US53724966 A US 53724966A US 3353193 A US3353193 A US 3353193A
Authority
US
United States
Prior art keywords
bed
frame
bow
curved
movement
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
Application number
US537249A
Inventor
Greiner Otto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US537249A priority Critical patent/US3353193A/en
Application granted granted Critical
Publication of US3353193A publication Critical patent/US3353193A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/015Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position

Definitions

  • camp beds there are several types of camp beds, ordinary beds and hospital beds where, in accordance with the body proportions of man, the surface area is transversely divided into a .lower main part (seat) and an upper part (back) which are connected by a hinge, and where the back can be moved up or down by transmission of pressure from the seat to the back and vice versa without the user having to rise from the bed.
  • a device of this nature will be regarded as comfortable in use only if the back can be moved upwards and downwards with equal facility at all angles of inclination within its range of movement.
  • the present invention is an improvement on several constructions of a known type of adjustable camp bed or bed, where the back joined to the seat by a hinge is suspended in a rigid base by means of tenons attached on both sides at a certain distance from the hinge, and can be moved about a horizontal axle.
  • FIGURES 1 to 9 show a new construction which eliminates these shortcomings:
  • FIG. 1 is a side view of a bed with divided surface area and the novel device in the lying position, the side of the bed frame nearest to the observer not being shown.
  • FIG. 2 shows the same bed in the sitting position.
  • FIG. 3 shows, on a larger scale and in the lying position, the device which ensures the balance, where a flexible band prevents the co-acting surfaces from sliding against each other.
  • FIG. 4 shows the same device in the sitting position.
  • FIG. 5 shows, in the lying position, the device ensuring the balance in a somewhat modified form, where a metal bracket is used instead of the flexible band.
  • FIG. 6 shows the same device in the sitting position.
  • FIG. 7 shows the covering of the surface area required for the bottom of a bed with a movable back.
  • FIG. 8 shows a clamping device for a bow-shaped member movably attached to the back.
  • FIGURE 9 shows a modification of the clamping device for the bow-shaped member.
  • the back 2 (FIGS. 1 to 4) does not turn about a fixed fulcrum, but the lower surface of the back frame rests on a curbed support 4 or 4' connected to the bed frame 3, which is directed forward and downwards.
  • a flexible band 5 (FIGS. 3 and 4) is inserted between the bottom side of the back frame 2 and the curved block 4.
  • One end 6 of the band is attached to the upper end of the curved block 4, whereas its lower end 7 is firmly joined to the frame of the back 2.
  • One arm 9 (FIGS. 5 and 6) of a U-shaped metal bracket 8 of appropriate width is movably attached to the upper end of the curved block, while the other arm 10 is movably connected to the bottom surface of the back frame.
  • the effect of this construction is based on the fact that the fulcrum of the back, that is its point of contact 11-11 with the curved block, moves towards the hinge 12 when the back is tilted up, and away from the hinge when the back is moved downwards.
  • the back 2 acts as a two-armed lever during movement, the lower portion (lever arm) of which is shortened and the upper portion (lever arm) lengthened when the back is moved upwards, and vice versa when it is moved downwards.
  • the form of the curved block 4 or 4' i can be determined in empirical fashion in such a way as to ensure exact balance of the opposing pressures at all points within the range of movement. Once the form of the curved block 4 or 4' has been determined, any differences in the body proportions of users will cause only a very slight change in balance, which will not affect the facility of use. A very heavy person can move the back upwards or downwards with the same ease as a child of low body-weight.
  • the curved block 4' (FIGS. 5 and 6) can be modified in that the lower surface 13 of the back is placed in a lower position in relation to the hinge 12. In order to obtain balance in all positions, the bow-shaped support 4' must be lengthened. This is achieved by the fact that the foot end 14 of the seat 1 undergoes hardly any longitudinal movement when the back is tilted.
  • the surface area 1 and 2 which is normally provided with an elastic net-like covering on which the mattress is placed, must not have any longitudinal stress extending beyond the break, and it must be possible to lock the back 2 in any position by means of a brake which will meet modern requirements only if it locks the back at any angle, without the use of toothed notches, and can be easily operated.
