FR2135166A1 - - Google Patents

Info

Publication number
FR2135166A1
FR2135166A1 FR7213500A FR7213500A FR2135166A1 FR 2135166 A1 FR2135166 A1 FR 2135166A1 FR 7213500 A FR7213500 A FR 7213500A FR 7213500 A FR7213500 A FR 7213500A FR 2135166 A1 FR2135166 A1 FR 2135166A1
Authority
FR
France
Prior art keywords
seat
web
weight
contacts
switch
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.)
Granted
Application number
FR7213500A
Other languages
French (fr)
Other versions
FR2135166B1 (en
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of FR2135166A1 publication Critical patent/FR2135166A1/fr
Application granted granted Critical
Publication of FR2135166B1 publication Critical patent/FR2135166B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
    • H01H3/141—Cushion or mat switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
    • B60N2/003—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat
    • B60N2/0031—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat mounted on the frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2210/00—Sensor types, e.g. for passenger detection systems or for controlling seats
    • B60N2210/40—Force or pressure sensors
    • B60N2210/46—Electric switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Push-Button Switches (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Seats For Vehicles (AREA)

Abstract

An electric switch, for incorporation in a seat which includes an elastically extensible web on which a weight on the seat is supported, includes contacts on the web engageable with contacts on a relatively fixed part of the seat, whereby stretching of the web by a weight on the seat operates the switch.
FR7213500A 1971-04-13 1972-04-12 Expired FR2135166B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB926771A GB1384884A (en) 1971-04-13 1971-04-13 Electric switches

Publications (2)

Publication Number Publication Date
FR2135166A1 true FR2135166A1 (en) 1972-12-15
FR2135166B1 FR2135166B1 (en) 1975-03-21

Family

ID=9868693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213500A Expired FR2135166B1 (en) 1971-04-13 1972-04-12

Country Status (6)

Country Link
US (1) US3766344A (en)
JP (1) JPS4813869A (en)
DE (1) DE2217601A1 (en)
FR (1) FR2135166B1 (en)
GB (1) GB1384884A (en)
IT (1) IT957618B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539560A (en) * 1982-12-10 1985-09-03 Hill-Rom Company, Inc. Bed departure detection system
DE4029683A1 (en) * 1990-09-19 1992-03-26 Bayerische Motoren Werke Ag SEAT ASSIGNMENT SWITCHING DEVICE FOR MOTOR VEHICLES
US5276432A (en) * 1992-01-15 1994-01-04 Stryker Corporation Patient exit detection mechanism for hospital bed
US6891111B1 (en) 1994-02-04 2005-05-10 Siemens Vdo Automotive Corporation Signal processing in a vehicle classification system
US5808552A (en) * 1996-11-25 1998-09-15 Hill-Rom, Inc. Patient detection system for a patient-support device
JP2001522750A (en) * 1997-11-12 2001-11-20 シーメンス オートモーティヴ コーポレイション Method and apparatus for determining vehicle occupant weight and position
US6039344A (en) * 1998-01-09 2000-03-21 Trw Inc. Vehicle occupant weight sensor apparatus
US6988413B1 (en) 1999-02-24 2006-01-24 Siemens Vdo Automotive Corporation Method and apparatus for sensing seat occupant weight
US6557424B1 (en) 1999-02-24 2003-05-06 Siemens Vdo Automotive Corporation Method and apparatus for sensing seat occupant weight
US6764094B1 (en) 1999-06-25 2004-07-20 Siemens Vdo Automotive Corporation Weight sensor assembly for determining seat occupant weight
DE19931379A1 (en) * 1999-07-07 2001-01-11 Hbm Waegetechnik Gmbh Seat element, in particular a motor vehicle seat with a load detection device
US6288649B1 (en) 2000-02-22 2001-09-11 Trw Inc. Weight sensing apparatus
US7048338B2 (en) * 2000-03-02 2006-05-23 Siemens Vdo Automotive Corporation Method and apparatus for attaching sensors to a seat assembly
US6401855B1 (en) 2000-07-13 2002-06-11 Trw Inc. Seat load sensing apparatus
US6448512B1 (en) 2000-08-22 2002-09-10 Trw Inc. Weight sensing apparatus
US6636792B2 (en) * 2000-09-29 2003-10-21 Siemens Vdo Automotive Corporation Weight classification system
US6508514B2 (en) 2001-02-07 2003-01-21 Trw Inc. Parallelogram load sensing apparatus for a vehicle seat
US6835899B2 (en) * 2002-08-21 2004-12-28 Trw Inc. Load sensing assembly for a vehicle seat
KR20060037265A (en) * 2003-06-06 2006-05-03 코닌클리케 필립스 일렉트로닉스 엔.브이. Stretchable fabric switch
US7253366B2 (en) 2004-08-09 2007-08-07 Hill-Rom Services, Inc. Exit alarm for a hospital bed triggered by individual load cell weight readings exceeding a predetermined threshold
FR2946427B1 (en) * 2009-06-05 2011-09-30 Hill Rom Ind Sa PRESSURE SENSOR COMPRISING A CAPACITIVE CELL AND SUPPORT DEVICE HAVING THE SAME.
US8717181B2 (en) 2010-07-29 2014-05-06 Hill-Rom Services, Inc. Bed exit alert silence with automatic re-enable
US10292605B2 (en) 2012-11-15 2019-05-21 Hill-Rom Services, Inc. Bed load cell based physiological sensing systems and methods
EP2995242B1 (en) 2014-09-11 2023-11-15 Hill-Rom S.A.S. Patient support apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375495A (en) * 1965-02-12 1968-03-26 Joel A. Burns Seatbelt alarm system
US3381268A (en) * 1964-10-30 1968-04-30 Oliver W. Boblitz Safety belt signal systems for motor vehicles
US3437993A (en) * 1965-12-06 1969-04-08 Orlando Recio Passenger seat belt safety system for automotive vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2185071A (en) * 1939-12-26 Electric switch
US3297841A (en) * 1963-02-19 1967-01-10 Carlson S Alinement Service Electric tension switch assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381268A (en) * 1964-10-30 1968-04-30 Oliver W. Boblitz Safety belt signal systems for motor vehicles
US3375495A (en) * 1965-02-12 1968-03-26 Joel A. Burns Seatbelt alarm system
US3437993A (en) * 1965-12-06 1969-04-08 Orlando Recio Passenger seat belt safety system for automotive vehicle

Also Published As

Publication number Publication date
GB1384884A (en) 1975-02-26
JPS4813869A (en) 1973-02-21
DE2217601A1 (en) 1972-10-19
FR2135166B1 (en) 1975-03-21
US3766344A (en) 1973-10-16
IT957618B (en) 1973-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse