US3855733A - Sensitive edge for a door - Google Patents

Sensitive edge for a door Download PDF

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Publication number
US3855733A
US3855733A US00374040A US37404073A US3855733A US 3855733 A US3855733 A US 3855733A US 00374040 A US00374040 A US 00374040A US 37404073 A US37404073 A US 37404073A US 3855733 A US3855733 A US 3855733A
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Prior art keywords
channel
pressure sensitive
door
projections
assembly
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Expired - Lifetime
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US00374040A
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N Miller
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MILLER NORMAN K
MILLER BROS
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MILLER BROS
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Priority to US00374040A priority Critical patent/US3855733A/en
Priority to CA191,976A priority patent/CA992123A/en
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Publication of US3855733A publication Critical patent/US3855733A/en
Assigned to MILLER, NORMAN K., reassignment MILLER, NORMAN K., ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MILLER BROTHERS
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/44—Detection using safety edges responsive to changes in electrical conductivity

Definitions

  • FIG. 1 is a front perspective view showing a doorway including a door provided with an edge structure in accordance with the teachings of the present invention.
  • FIG. 2 is a partial sectional view taken generally along the line 2-2 of FIG. 1.
  • FIG. 3 is a partial longitudinal sectional view taken generally along the line 3-3 of FIG. 2.
  • FIG. 4 is a partial perspective view showing a door edge of the present invention apart from a door, and broken away for clarity of understanding.
  • a building is there generally designated 10, having a door opening 11 and provided with a door 12, which in the illustrated embodiment is an overhead door, but may be any suitable door construction, as desired.
  • the edge structure 15 is best shown in FIGS. 2-4, and includes a retainer 16, which may be a generally U-shaped channel having a back wall or web 17 secured to the lower edge 18 of the door proper 19.
  • the retainer or channel 16 may advantageously be fabricated of relatively stiff material, such as aluminum, or other, as by extrusion, or otherwise, and may include a pair of laterally spaced, parallel depending side walls or flanges 20, extending from opposite longitudinal sides or edges of the back wall or web 17.
  • the side walls or flanges 20 may each be provided along its free,
  • theprojections 21 project inwardly toward each other, the space therebetween defining a longitudinally extending slot or opening communicating between the interior and exterior of the retainer or channel 16.
  • a resiliently compressible, pressure sensitive assembly is generally designated 25 andextends longitudinally along the retainer channel 16, being removably engaged therein and projecting therefrom. More specifically, the assembly 25 includes an elongate resiliently compressible member .or foam pad 26, which defines a base portion, being of generally rectangular cross sectional configuration sized for snug conforming engagement interiorly of the retainer channel. Further, the resilient pad or base portion 26 substantially completely occupies the interior of the channel 16, and is formed along opposite side edges with a pair of longitudinally extending recesses or grooves 27 located to respectively receive inturned projections or lips 21. In addition to substantially completely occupying the space within retainer channel 16, the base portion 15 projects outwardly from the channel, as by exterior portion 28, outward of the grooves 27.
  • the assembly 25 Carried by the base portion 26, outwardly thereof and exteriorly of the retainer channel 16, the assembly 25 includes an outer active portion 30.
