IT1266446B1 - Gas operated vehicle seat belt pretensioner - incorporates coupling shaft in pressure chamber defined by inner wall - Google Patents

Gas operated vehicle seat belt pretensioner - incorporates coupling shaft in pressure chamber defined by inner wall

Info

Publication number
IT1266446B1
IT1266446B1 ITRM930806A IT1266446B1 IT 1266446 B1 IT1266446 B1 IT 1266446B1 IT RM930806 A ITRM930806 A IT RM930806A IT 1266446 B1 IT1266446 B1 IT 1266446B1
Authority
IT
Italy
Prior art keywords
pressure chamber
wall
vehicle seat
seat belt
coupling shaft
Prior art date
Application number
Other languages
Italian (it)
Inventor
Mitsuhiko Hiruta
Ryoichi Yoshida
Muneo Nishizama
Koji Hiramatsu
Tetsuya Hamaue
Original Assignee
Takata Corp
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 JP35156792A external-priority patent/JP3174836B2/en
Priority claimed from JP35156892A external-priority patent/JP3227659B2/en
Priority claimed from JP35156692A external-priority patent/JP3174835B2/en
Application filed by Takata Corp filed Critical Takata Corp
Publication of ITRM930806A0 publication Critical patent/ITRM930806A0/en
Publication of ITRM930806A1 publication Critical patent/ITRM930806A1/en
Application granted granted Critical
Publication of IT1266446B1 publication Critical patent/IT1266446B1/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
    • B60R22/34—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

Landscapes

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

Abstract

The vehicle seat belt pretensioner actuated by a rotary drive having a frame (2) with a belt winding shaft (1); a rotary actuator (30) with a pressure chamber (C), a rotary body (31) and a gas producer (4).There is a coupling (51, 52) between the rotary body and the winding shaft. The pressure chamber of the actuator is ring shaped and has an inner wall (311) which defines a space (3) within the chamber, and the coupling is accommodated in the space (S) inside the chamber.
ITRM930806 1992-12-09 1993-12-06 Gas operated vehicle seat belt pretensioner - incorporates coupling shaft in pressure chamber defined by inner wall IT1266446B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP35156792A JP3174836B2 (en) 1992-12-09 1992-12-09 Rotary actuator actuated pretensioner
JP35156892A JP3227659B2 (en) 1992-12-09 1992-12-09 Rotary actuator actuated pretensioner
JP35156692A JP3174835B2 (en) 1992-12-09 1992-12-09 Rotary actuator actuated pretensioner

Publications (3)

Publication Number Publication Date
ITRM930806A0 ITRM930806A0 (en) 1993-12-06
ITRM930806A1 ITRM930806A1 (en) 1995-06-06
IT1266446B1 true IT1266446B1 (en) 1996-12-30

Family

ID=27341385

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM930806 IT1266446B1 (en) 1992-12-09 1993-12-06 Gas operated vehicle seat belt pretensioner - incorporates coupling shaft in pressure chamber defined by inner wall

Country Status (3)

Country Link
CN (1) CN1092362A (en)
IT (1) IT1266446B1 (en)
SE (1) SE9304071L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5199208B2 (en) * 2008-10-15 2013-05-15 株式会社東海理化電機製作所 Pretensioner
JP6388832B2 (en) * 2012-01-31 2018-09-19 ラジャーシンガム、アージューナ・イドレイスワラン Vehicle occupant support
DE102012004603B4 (en) * 2012-03-07 2014-05-28 Key Safety Systems, Inc. Belt retractor for a vehicle seat belt

Also Published As

Publication number Publication date
SE9304071L (en) 1994-06-10
ITRM930806A1 (en) 1995-06-06
ITRM930806A0 (en) 1993-12-06
CN1092362A (en) 1994-09-21
SE9304071D0 (en) 1993-12-08

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Legal Events

Date Code Title Description
0001 Granted