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WO1997018971A3 - Energy absorbing device - Google Patents

Energy absorbing device Download PDF

Info

Publication number
WO1997018971A3
WO1997018971A3 PCT/IL1996/000153 IL9600153W WO9718971A3 WO 1997018971 A3 WO1997018971 A3 WO 1997018971A3 IL 9600153 W IL9600153 W IL 9600153W WO 9718971 A3 WO9718971 A3 WO 9718971A3
Authority
WO
WIPO (PCT)
Prior art keywords
safety belt
piston rod
housing
energy absorbing
absorbing device
Prior art date
Application number
PCT/IL1996/000153
Other languages
French (fr)
Other versions
WO1997018971A2 (en
Inventor
David Douenias
Original Assignee
Kav Mitar Yizum Venihul Proyec
David Douenias
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
Priority claimed from IL11604295A external-priority patent/IL116042A0/en
Priority claimed from IL11605895A external-priority patent/IL116058A0/en
Application filed by Kav Mitar Yizum Venihul Proyec, David Douenias filed Critical Kav Mitar Yizum Venihul Proyec
Priority to AU75042/96A priority Critical patent/AU7504296A/en
Publication of WO1997018971A2 publication Critical patent/WO1997018971A2/en
Publication of WO1997018971A3 publication Critical patent/WO1997018971A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/195—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type
    • B60R22/1954—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type characterised by fluid actuators, e.g. pyrotechnic gas generators
    • B60R22/1955—Linear actuators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/195—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type
    • B60R22/1954—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type characterised by fluid actuators, e.g. pyrotechnic gas generators
    • B60R22/1956—Mechanical triggering means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
    • B60R2022/288—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices with means to adjust or regulate the amount of energy to be absorbed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/34—Belt retractors, e.g. reels
    • B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
    • B60R22/4628—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators
    • B60R2022/4661—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators comprising venting means, e.g. for avoiding overpressure in case of fire or for allowing return motion with energy absorption

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Vibration Dampers (AREA)

Abstract

An energy absorbing device for restraining a safety belt on impact is provided. In one embodiment, the device includes a cylindrical housing having a circular opening at a first end thereof, a piston unit reciprocally located within the housing, and a triggering unit connected to the housing. The piston unit includes a flat edge defining a vacuum section and a piston rod connected at one end thereof to the safety belt. The triggering unit is primed by expelling air from vacuum section and locking the piston rod. When the safety belt is subject to impact forces, the triggering unit releases the piston rod thereby tightening the safety belt around the occupant.
PCT/IL1996/000153 1995-11-17 1996-11-17 Energy absorbing device WO1997018971A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU75042/96A AU7504296A (en) 1995-11-17 1996-11-17 Energy absorbing device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IL116042 1995-11-17
IL11604295A IL116042A0 (en) 1995-11-17 1995-11-17 Seat belt restrainer
IL116058 1995-11-19
IL11605895A IL116058A0 (en) 1995-11-19 1995-11-19 Energy absorbing device

Publications (2)

Publication Number Publication Date
WO1997018971A2 WO1997018971A2 (en) 1997-05-29
WO1997018971A3 true WO1997018971A3 (en) 1997-06-26

Family

ID=26323171

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL1996/000153 WO1997018971A2 (en) 1995-11-17 1996-11-17 Energy absorbing device

Country Status (2)

Country Link
AU (1) AU7504296A (en)
WO (1) WO1997018971A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017223333A1 (en) * 2017-12-20 2019-06-27 Volkswagen Aktiengesellschaft Belt buckle assembly with belt force limiter and method of assembling the buckle assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2419193A1 (en) * 1974-04-20 1975-11-06 Sigmatex Ag Shock absorber for car shoulder seat belt - has strap buckled round plastically-deformable energy absorbing coil spring
US3999780A (en) * 1973-02-22 1976-12-28 Nissan Motor Co., Ltd. Actuator for safety seat belt system
US4256273A (en) * 1978-07-05 1981-03-17 Britax (Windgard) Limited Safety belt retractors
US4288098A (en) * 1978-06-07 1981-09-08 Nippon Soken, Inc. Piston return stop device for tensioning device of seat belt

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999780A (en) * 1973-02-22 1976-12-28 Nissan Motor Co., Ltd. Actuator for safety seat belt system
DE2419193A1 (en) * 1974-04-20 1975-11-06 Sigmatex Ag Shock absorber for car shoulder seat belt - has strap buckled round plastically-deformable energy absorbing coil spring
US4288098A (en) * 1978-06-07 1981-09-08 Nippon Soken, Inc. Piston return stop device for tensioning device of seat belt
US4256273A (en) * 1978-07-05 1981-03-17 Britax (Windgard) Limited Safety belt retractors

Also Published As

Publication number Publication date
WO1997018971A2 (en) 1997-05-29
AU7504296A (en) 1997-06-11

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