  • the active portion 30 may be constituted of a pair of inner and outer, longitudinally extending, generally parallel spaced conductive strips or contacts 31 and 32, the former being inward and the latter outward.
  • the inner contact strip 31 may extend along and in facing engagement with the outer surface 33 of base portion 26, say
  • outer strip 32 may extend in facing, parallel, outwardly spaced relation with respect to the inner strip 31, being maintained in the spaced relation by a plurality of separate, spaced apart members or spacers 34.
  • the spaced apart spacers 34 maintain the contact strips 31 and 32 in their normally spaced apart relation, while permitting of flexure into contacting engagement at one or more locations between spacers 34.
  • An outer cushioning layer 35 say of resiliently compressible foam, or the like, may be located exteriorly of and in facing engagement with the outer side of outer strip 32.
  • a flexible casing or covering 36 may encompass the assembly 25, being fabricated of suitable sheet material, such as vinyl, or the like, and may be suitably adherent to the resiliently compressible components 26, 3.4 and 35 so as to maintain the assembly 25 in its unitary, assembled relation while permitting of desirable flexure and resilient compressibility.
  • Suitable electrical conductors 37 and 38 may be connected, respectively, to contact strips 31 and 32, for extension to appropriate circuitry for effecting the desired door operating characteristics responsive to the application of pressure against the assembly 25 sufficient to compress the assembly and effect contact between strips 31 and 32. That is, the active portion 30 exteriorly of the retainer 16 is responsive to pressure causing engagement of the normally spaced contact strips 31 and 32, such as in the operation of my prior US. Pat. No. 3,133,167.
  • the covering or casing 36 is sufficiently flexible to enter into the grooves or recesses 27 of the base portion 26, thereby enabling the projections 21 to enter into the grooves or recesses and releasably retain the assembly in position with respect to the retaining channel 16.
  • the assembly 25 may be removed from the retainer channel 16 when desired, as by deliberate compression and withdrawal to effect release of the projections or ribs 21 from the recesses 27', and, the assembly or a replacement assembly may be reinserted by mere snap engagement of the base portion 20 into the channel.
  • the present invention provides a pressure sensitive edge structure which is extremely simple in construction, durable and reliable throughout along useful life, capable of quick and easy removal and replacement, as for effecting necessary maintenance and repairs.
  • An electrically pressure sensitive edge structure adapted for a door, said structure comprising a channel extending along a door facing outwardly therefrom, internal projections in said channel, and an entirely resiliently compressible pressure sensitive assembly of foam material snugly engaged longitudinally in said channel, said assembly including a base portionsubstantially completely occupying said channel, said base portion being sufficiently laterally compressible for edgewise engagement into and withdrawal from said channel past said internal projections, and an active portion extending outwardly from said channel, said assembly being formed with recesses releasably receiving said projections.
  • a pressure sensitive edge structure comprising longitudinally extending ribs, said base portion comprising an elongate body of resiliently compressible foam material substantially completely occupying said channel compressible to pass transversely across and between said ribs, said recesses being defined by longitudinally extending grooves in opposite sides of said body, and said active portion comprising a pair of longitudinally extending flexible contact strips in facing spaced relation and depressible into contacting engagement.
  • a pressure sensitive edge structure according to claim 2 in combination with a cover of sheet material flexible to permit engagement of said projections in said grooves and depression of said strips into said contacting engagement.