  • the surface area of a normal bed usually has a net-like covering which is supported by vertical conical springs 15 (FIG. 7) mounted on stirrups and evenly distributed over the surface, thus maintaining its springiness and ensuring equal tension in both directions of the frame. If the back portion of the mattress were tilted, the longitudinal tension would interfere with smooth movement and the elastic net-like covering would be rounded rather than sharply bent at the break.
  • the present construction only provides for one or more transverse spring bands 16 at the rear end of the seat and at the lower end of the back which, unless the frame is subjected to undue stress, form a firm rim for the covering of both areas and will not be found uncomfortable by the user.
  • a bow-shaped member 18 (FIG. 1, FIG. 2, FIG. '8) of round or trapeze-like cross-section is attached tn pendulum fashion to the bottom side of the back frame, either laterally below the frame or on a transverse bow '17 in the middle.
  • a known device is used where the bow-shaped memher 18 slides through the bore 26 of a fiat bar 25 which is somewhat larger than the cross-section of the bow-shaped member.
  • s end 27 of the flat bar (tipping bar) 25 is movably connected with the bed frame 3 or a cross-bar 28 fixed to it, and the flat bar 25 the bore 26 of which, at the point of contact in the normal position, runs in the same direction as the bow-shaped member 18, is moved by means of a spring to such an extent that opposite edges 31 of the bore 26 firmly rest against the bow-shaped member 18. If the back is to be tilted in such a way that the bow-- shaped member 18 seeks to move the tipping bar 25 in the same direction in which it is already being moved by the spring, this will result in a strong clamping action of the edges 31 of the bore on the bow-shaped member 18 which will increase with increasing pressure in the said direction and will prevent any movement.
  • this device locks the back only in one direction. If the movement is in the opposite direction, the friction of the bow-shaped device 18 on the edges 31 of the bore has a releasing effect and the movement is not impeded in any way.
  • a stirrup 29 is movably connected to the tipping bar 25, being arranged square to it and parallel with the bow-shaped member, the ends of which 30 and 30 lightly grip the bow-shaped member 18. If it is attempted to move the back 2 and with it the bowshaped member 18, the stirrup 29, as a result of the clamping action of its ends 30 and 30', and with it the tipping bar 25 are moved in the respective direction of movement. The edges 31 of the bore 26 press against the bow-shaped member 18 which in turn seeks to move the tipping bar 25 even more thereby further increasing the pressure, with the result that all movement is prevented.
  • a fork 32 which can be turned about its axis 33 which is arranged square to the longitudinal direction of the bed, overlaps the tipping bar 25 from the side.
  • the fork 32 In its normal position the fork 32 allows the tippin bar 25 sufiicient room for movement. If, by means of transmission rods 36, it is turned by the user to such an extent that its prongs 34 rest against the tipping bar 25 on both sides and hold it in the median position, the bow-shaped member 18 can slide unimpeded through the bore 26 running in the same direction. The locking action is eliminated and the back 2 can be moved freely.
  • a bed wherein the surface area is transversely divided into a lower main part and a back section which are connected by hinges, and where the back can be moved up or down by transmission of pressure from'the seat to the back and vice versa without the" user having to rise from the bed, and whereby the back tilts on curved blocks which slant forwards and are situated at a certain distance from the hinges below the side bars of the back frame and are firmly joined to the side rails of the base frame andin order to prevent the back from sliding on the curved blocks-a U-shaped metal bracket of appropriate width is attached on each side, one arm of which is movably connected to the upper end of the curved block, square to the direction of movement, its other arm being movably attached to the bottom surface of the back frame, thus ensuring that the side bars of the back frame and the curved blocks always make contact at the same points, whereby at any inclination of the back there exists such a state of balance as to require the same amount of additional pressure by the user to move the back upwards and downwards.
  • V I t 2 A bed wherein the surface area is transversely divided into a lower main part and aback section which are connected by hinges, and where the back can be moved up or down by transmission of pressure from the seat to the back and vice" versa without the user having to rise from the bed, and whereby the back tilts on curved blocks which slant forwardsand are situated at a certain distance from the hinges below the side bars of the backframe and are firmly joined to the side rails of the base movably attached to the bottom surface of the back frame,
  • a bed of claim 2 wherein the locking of the backin intermediate positions is effected by a. knownbowshaped member attached in pendulum fashion in longitudinal direction to the bottom side of the back frame,

Description

NOV. 21, 1967 Q GRE|NER 3,353,193
SELF-ADJUSTING BEDS Filed Jan. 26, 1966 2 Sheets-Sheet 1 HIM! Inventor 0. GREINER SELF-ADJUSTING BEDS Nov. 21, 1967 2 Sheets-Sheet 2 Filed Jan. 26, 1966 United States Patent 3,353,193 SELF-ADJUSTING BEDS Otto Greiner, Brunuenstrasse 9, Neustadt, near Coburg, Germany Filed Jan. 26, 1966, Ser. No. 537,249 3 Claims. (Cl. -66) There are several types of camp beds, ordinary beds and hospital beds where, in accordance with the body proportions of man, the surface area is transversely divided into a .lower main part (seat) and an upper part (back) which are connected by a hinge, and where the back can be moved up or down by transmission of pressure from the seat to the back and vice versa without the user having to rise from the bed.
Such constructions have either not found practical application or have been used only to a very limited extent, because they lacked the following important requirement:
A device of this nature will be regarded as comfortable in use only if the back can be moved upwards and downwards with equal facility at all angles of inclination within its range of movement.
This requirement presents the following difiiculty: When the bed is in a lying position, the user will exert relatively little pressure onto the lower main part and a comparatively large amount of pressure onto the back, whereas in the sitting position the pressure onto the seat is relatively large and that against the back comparatively small. In this respect the present invention is an improvement on several constructions of a known type of adjustable camp bed or bed, where the back joined to the seat by a hinge is suspended in a rigid base by means of tenons attached on both sides at a certain distance from the hinge, and can be moved about a horizontal axle.
With the scale-like suspension of this construction, by choosing an appropriate distance of the suspension axle of the back from the pivot between seat and back, it is possible to obtain abalance, at a given median inclination of the back, between the users pressure on the seat and the pressure exerted by the upper part of the users body onto that portion of the back which is situated above the suspension axle.
However, with this transmission of pressure, in the sitting position the back will tend to press the upper part of the users body forward, whereas in the lying position the back falls downward, with the upper part of the users body losing all support.
FIGURES 1 to 9 show a new construction which eliminates these shortcomings:
FIG. 1 is a side view of a bed with divided surface area and the novel device in the lying position, the side of the bed frame nearest to the observer not being shown.
FIG. 2 shows the same bed in the sitting position.
FIG. 3 shows, on a larger scale and in the lying position, the device which ensures the balance, where a flexible band prevents the co-acting surfaces from sliding against each other.
FIG. 4 shows the same device in the sitting position.
FIG. 5 shows, in the lying position, the device ensuring the balance in a somewhat modified form, where a metal bracket is used instead of the flexible band.
FIG. 6 shows the same device in the sitting position.
3,353,193 Patented Nov. 21, 1967 FIG. 7 shows the covering of the surface area required for the bottom of a bed with a movable back.
FIG. 8 shows a clamping device for a bow-shaped member movably attached to the back.
FIGURE 9 shows a modification of the clamping device for the bow-shaped member.
In the new construction the back 2 (FIGS. 1 to 4) does not turn about a fixed fulcrum, but the lower surface of the back frame rests on a curbed support 4 or 4' connected to the bed frame 3, which is directed forward and downwards.
Devices are envisaged which will prevent the back 2 from sliding on the curved block and will only allow the back to tilt. Of a variety of possible devices for this purpose, the following are the simplest:
A flexible band 5 (FIGS. 3 and 4) is inserted between the bottom side of the back frame 2 and the curved block 4. One end 6 of the band is attached to the upper end of the curved block 4, whereas its lower end 7 is firmly joined to the frame of the back 2.
One arm 9 (FIGS. 5 and 6) of a U-shaped metal bracket 8 of appropriate width is movably attached to the upper end of the curved block, while the other arm 10 is movably connected to the bottom surface of the back frame.
The effect of this construction is based on the fact that the fulcrum of the back, that is its point of contact 11-11 with the curved block, moves towards the hinge 12 when the back is tilted up, and away from the hinge when the back is moved downwards. Thus the back 2 acts as a two-armed lever during movement, the lower portion (lever arm) of which is shortened and the upper portion (lever arm) lengthened when the back is moved upwards, and vice versa when it is moved downwards. Therefore, in the sitting position the users increased pressure onto the seat is exerted via the hinge 12 onto a shortened lever arm and the reduced pressure of the upper part of his body onto a lengthened lever arm, whereas in the lying position the users reduced pressure onto the seat is exerted via the hinge 12 onto a lengthened lever arm and the increased pressure of the upper part of his body onto a shortened lever arm.
