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GB2326623B - Prentensioner - Google Patents

Prentensioner

Info

Publication number
GB2326623B
GB2326623B GB9713725A GB9713725A GB2326623B GB 2326623 B GB2326623 B GB 2326623B GB 9713725 A GB9713725 A GB 9713725A GB 9713725 A GB9713725 A GB 9713725A GB 2326623 B GB2326623 B GB 2326623B
Authority
GB
United Kingdom
Prior art keywords
prentensioner
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 - Fee Related
Application number
GB9713725A
Other versions
GB9713725D0 (en
GB2326623A (en
Inventor
Alan George Smithson
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.)
Honeywell UK Ltd
Breed Automotive Technology Inc
Original Assignee
AlliedSignal Ltd
Honeywell UK Ltd
Breed Automotive Technology Inc
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 AlliedSignal Ltd, Honeywell UK Ltd, Breed Automotive Technology Inc filed Critical AlliedSignal Ltd
Priority to GB9713725A priority Critical patent/GB2326623B/en
Publication of GB9713725D0 publication Critical patent/GB9713725D0/en
Publication of GB2326623A publication Critical patent/GB2326623A/en
Application granted granted Critical
Publication of GB2326623B publication Critical patent/GB2326623B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B60R22/34—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
    • 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
    • B60R22/44—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions
    • 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
    • B60R22/44—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions
    • B60R2022/4413—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions by connecting the retracting spring to the belt reel by means of a transmission which decreases the spring force when the belt is pulled out, e.g. using conical pulleys
    • 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
    • B60R2022/4642—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators the gas directly propelling a flexible driving means, e.g. a plurality of successive masses, in a tubular chamber
    • B60R2022/4647—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators the gas directly propelling a flexible driving means, e.g. a plurality of successive masses, in a tubular chamber the driving means being a belt, a chain or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automotive Seat Belt Assembly (AREA)
GB9713725A 1997-06-27 1997-06-27 Prentensioner Expired - Fee Related GB2326623B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9713725A GB2326623B (en) 1997-06-27 1997-06-27 Prentensioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9713725A GB2326623B (en) 1997-06-27 1997-06-27 Prentensioner

Publications (3)

Publication Number Publication Date
GB9713725D0 GB9713725D0 (en) 1997-09-03
GB2326623A GB2326623A (en) 1998-12-30
GB2326623B true GB2326623B (en) 2001-08-08

Family

ID=10815100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9713725A Expired - Fee Related GB2326623B (en) 1997-06-27 1997-06-27 Prentensioner

Country Status (1)

Country Link
GB (1) GB2326623B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6419176B1 (en) * 1999-02-26 2002-07-16 Takata Corporation Pre-tensioner
DE10349178B4 (en) * 2003-10-22 2006-12-14 Daimlerchrysler Ag belt tensioner assembly
EP3165412B1 (en) * 2015-11-09 2018-07-18 Autoliv Development AB Automatic gear train for motorized seatbelt retractors
KR102775070B1 (en) * 2019-12-11 2025-03-04 현대자동차주식회사 Vehicle seat belt pretensioner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301977A (en) * 1979-12-03 1981-11-24 Pacific Scientific Company Dual tension strap retractor
GB2292304A (en) * 1994-07-06 1996-02-21 Nsk Ltd Pretensioned seat belt retractor
WO1997013661A1 (en) * 1995-10-12 1997-04-17 Breed Automotive Technology, Inc. Chain driven pretensioner and retractor
GB2306294A (en) * 1995-10-23 1997-05-07 Tensator Ltd A seat belt retractor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301977A (en) * 1979-12-03 1981-11-24 Pacific Scientific Company Dual tension strap retractor
GB2292304A (en) * 1994-07-06 1996-02-21 Nsk Ltd Pretensioned seat belt retractor
WO1997013661A1 (en) * 1995-10-12 1997-04-17 Breed Automotive Technology, Inc. Chain driven pretensioner and retractor
GB2306294A (en) * 1995-10-23 1997-05-07 Tensator Ltd A seat belt retractor

Also Published As

Publication number Publication date
GB9713725D0 (en) 1997-09-03
GB2326623A (en) 1998-12-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040627