Abstract

A sensitive door edge comprising a channel for mounting on a door facing outwardly therefrom, and a pressure sensitive assembly removably inserted into the channel and projecting outwardly therefrom.

Description

United States Patent [191 [111 3,855,733
Miller Dec. 24, 1974 [54] SENSITIVE EDGE FOR A DOOR 2,329,791 9/1943 Sevison 49/488 [751 Inventor Norman Miller, Concordvflle, 51323132; 311323 3211;111:1311...........::1133311f?2i3 [73] Assignee: Miller Brothers, Concordville, Pa.
[22] Filed: June 1973 I Primary ExaminerPhilip C. Kannan [21] Appl. No.: 374,040
[52] US. Cl 49/488, 49/27, 4495148992, p v ABSTRACT [51] Int. Cl E06b 7/23 I [58] Field of Search 49/448, 489, 482, 492, A Sensitive door edge comprising a channel for 49/27, 28 mounting on-a door facing outwardly therefrom, and a 1 pressure sensitive assembly removably inserted into [56] References Cited the channel and projecting outwardly therefrom.
UNITED STATES PATENTS I 1 1,998,791 4/1935 Schanz 49/492 X 3 Claims, 4 Drawing Figures SENSITIVE EDGE FOR A DOOR BACKGROUND OF THE INVENTION In the past, it has been essential to provide especially constructed doors adapted to include pressure sensitive edge structures, as for safety against accidental closing,
and the like. Thus, the subsequent provision of existing doors with pressure sensitive edges was difficultand expensive, if possible, and the removal, repair and replacement of sensitive edge structures incorporated in prior art doors often involve considerable time, expense and reconstruction.
SUMMARY OF THE INVENTION removal, replacement and repair, as desired, to effectconsiderable savings in both initial and continuing costs.
It is still a further object of the present invention to provide a pressure sensitive edge structure for doors of the type disclosed which is extremely simple in construction, durable and reliable throughout a long useful life, capable of economic manufacture, installation and maintenance, and which otherwise fully accomplishes its intended objects.
Other objects of the present invention will become apparent upon reading the following specification and referring to the accompanying drawings, which form a material part of this disclosure.
The invention accordingly consists in the features of construction, combinations of elements, and arrangements of parts, which will be exemplified in the construction hereinafter described, and of which the scope will be indicated by the appended claims.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front perspective view showing a doorway including a door provided with an edge structure in accordance with the teachings of the present invention.
FIG. 2 is a partial sectional view taken generally along the line 2-2 of FIG. 1.
FIG. 3 is a partial longitudinal sectional view taken generally along the line 3-3 of FIG. 2.
FIG. 4 is a partial perspective view showing a door edge of the present invention apart from a door, and broken away for clarity of understanding.
DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now more particularly to the drawings, and specifically to FIG. 1 thereof, a building is there generally designated 10, having a door opening 11 and provided with a door 12, which in the illustrated embodiment is an overhead door, but may be any suitable door construction, as desired.
' Along the lower edge of door 12 is provided a pressure sensitive or safety edge structure generally designated 15. The edge structure 15 is best shown in FIGS. 2-4, and includes a retainer 16, which may be a generally U-shaped channel having a back wall or web 17 secured to the lower edge 18 of the door proper 19. The retainer or channel 16 may advantageously be fabricated of relatively stiff material, such as aluminum, or other, as by extrusion, or otherwise, and may include a pair of laterally spaced, parallel depending side walls or flanges 20, extending from opposite longitudinal sides or edges of the back wall or web 17. The side walls or flanges 20 may each be provided along its free,
/ outer edge with a longitudinally extending inturned lip,
rib or internal projection, as at 21. Thus, theprojections 21 project inwardly toward each other, the space therebetween defining a longitudinally extending slot or opening communicating between the interior and exterior of the retainer or channel 16.
A resiliently compressible, pressure sensitive assembly is generally designated 25 andextends longitudinally along the retainer channel 16, being removably engaged therein and projecting therefrom. More specifically, the assembly 25 includes an elongate resiliently compressible member .or foam pad 26, which defines a base portion, being of generally rectangular cross sectional configuration sized for snug conforming engagement interiorly of the retainer channel. Further, the resilient pad or base portion 26 substantially completely occupies the interior of the channel 16, and is formed along opposite side edges with a pair of longitudinally extending recesses or grooves 27 located to respectively receive inturned projections or lips 21. In addition to substantially completely occupying the space within retainer channel 16, the base portion 15 projects outwardly from the channel, as by exterior portion 28, outward of the grooves 27.