In manufacture, the form of the curved block 4 or 4' i can be determined in empirical fashion in such a way as to ensure exact balance of the opposing pressures at all points within the range of movement. Once the form of the curved block 4 or 4' has been determined, any differences in the body proportions of users will cause only a very slight change in balance, which will not affect the facility of use. A very heavy person can move the back upwards or downwards with the same ease as a child of low body-weight.
The curved block 4' (FIGS. 5 and 6) can be modified in that the lower surface 13 of the back is placed in a lower position in relation to the hinge 12. In order to obtain balance in all positions, the bow-shaped support 4' must be lengthened. This is achieved by the fact that the foot end 14 of the seat 1 undergoes hardly any longitudinal movement when the back is tilted.
In order to maintain the degree of comfort achieved by means of this new construction, there are, however, two further essential requirements which must be met.
The surface area 1 and 2 which is normally provided with an elastic net-like covering on which the mattress is placed, must not have any longitudinal stress extending beyond the break, and it must be possible to lock the back 2 in any position by means of a brake which will meet modern requirements only if it locks the back at any angle, without the use of toothed notches, and can be easily operated.
Apart from hospital beds where the surface area is usually provided with strong trnasverse spring bands in a strong metal frame, the surface area of a normal bed usually has a net-like covering which is supported by vertical conical springs 15 (FIG. 7) mounted on stirrups and evenly distributed over the surface, thus maintaining its springiness and ensuring equal tension in both directions of the frame. If the back portion of the mattress were tilted, the longitudinal tension would interfere with smooth movement and the elastic net-like covering would be rounded rather than sharply bent at the break.
Since firm transverse rods cannot be used at the break on the same level with the surface of the net-like covering, the present construction only provides for one or more transverse spring bands 16 at the rear end of the seat and at the lower end of the back which, unless the frame is subjected to undue stress, form a firm rim for the covering of both areas and will not be found uncomfortable by the user.
In order to be able to lock the back at any desired angle of inclination, a bow-shaped member 18 (FIG. 1, FIG. 2, FIG. '8) of round or trapeze-like cross-section is attached tn pendulum fashion to the bottom side of the back frame, either laterally below the frame or on a transverse bow '17 in the middle. For the locking of the back a known device is used where the bow-shaped memher 18 slides through the bore 26 of a fiat bar 25 which is somewhat larger than the cross-section of the bow-shaped member. With the conventional type, the
s end 27 of the flat bar (tipping bar) 25 is movably connected with the bed frame 3 or a cross-bar 28 fixed to it, and the flat bar 25 the bore 26 of which, at the point of contact in the normal position, runs in the same direction as the bow-shaped member 18, is moved by means of a spring to such an extent that opposite edges 31 of the bore 26 firmly rest against the bow-shaped member 18. If the back is to be tilted in such a way that the bow-- shaped member 18 seeks to move the tipping bar 25 in the same direction in which it is already being moved by the spring, this will result in a strong clamping action of the edges 31 of the bore on the bow-shaped member 18 which will increase with increasing pressure in the said direction and will prevent any movement.
However, this device locks the back only in one direction. If the movement is in the opposite direction, the friction of the bow-shaped device 18 on the edges 31 of the bore has a releasing effect and the movement is not impeded in any way. In order to be able to lock the back in both directions, a stirrup 29 is movably connected to the tipping bar 25, being arranged square to it and parallel with the bow-shaped member, the ends of which 30 and 30 lightly grip the bow-shaped member 18. If it is attempted to move the back 2 and with it the bowshaped member 18, the stirrup 29, as a result of the clamping action of its ends 30 and 30', and with it the tipping bar 25 are moved in the respective direction of movement. The edges 31 of the bore 26 press against the bow-shaped member 18 which in turn seeks to move the tipping bar 25 even more thereby further increasing the pressure, with the result that all movement is prevented.
