SE8900961D0 - DRIVE DRIVE DRIVE - Google Patents

DRIVE DRIVE DRIVE

Info

Publication number
SE8900961D0
SE8900961D0 SE8900961A SE8900961A SE8900961D0 SE 8900961 D0 SE8900961 D0 SE 8900961D0 SE 8900961 A SE8900961 A SE 8900961A SE 8900961 A SE8900961 A SE 8900961A SE 8900961 D0 SE8900961 D0 SE 8900961D0
Authority
SE
Sweden
Prior art keywords
piston
cylinder
drive
cable
sealing
Prior art date
Application number
SE8900961A
Other languages
Swedish (sv)
Other versions
SE8900961L (en
Inventor
B Alm
Original Assignee
Autoflug Gmbh
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 Autoflug Gmbh filed Critical Autoflug Gmbh
Publication of SE8900961D0 publication Critical patent/SE8900961D0/en
Publication of SE8900961L publication Critical patent/SE8900961L/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
    • B60R22/4619—Transmission of tensioning power by cable, e.g. using a clutch on reel side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/10—Connection to driving members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Actuator (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The means consists of a cylinder 10 having a drive piston 11 therein and a pressure store connected to the cylinder chamber 13, the drive piston 11 being connected to a cable 12 for transmitting displacement of the piston to the belt reeling means. The cable passes through the piston and is fixed thereto, at an end portion projecting from the piston, by means of a metal clamp 15. The piston 11 consists of a deformable plastics material and closes off the cylinder chamber 13 by forming a seal against the cable 12 passing therethrough. This sealing action is assisted by the cooperating tapers 16, 17 on the piston and clamp. The arrangement reduces the leakages in the piston area and at the same time simplifies the manufacture of the piston and cylinder. The piston may have a sealing lip at its lower end which is spread outwardly by the pressure in use against the cylinder (Fig 2) or which is trimmed by the metal cylinder wall to provide a close fit (Fig 3) or which instead cuts a sealing path into a plastics lined cylinder. <IMAGE>
SE8900961A 1988-03-22 1989-03-17 DRIVE DEVICE FOR BELTESSENS SE8900961L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3809514A DE3809514C2 (en) 1988-03-22 1988-03-22 Drive device for belt tensioners

Publications (2)

Publication Number Publication Date
SE8900961D0 true SE8900961D0 (en) 1989-03-17
SE8900961L SE8900961L (en) 1989-09-23

Family

ID=6350317

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8900961A SE8900961L (en) 1988-03-22 1989-03-17 DRIVE DEVICE FOR BELTESSENS

Country Status (5)

Country Link
DE (2) DE3809514C2 (en)
FR (1) FR2629029B1 (en)
GB (1) GB2217181B (en)
IT (1) IT1228817B (en)
SE (1) SE8900961L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671145B1 (en) * 1990-12-28 1993-04-23 Europ Propulsion ROTARY ACTUATION DEVICE WITH ANNULAR PISTON ROD.
EP0558963B1 (en) * 1992-03-05 1997-10-01 TRW Occupant Restraint Systems GmbH Linear pretensioning device for a restraint system in a vehicle
DE9304152U1 (en) * 1993-03-20 1993-05-13 Trw Repa Gmbh, 7077 Alfdorf, De
RU2037437C1 (en) * 1993-07-06 1995-06-19 Всероссийский научно-исследовательский институт экспериментальной физики Vehicle seat belt tensioning device
DE4332206C2 (en) * 1993-09-22 1997-08-14 Hs Tech & Design Drive device
DE29608210U1 (en) * 1996-05-06 1996-09-12 Trw Repa Gmbh Linear drive for a vehicle occupant restraint system
GB2315985B (en) * 1996-08-13 2000-11-22 Alliedsignal Ltd Pretensioner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2304878C2 (en) * 1973-02-01 1982-12-30 Adam Opel AG, 6090 Rüsselsheim Safety belt assembly for vehicles, in particular for motor vehicles
FR2460407A1 (en) * 1979-06-29 1981-01-23 Angeviniere Sa Seat belt blocking mechanism - has piston rod with slidable blocking ring tilting on carrier element inclined surface
DE2931164A1 (en) * 1979-08-01 1981-02-19 Dynamit Nobel Ag ROTATIONAL ELEMENT
DE3137263C2 (en) * 1980-10-06 1985-12-19 TRW Repa GmbH, 7071 Alfdorf Cylinder / piston drive especially for tensioning systems in automatic seat belt winding machines
DE3131637C2 (en) * 1980-10-06 1986-10-02 TRW Repa GmbH, 7077 Alfdorf Back tensioner for seat belt machines
DE3044951C2 (en) * 1980-11-28 1986-03-27 Repa Feinstanzwerk Gmbh, 7071 Alfdorf Back tensioner for a seat belt
DE3407379A1 (en) * 1984-02-29 1986-06-26 Autoflug Gmbh, 2084 Rellingen Belt tightener for a self-locking safety belt retractor
JPH0724295Y2 (en) * 1988-09-29 1995-06-05 本田技研工業株式会社 Piston structure of seat belt preloader device

Also Published As

Publication number Publication date
GB2217181A (en) 1989-10-25
FR2629029B1 (en) 1992-08-07
IT8919866A0 (en) 1989-03-22
DE3809514C2 (en) 1996-05-09
DE8816557U1 (en) 1989-11-16
GB8906127D0 (en) 1989-05-04
IT1228817B (en) 1991-07-04
DE3809514A1 (en) 1989-10-05
FR2629029A1 (en) 1989-09-29
GB2217181B (en) 1992-06-10
SE8900961L (en) 1989-09-23

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8900961-7

Effective date: 19910306