Carried by the base portion 26, outwardly thereof and exteriorly of the retainer channel 16, the assembly 25 includes an outer active portion 30. The active portion 30 may be constituted of a pair of inner and outer, longitudinally extending, generally parallel spaced conductive strips or contacts 31 and 32, the former being inward and the latter outward. For example, the inner contact strip 31 may extend along and in facing engagement with the outer surface 33 of base portion 26, say
being laterally coextensive therewith; and, the outer strip 32 may extend in facing, parallel, outwardly spaced relation with respect to the inner strip 31, being maintained in the spaced relation by a plurality of separate, spaced apart members or spacers 34. The spaced apart spacers 34 maintain the contact strips 31 and 32 in their normally spaced apart relation, while permitting of flexure into contacting engagement at one or more locations between spacers 34. An outer cushioning layer 35, say of resiliently compressible foam, or the like, may be located exteriorly of and in facing engagement with the outer side of outer strip 32. Additionally, a flexible casing or covering 36 may encompass the assembly 25, being fabricated of suitable sheet material, such as vinyl, or the like, and may be suitably adherent to the resiliently compressible components 26, 3.4 and 35 so as to maintain the assembly 25 in its unitary, assembled relation while permitting of desirable flexure and resilient compressibility.
Suitable electrical conductors 37 and 38 may be connected, respectively, to contact strips 31 and 32, for extension to appropriate circuitry for effecting the desired door operating characteristics responsive to the application of pressure against the assembly 25 sufficient to compress the assembly and effect contact between strips 31 and 32. That is, the active portion 30 exteriorly of the retainer 16 is responsive to pressure causing engagement of the normally spaced contact strips 31 and 32, such as in the operation of my prior US. Pat. No. 3,133,167.
Also, as best shown in FIGS. 2 and 4, the covering or casing 36 is sufficiently flexible to enter into the grooves or recesses 27 of the base portion 26, thereby enabling the projections 21 to enter into the grooves or recesses and releasably retain the assembly in position with respect to the retaining channel 16. Of course, the assembly 25 may be removed from the retainer channel 16 when desired, as by deliberate compression and withdrawal to effect release of the projections or ribs 21 from the recesses 27', and, the assembly or a replacement assembly may be reinserted by mere snap engagement of the base portion 20 into the channel.
From the foregoing it is seen that the present invention provides a pressure sensitive edge structure which is extremely simple in construction, durable and reliable throughout along useful life, capable of quick and easy removal and replacement, as for effecting necessary maintenance and repairs.
Although the present invention has been described in some detail by way of illustration and example for purposes of clarity of understanding, it is understood that certain changes a and modifications may be made within the spirit of the invention.
What is claimed is:
1. An electrically pressure sensitive edge structure adapted for a door, said structure comprising a channel extending along a door facing outwardly therefrom, internal projections in said channel, and an entirely resiliently compressible pressure sensitive assembly of foam material snugly engaged longitudinally in said channel, said assembly including a base portionsubstantially completely occupying said channel, said base portion being sufficiently laterally compressible for edgewise engagement into and withdrawal from said channel past said internal projections, and an active portion extending outwardly from said channel, said assembly being formed with recesses releasably receiving said projections.
2. A pressure sensitive edge structure according to claim 1, said internal projections comprising longitudinally extending ribs, said base portion comprising an elongate body of resiliently compressible foam material substantially completely occupying said channel compressible to pass transversely across and between said ribs, said recesses being defined by longitudinally extending grooves in opposite sides of said body, and said active portion comprising a pair of longitudinally extending flexible contact strips in facing spaced relation and depressible into contacting engagement.
3. A pressure sensitive edge structure according to claim 2, in combination with a cover of sheet material flexible to permit engagement of said projections in said grooves and depression of said strips into said contacting engagement.