If the movement is reversed, the same conditions apply after the tipping bar has moved slightly in the other direction.
In order to release the brake and to resume moving the back, a fork 32 which can be turned about its axis 33 which is arranged square to the longitudinal direction of the bed, overlaps the tipping bar 25 from the side.
In its normal position the fork 32 allows the tippin bar 25 sufiicient room for movement. If, by means of transmission rods 36, it is turned by the user to such an extent that its prongs 34 rest against the tipping bar 25 on both sides and hold it in the median position, the bow-shaped member 18 can slide unimpeded through the bore 26 running in the same direction. The locking action is eliminated and the back 2 can be moved freely.
It is apparent that the above described examples have been given solely by way of illustration and not by way of limitation and that they are capable of many variations and modifications within the scope of the present invention. All such variations and modifications are to be included within the scope of the present invention.
I claim:
1. A bed wherein the surface area is transversely divided into a lower main part and a back section which are connected by hinges, and where the back can be moved up or down by transmission of pressure from'the seat to the back and vice versa without the" user having to rise from the bed, and whereby the back tilts on curved blocks which slant forwards and are situated at a certain distance from the hinges below the side bars of the back frame and are firmly joined to the side rails of the base frame andin order to prevent the back from sliding on the curved blocks-a U-shaped metal bracket of appropriate width is attached on each side, one arm of which is movably connected to the upper end of the curved block, square to the direction of movement, its other arm being movably attached to the bottom surface of the back frame, thus ensuring that the side bars of the back frame and the curved blocks always make contact at the same points, whereby at any inclination of the back there exists such a state of balance as to require the same amount of additional pressure by the user to move the back upwards and downwards. V I t 2. A bed wherein the surface area is transversely divided into a lower main part and aback section which are connected by hinges, and where the back can be moved up or down by transmission of pressure from the seat to the back and vice" versa without the user having to rise from the bed, and whereby the back tilts on curved blocks which slant forwardsand are situated at a certain distance from the hinges below the side bars of the backframe and are firmly joined to the side rails of the base movably attached to the bottom surface of the back frame,
thus ensuring that the side bars of the back frame and the curved blocks always make contact at the same points, whereby at any inclination of the back there exists such a state of balance as to require the same amount of additional pressure by the user to move the back upwards and downwards, and wherein the undesirable longitudinal stress which would be caused by the movement of the back of a bed having the usual metal-link surface covering and upright conical springs mounted on stirrups, is eliminated by attaching one or more spring bands at the rear end of the main part and at the lower end of the back, which form the rim of the covering of the main part and the back.
3. A bed of claim 2, wherein the locking of the backin intermediate positions is effected by a. knownbowshaped member attached in pendulum fashion in longitudinal direction to the bottom side of the back frame,
which is clamped in the bore of a tipping bar of some-' what larger diameter than the bow-shaped member, one end of said tipping bar being movably connected with an axle joined to a cross-bar of the bed frame, whereby the movement of the tipping bar in the direction of movement of the bow-shaped member is effected in such a way that the ends of a stirrup which is movably connectedto the tipping bar and situated square to the latter, lightly grip the bow-shaped member and thus move with it, and Where- =by the locking action is released in such a manner that a fork, the prongs of which overlap the tipping bar at an appropriate distance, is turned by the user about its axis by means of transmission rods, to such an extent that both prongs firmly rest against the tipping bar and hold it square to the bow-shaped member, so that the bore is in the same direction as the corresponding part of the bow-shaped member.
References Cited UNITED STATES PATENTS 2,724,428 11/=1955' Sellner 297354 X 3,003,160 10/1961' Goodman 5-69 3,253,285 5/1966 Fox 5-67 FOREIGN PATENTS 250,089 10/ 1960 Australia. 1,295,987 4/1961 France.
886,608 1/-1962J Great Britain.
CASMIR A. NUNBERG, Primary Examiner.