Claims (3)

1. An electrically pressure sensitive edge structure adapted for a door, said structure comprising a channel extending along a door facing outwardly therefrom, internal projections in said channel, and an entirely resiliently compressible pressure sensitive assembly of foam material snugly engaged longitudinally in said channel, said assembly including a base portion substantially completely occupying said channel, said base portion being sufficiently laterally compressible for edgewise engagement into and withdrawal from said channel past said internal projections, and an active portion extending outwardly from said channel, said assembly being formed with recesses releasably receiving said projections.
2. A pressure sensitive edge structure according to claim 1, said internal projections comprising longitudinally extending ribs, said base portion comprising an elongate body of resiliently compressible foam material substantially completely occupying said channel compressible to pass transversely across and between said ribs, said recesses being defined by longitudinally extending grooves in opposite sides of said body, and said active portion comprising a pair of longitudinally extending flexible contact strips in facing spaced relation and depressible into contacting engagement.
3. A pressure sensitive edge structure according to claim 2, in combination with a cover of sheet material flexible to permit engagement of said projections in said grooves and depression of said strips into said contacting engagement.
US00374040A 1973-06-27 1973-06-27 Sensitive edge for a door Expired - Lifetime US3855733A (en)

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US00374040A US3855733A (en) 1973-06-27 1973-06-27 Sensitive edge for a door
CA191,976A CA992123A (en) 1973-06-27 1974-02-07 Pressure sensitive edge for a door switch

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Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2366432A1 (en) * 1976-10-02 1978-04-28 Sick Optik Elektronik Erwin SAFETY DEVICE FOR EQUIPMENT ON BOARD CRUSHING OR CLOSING, FOR EXAMPLE DOORS AND PRESSES
US4396814A (en) * 1980-10-20 1983-08-02 Bearge Miller Threshold adjustable safety edge construction for a motor operated door
FR2595441A1 (en) * 1986-03-05 1987-09-11 Univ Metz Safety device with a contact detector
US5027552A (en) * 1990-08-16 1991-07-02 Miller Edge, Inc. Redundant sensing edge for a door for detecting an object in proximity to the door edge
US5148911A (en) * 1991-10-31 1992-09-22 Miller Edge, Inc. Sensing edge switch
US5189836A (en) * 1990-11-07 1993-03-02 Alder Matt L Automated inspection pit cover system
US5259143A (en) * 1992-04-17 1993-11-09 Wayne-Dalton Corp. Astragal for closure members
US5262603A (en) * 1992-05-12 1993-11-16 Miller Edge, Inc. Sensing edge
US5299387A (en) * 1992-02-14 1994-04-05 Miller Edge, Inc. Sensing edge for a gate
US5299386A (en) * 1991-11-27 1994-04-05 Rite-Hite Corporation Safety gate assembly
US5345671A (en) * 1992-05-12 1994-09-13 Miller Edge, Inc. Process of making a sensing edge with a failsafe sensor
US5384982A (en) * 1993-04-29 1995-01-31 Miller Edge, Inc. Sensing device having universal interface for cooperation with plurality of door actuators
US5418342A (en) * 1993-09-17 1995-05-23 Miller Edge, Inc. Door edge sensing switch
US5445209A (en) * 1993-06-04 1995-08-29 Lichy; Dale M. Guide system for vertically moveable flexible door
US5482104A (en) * 1993-06-04 1996-01-09 Lichy; Dale M. Guide system for vertically moveable flexible door
US5592060A (en) * 1995-07-10 1997-01-07 Webasto Sunroofs Inc. System for sensing an obstruction between a movable panel and a stationary panel frame
US5605429A (en) * 1993-06-30 1997-02-25 Eastman Kodak Company Door safety system for storage phosphor cassette autoloader
US5856644A (en) * 1995-04-27 1999-01-05 Burgess; Lester E. Drape sensor
US5962825A (en) * 1998-06-15 1999-10-05 Miller Edge, Inc. Universal sensing edge
US6114645A (en) * 1995-04-27 2000-09-05 Burgess; Lester E. Pressure activated switching device
WO2002025047A1 (en) 2000-09-19 2002-03-28 Burgess Lester E Pressure activated switching device
US6374545B1 (en) 2000-05-03 2002-04-23 The Stanley Works Snap-on door sweep
US6396010B1 (en) 2000-10-17 2002-05-28 Matamatic, Inc. Safety edge switch for a movable door
US6463698B1 (en) * 1999-03-23 2002-10-15 Metzeler Automotive Profiles Gmbh Jam protection for a power-operated closing device
US6571512B1 (en) 2002-04-24 2003-06-03 Miller Edge, Inc. Universal sensing edge with non-melt end closure
US6600113B1 (en) 2002-08-29 2003-07-29 Miller Edge, Inc. Door edge sensing switch with movable wire sheath and adjustable ends
US20040187406A1 (en) * 2003-03-25 2004-09-30 Abstract Overhead Door Co., Inc. Safety sensor for power operated overhead door
US7034682B2 (en) 2003-06-20 2006-04-25 Rite-Hite Holding Corporation Door with a safety antenna
US20060137261A1 (en) * 2004-12-14 2006-06-29 Rite-Hite Holding Corporation Alarm system for a loading dock
US20060192682A1 (en) * 2005-02-16 2006-08-31 Miller Edge, Inc. Bi-directional sensing edge for gate
US20060273295A1 (en) * 2005-06-01 2006-12-07 Paul Maly Extruded protective railing system
US7178810B1 (en) 2004-11-02 2007-02-20 The Presray Corporation Mounting arrangement for inflatable seals
WO2008012562A1 (en) * 2006-07-28 2008-01-31 Cronapress Limited Switch
US20110041409A1 (en) * 2009-08-21 2011-02-24 Nartron Corporation Vehicle Assemblies Having Fascia Panels with Capacitance Sensors Operative for Detecting Proximal Objects
US20110057773A1 (en) * 2009-08-21 2011-03-10 Uusi, LLC d/b/a Nartron Keyless Entry Assembly Having Capacitance Sensor Operative for Detecting Objects
GB2477486A (en) * 2009-09-24 2011-08-03 Cronapress Ltd An elongate switch for use in an alarm system
US20110313619A1 (en) * 2009-08-21 2011-12-22 Uusi, Llc Vehicle Keyless Entry Assembly Having Capacitance Sensor Operative for Detecting Objects
US8547234B2 (en) 2004-12-14 2013-10-01 Rite-Hite Holding Corporation Alarm system for a loading dock
US8590087B2 (en) 2004-12-14 2013-11-26 Rite-Hite Holding Corporation Lighting and signaling systems for loading docks
US8832996B2 (en) 2010-10-05 2014-09-16 Miller Edge, Inc. Sensing edge
US8901940B2 (en) 2010-10-05 2014-12-02 Miller Edge, Inc. Resistor storage cavity in plug of sensing edge
US9048034B2 (en) 2012-05-04 2015-06-02 Industrial Control Systems Limited Extended contact strip
US9051769B2 (en) 2009-08-21 2015-06-09 Uusi, Llc Vehicle assembly having a capacitive sensor
US9575481B2 (en) 2009-08-21 2017-02-21 Uusi, Llc Fascia panel assembly having capacitance sensor operative for detecting objects
US10017977B2 (en) 2009-08-21 2018-07-10 Uusi, Llc Keyless entry assembly having capacitance sensor operative for detecting objects
US10151131B2 (en) 2016-01-13 2018-12-11 Miller Edge, Inc. Combination contact and non-contact sensing edge
US10246927B2 (en) 2010-10-05 2019-04-02 Miller Edge, Inc. Sensing edge
US10954709B2 (en) 2009-08-21 2021-03-23 Uusi, Llc Vehicle assembly having a capacitive sensor
US11634937B2 (en) 2009-08-21 2023-04-25 Uusi, Llc Vehicle assembly having a capacitive sensor