Claims (1)

1. A BED WHEREIN THE SURFACE AREA IS TRANSVERSELY DIVIDED INTO A LOWER MAIN PART AND A BACK SECTION WHICH ARE CONNECTED BY HINGES, AND WHERE THE BACK CAN BE MOVED UP OR DOWN BY TRANSMISSION OF PRESSURE FROM THE SEAT TO THE BACK AND VICE VERSA WITHOUT THE USER HAVING TO RISE FROM THE BED, AND WHEREBY THE BACK TILTS ON CURVED BLOCKS WHICH SLANT FORWARDS AND ARE SITUATED AT A CERTAIN DISTANCE FROM THE HINGES BELOW THE SIDE BARS OF THE BACK FRAME AND ARE FIRMLY JOINED TO THE SIDE RAILS OF THE BASE FRAME AND-IN ORDER TO PREVENT THE BACK FROM SLIDING ON THE CURVED BLOCKS-A U-SHAPED METAL BRACKET OF APPROPRIATE WIDTH IS ATTACHED ON EACH SIDE, ONE ARM OF WHICH IS MOVABLY CONNECTED TO THE UPPER END OF THE CURVED BLOCK, SQUARE TO THE DIRECTION OF MOVEMENT, ITS OTHER ARM BEING MOVABLY ATTACHED TO THE BOTTOM SURFACE OF THE BACK FRAME, THUS ENSURING THAT THE SIDE BARS OF THE BACK FRAME AND THE CURVED BLOCKS ALWAYS MAKE CONTACT AT THE SAME POINTS, WHEREBY AT ANY INCLINATION OF THE BACK THERE EXISTS SUCH A STATE OF BALANCE AS TO REQUIRE THE SAME AMOUNT OF ADDITIONAL PRESSURE BY THE USER TO MOVE THE BACK UPWARDS AND DOWNWARDS.
US537249A 1966-01-26 1966-01-26 Self-adjusting beds Expired - Lifetime US3353193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US537249A US3353193A (en) 1966-01-26 1966-01-26 Self-adjusting beds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US537249A US3353193A (en) 1966-01-26 1966-01-26 Self-adjusting beds

Publications (1)

Publication Number Publication Date
US3353193A true US3353193A (en) 1967-11-21

Family

ID=24141855

Family Applications (1)

Application Number Title Priority Date Filing Date
US537249A Expired - Lifetime US3353193A (en) 1966-01-26 1966-01-26 Self-adjusting beds

Country Status (1)

Country Link
US (1) US3353193A (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535716A (en) * 1967-12-04 1970-10-27 Otto Greiner Use of swing absorbers in beds with adjustable back
US3681792A (en) * 1969-03-19 1972-08-08 Hans Korber Adjustable beds
US3813150A (en) * 1972-08-22 1974-05-28 Moharcs Ind Inc Chair with backrest movable up and down and hardware therefor
US4100630A (en) * 1976-01-24 1978-07-18 Odo Klose Reclining furniture
US4183109A (en) * 1978-04-21 1980-01-15 Howell William H Sectional bed
US4251891A (en) * 1977-11-15 1981-02-24 Marpal Ag Under mattresses for bed furniture
US4277858A (en) * 1978-11-14 1981-07-14 Boehme Gunther Piece of furniture for sitting and lying
US4406027A (en) * 1978-08-30 1983-09-27 Etablissement Conceptex Articulated framework for bed, relaxation seat or armchair
US4821351A (en) * 1986-08-27 1989-04-18 Molnlycke Ab Bed and/or chair device
US5105486A (en) * 1990-06-18 1992-04-21 Joerns Healthcare Inc. Adjustable bed
US5163968A (en) * 1991-12-17 1992-11-17 Joerns Healthcare, Inc. Headboard mounting hardware
US5996151A (en) * 1997-01-10 1999-12-07 Stryker Corporation Balanced fowler design
US6336235B1 (en) 1994-01-25 2002-01-08 Hill-Rom Services, Inc. Chair bed
US6643873B2 (en) 2001-04-27 2003-11-11 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US6694549B2 (en) 2001-04-20 2004-02-24 Hill-Rom Services, Inc. Bed frame with reduced-shear pivot
US20060000021A1 (en) * 2002-05-17 2006-01-05 Stephen Hayes Profiling bed
US20060026765A1 (en) * 2004-07-30 2006-02-09 Hornbach David W Advanced articulation system and mattress support for a bed
US20060031990A1 (en) * 2004-08-11 2006-02-16 Palmatier Stanley T Patient support apparatus
US7017208B2 (en) 1995-08-04 2006-03-28 Hill-Rom Services, Inc. Hospital bed
US20070180621A1 (en) * 2006-01-19 2007-08-09 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US20110162144A1 (en) * 2010-01-07 2011-07-07 Lifestyle Solutions, Inc. Providing varying degrees of elevation to moveable head-rest and back-support sections of bed frame

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724428A (en) * 1954-05-20 1955-11-22 John W Sellner Combined seat and exerciser
US3003160A (en) * 1958-12-01 1961-10-10 Goodman Robert Foldable bed frame-bed to contour chair
GB886608A (en) * 1960-07-07 1962-01-10 Stokke Fabrikker As Arrangement relating to chairs
FR1295987A (en) * 1961-04-29 1962-06-15 Bed, especially relaxation, with articulated base
US3253285A (en) * 1965-01-04 1966-05-31 Seng Co Bed lounge mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724428A (en) * 1954-05-20 1955-11-22 John W Sellner Combined seat and exerciser
US3003160A (en) * 1958-12-01 1961-10-10 Goodman Robert Foldable bed frame-bed to contour chair
GB886608A (en) * 1960-07-07 1962-01-10 Stokke Fabrikker As Arrangement relating to chairs
FR1295987A (en) * 1961-04-29 1962-06-15 Bed, especially relaxation, with articulated base
US3253285A (en) * 1965-01-04 1966-05-31 Seng Co Bed lounge mechanism

Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535716A (en) * 1967-12-04 1970-10-27 Otto Greiner Use of swing absorbers in beds with adjustable back
US3681792A (en) * 1969-03-19 1972-08-08 Hans Korber Adjustable beds
US3813150A (en) * 1972-08-22 1974-05-28 Moharcs Ind Inc Chair with backrest movable up and down and hardware therefor
US4100630A (en) * 1976-01-24 1978-07-18 Odo Klose Reclining furniture
US4251891A (en) * 1977-11-15 1981-02-24 Marpal Ag Under mattresses for bed furniture
US4183109A (en) * 1978-04-21 1980-01-15 Howell William H Sectional bed
US4406027A (en) * 1978-08-30 1983-09-27 Etablissement Conceptex Articulated framework for bed, relaxation seat or armchair
US4277858A (en) * 1978-11-14 1981-07-14 Boehme Gunther Piece of furniture for sitting and lying
US4821351A (en) * 1986-08-27 1989-04-18 Molnlycke Ab Bed and/or chair device
US5105486A (en) * 1990-06-18 1992-04-21 Joerns Healthcare Inc. Adjustable bed
US5160010A (en) * 1990-06-18 1992-11-03 Joerns Healthcare Inc. Adjustable bed with side rail
US5163968A (en) * 1991-12-17 1992-11-17 Joerns Healthcare, Inc. Headboard mounting hardware
US6336235B1 (en) 1994-01-25 2002-01-08 Hill-Rom Services, Inc. Chair bed
US20100306921A1 (en) * 1995-08-04 2010-12-09 Kramer Kenneth L Hospital bed
US7480951B2 (en) 1995-08-04 2009-01-27 Hill-Rom Services, Inc. Patient care bed with network
US8065764B2 (en) 1995-08-04 2011-11-29 Hill-Rom Services, Inc. Hospital bed
US7213279B2 (en) 1995-08-04 2007-05-08 Weismiller Matthew W Hospital bed and mattress having extendable foot section
US7784128B2 (en) 1995-08-04 2010-08-31 Hill-Rom Services, Inc. Hospital bed
US7568246B2 (en) 1995-08-04 2009-08-04 Hill-Rom Services, Inc. Bed with a networked alarm
US20090151073A1 (en) * 1995-08-04 2009-06-18 Kramer Kenneth L Hospital bed
US8413274B2 (en) 1995-08-04 2013-04-09 Hill-Rom Services, Inc. Hospital bed
US20080052831A1 (en) * 1995-08-04 2008-03-06 Weismiller Matthew W Bed with a networked alarm
US20070180618A1 (en) * 1995-08-04 2007-08-09 Weismiller Matthew W Patient care bed with network
US7017208B2 (en) 1995-08-04 2006-03-28 Hill-Rom Services, Inc. Hospital bed
US20060150332A1 (en) * 1995-08-04 2006-07-13 Weismiller Matthew W Patient care bed with network
US7237287B2 (en) 1995-08-04 2007-07-03 Hill-Rom Services, Inc. Patient care bed with network
US20060168729A1 (en) * 1995-08-04 2006-08-03 Weismiller Matthew W Hospital bed and mattress having extendable foot section
US5996151A (en) * 1997-01-10 1999-12-07 Stryker Corporation Balanced fowler design
US6694549B2 (en) 2001-04-20 2004-02-24 Hill-Rom Services, Inc. Bed frame with reduced-shear pivot