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US1998791A (en) * 1934-06-27 1935-04-23 Goodrich Co B F Sealing strip
US2329791A (en) * 1941-07-24 1943-09-21 Adlake Co Bottom rail sealing strip
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US1998791A (en) * 1934-06-27 1935-04-23 Goodrich Co B F Sealing strip
US2329791A (en) * 1941-07-24 1943-09-21 Adlake Co Bottom rail sealing strip
US2949651A (en) * 1958-01-20 1960-08-23 Victor Jay Hill Weather stripping
US3462885A (en) * 1967-10-17 1969-08-26 Miller Bros Safety edge for a door

Cited By (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2366432A1 (en) * 1976-10-02 1978-04-28 Sick Optik Elektronik Erwin SAFETY DEVICE FOR EQUIPMENT ON BOARD CRUSHING OR CLOSING, FOR EXAMPLE DOORS AND PRESSES
US4396814A (en) * 1980-10-20 1983-08-02 Bearge Miller Threshold adjustable safety edge construction for a motor operated door
FR2595441A1 (en) * 1986-03-05 1987-09-11 Univ Metz Safety device with a contact detector
US5027552A (en) * 1990-08-16 1991-07-02 Miller Edge, Inc. Redundant sensing edge for a door for detecting an object in proximity to the door edge
US5189836A (en) * 1990-11-07 1993-03-02 Alder Matt L Automated inspection pit cover system
US5148911A (en) * 1991-10-31 1992-09-22 Miller Edge, Inc. Sensing edge switch
US5299386A (en) * 1991-11-27 1994-04-05 Rite-Hite Corporation Safety gate assembly
US5299387A (en) * 1992-02-14 1994-04-05 Miller Edge, Inc. Sensing edge for a gate
US5481076A (en) * 1992-04-17 1996-01-02 Wayne-Dalton Corp. Astragal for closure members
US5259143A (en) * 1992-04-17 1993-11-09 Wayne-Dalton Corp. Astragal for closure members
US5262603A (en) * 1992-05-12 1993-11-16 Miller Edge, Inc. Sensing edge
US5345671A (en) * 1992-05-12 1994-09-13 Miller Edge, Inc. Process of making a sensing edge with a failsafe sensor
WO1994006138A1 (en) * 1992-09-08 1994-03-17 Miller Edge, Inc. Sensing edge
US5384982A (en) * 1993-04-29 1995-01-31 Miller Edge, Inc. Sensing device having universal interface for cooperation with plurality of door actuators
US5482104A (en) * 1993-06-04 1996-01-09 Lichy; Dale M. Guide system for vertically moveable flexible door
US5445209A (en) * 1993-06-04 1995-08-29 Lichy; Dale M. Guide system for vertically moveable flexible door
US5605429A (en) * 1993-06-30 1997-02-25 Eastman Kodak Company Door safety system for storage phosphor cassette autoloader
US5418342A (en) * 1993-09-17 1995-05-23 Miller Edge, Inc. Door edge sensing switch
US6114645A (en) * 1995-04-27 2000-09-05 Burgess; Lester E. Pressure activated switching device
US5856644A (en) * 1995-04-27 1999-01-05 Burgess; Lester E. Drape sensor
WO1997002962A2 (en) * 1995-07-10 1997-01-30 Webasto Sunroofs Inc. System for sensing an obstruction between a movable panel and a stationary panel frame
WO1997002962A3 (en) * 1995-07-10 1997-04-03 Webasto Sunroofs Inc System for sensing an obstruction between a movable panel and a stationary panel frame
US5592060A (en) * 1995-07-10 1997-01-07 Webasto Sunroofs Inc. System for sensing an obstruction between a movable panel and a stationary panel frame
US5962825A (en) * 1998-06-15 1999-10-05 Miller Edge, Inc. Universal sensing edge
US6463698B1 (en) * 1999-03-23 2002-10-15 Metzeler Automotive Profiles Gmbh Jam protection for a power-operated closing device
US6374545B1 (en) 2000-05-03 2002-04-23 The Stanley Works Snap-on door sweep
WO2002025047A1 (en) 2000-09-19 2002-03-28 Burgess Lester E Pressure activated switching device
US6396010B1 (en) 2000-10-17 2002-05-28 Matamatic, Inc. Safety edge switch for a movable door
US6571512B1 (en) 2002-04-24 2003-06-03 Miller Edge, Inc. Universal sensing edge with non-melt end closure
US6600113B1 (en) 2002-08-29 2003-07-29 Miller Edge, Inc. Door edge sensing switch with movable wire sheath and adjustable ends
US20040187406A1 (en) * 2003-03-25 2004-09-30 Abstract Overhead Door Co., Inc. Safety sensor for power operated overhead door
US7045725B2 (en) 2003-03-25 2006-05-16 Abstract Overhead Door Co., Inc. Safety sensor for power operated overhead door
US7034682B2 (en) 2003-06-20 2006-04-25 Rite-Hite Holding Corporation Door with a safety antenna
US7151450B2 (en) 2003-06-20 2006-12-19 Rite-Hite Holding Corporation Door with a safety antenna
US7178810B1 (en) 2004-11-02 2007-02-20 The Presray Corporation Mounting arrangement for inflatable seals
US7380375B2 (en) 2004-12-14 2008-06-03 Rite-Hite Holding Corporation Alarm system for a loading dock
US20060137261A1 (en) * 2004-12-14 2006-06-29 Rite-Hite Holding Corporation Alarm system for a loading dock
US8590087B2 (en) 2004-12-14 2013-11-26 Rite-Hite Holding Corporation Lighting and signaling systems for loading docks
US8547234B2 (en) 2004-12-14 2013-10-01 Rite-Hite Holding Corporation Alarm system for a loading dock
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