US20040158923A1 (en) * 2001-04-20 2004-08-19 Hill-Rom Services, Inc. Patient support having a siderail
US6643873B2 (en) 2001-04-27 2003-11-11 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US20040055088A1 (en) * 2001-04-27 2004-03-25 Heimbrock Richard H. Patient support apparatus having auto contour
US6839926B2 (en) 2001-04-27 2005-01-11 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US7441291B2 (en) * 2002-05-17 2008-10-28 Huntleigh Technology Limited Profiling bed
US20060000021A1 (en) * 2002-05-17 2006-01-05 Stephen Hayes Profiling bed
US20080127421A1 (en) * 2004-07-30 2008-06-05 Hornbach David W Advanced articulation system and mattress support for a bed
US20060026765A1 (en) * 2004-07-30 2006-02-09 Hornbach David W Advanced articulation system and mattress support for a bed
US7325265B2 (en) * 2004-07-30 2008-02-05 Hill-Rom Services, Inc. Advanced articulation system and mattress support for a bed
US8806682B2 (en) 2004-07-30 2014-08-19 Hill-Rom Services, Inc. Advanced articulation system and mattress support for a bed
US20060031991A1 (en) * 2004-08-11 2006-02-16 Mcdaniel Richard L Patient support apparatus
US7395564B2 (en) 2004-08-11 2008-07-08 Stryker Corporation Articulated support surface for a stretcher or gurney
US7124456B2 (en) 2004-08-11 2006-10-24 Stryker Corporation Articulated support surface for a stretcher or gurney
US20060031990A1 (en) * 2004-08-11 2006-02-16 Palmatier Stanley T Patient support apparatus
US20060162077A1 (en) * 2004-08-11 2006-07-27 Stryker Corporation Gas bottle support for a gurney or stretcher frame
US7412735B2 (en) 2004-08-11 2008-08-19 Stryker Corporation Patient support apparatus
US20110231997A1 (en) * 2006-01-19 2011-09-29 Turner Jonathan D Auto contour handle apparatus
US8069513B2 (en) 2006-01-19 2011-12-06 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US8387184B2 (en) 2006-01-19 2013-03-05 Hill-Rom Services, Inc. Auto contour handle apparatus
US20070180621A1 (en) * 2006-01-19 2007-08-09 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US8910329B2 (en) 2006-01-19 2014-12-16 Hill-Rom Services, Inc. Patient support having auto contour
US8261382B2 (en) * 2010-01-07 2012-09-11 Lifestyle Solutions, Inc. Providing varying degrees of elevation to moveable head-rest and back-support sections of bed frame
US20110162144A1 (en) * 2010-01-07 2011-07-07 Lifestyle Solutions, Inc. Providing varying degrees of elevation to moveable head-rest and back-support sections of bed frame

Similar Documents

Publication Publication Date Title
US3353193A (en) Self-adjusting beds
US4981326A (en) Ergonomic chair
JP4141050B2 (en) Chairs, especially office chairs
EP0339089B1 (en) Reclining chair
US4039223A (en) Chair having a tiltable back-rest and two pivotal leg supports
US4703974A (en) Seat furniture
US5052753A (en) Adjustable sitting device
US6109694A (en) Chair with four-bar linkage for self-adjusting back tension
US4565385A (en) Tiltable supporting wheelchair
US2558171A (en) Reclining chair
US7334840B2 (en) Glider chair with self-locking mechanism
US2482306A (en) Tilting chair
JP2000501969A (en) Adjuster for chair
US3319270A (en) Beds
US4078841A (en) TV chair with double pillow case and two-step ottoman
US4787673A (en) Chair support with adjustment device
JPH067803B2 (en) Chair
US3332718A (en) Swinging chair
US5197781A (en) Reclining apparatus
JP2980185B2 (en) Chair tilting method and chair with tiltable seat
US20190029436A1 (en) Chair With A Footrest Device
US4083068A (en) Adjustable article of furniture
US3184765A (en) Beds
US2027125A (en) Reclining chair
US2091899A (en) Adjustable seat