DE20212088U1 - Seat belt roller, has drive wheel with teeth cooperating with pawl in end of belt spool - Google Patents

Seat belt roller, has drive wheel with teeth cooperating with pawl in end of belt spool

Info

Publication number
DE20212088U1
DE20212088U1 DE20212088U DE20212088U DE20212088U1 DE 20212088 U1 DE20212088 U1 DE 20212088U1 DE 20212088 U DE20212088 U DE 20212088U DE 20212088 U DE20212088 U DE 20212088U DE 20212088 U1 DE20212088 U1 DE 20212088U1
Authority
DE
Germany
Prior art keywords
pawl
drive wheel
drive
belt
belt retractor
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 - Lifetime
Application number
DE20212088U
Other languages
German (de)
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.)
TRW Occupant Restraint Systems GmbH
Original Assignee
TRW Occupant Restraint Systems 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 TRW Occupant Restraint Systems GmbH filed Critical TRW Occupant Restraint Systems GmbH
Priority to DE20212088U priority Critical patent/DE20212088U1/en
Publication of DE20212088U1 publication Critical patent/DE20212088U1/en
Priority to US10/431,855 priority patent/US6921041B2/en
Priority to DE10321218A priority patent/DE10321218A1/en
Priority to JP2003133915A priority patent/JP2003327077A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B60R2022/4473—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions using an electric retraction device
    • 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
    • B60R2022/4666—Reels with means to tension the belt in an emergency by forced winding up characterised by electric 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
    • B60R22/34—Belt retractors, e.g. reels
    • B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
    • B60R2022/468—Reels with means to tension the belt in an emergency by forced winding up characterised by clutching means between actuator and belt reel
    • 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
    • B60R22/343—Belt retractors, e.g. reels with electrically actuated locking means
    • 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
    • B60R22/36—Belt retractors, e.g. reels self-locking in an emergency
    • B60R22/38—Belt retractors, e.g. reels self-locking in an emergency responsive only to belt movement

Landscapes

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

Abstract

A belt spool (16) rotatably mounted in a frame (10) has at least one pawl (18) pivotally secured to one of its end surface. A drive wheel (20) rotatably mounted in the frame is powered by an electric motor (30) and has a ring of teeth (18a, 18b) which can be selectively engaged with the pawl. The teeth and pawl have complimentary geometries.

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (5)

1. Gurtaufroller mit einer in einem Rahmen drehbar gelagerten Gurtspule, wenigstens einer Kupplungsklinke, die an einer Stirnfläche der Gurtspule schwenkbar gelagert ist, und mit einem am Rahmen drehbar gelagerten Antriebsrad, das mit einem elektromotorischen Antrieb in Antriebsverbindung steht und eine ringförmige Kupplungsverzahnung aufweist, in die die Kupplungsklinke selektiv einsteuerbar ist, wobei die Kupplungsklinke und die Kupplungsverzahnung eine komplementäre, Verzahnungsgeometrie aufweisen.1. belt retractor with a belt reel rotatably mounted in a frame, at least one clutch pawl on an end face of the belt reel is pivotally mounted, and with a rotatably mounted on the frame Drive wheel that is connected to an electric motor drive stands and has an annular coupling toothing, in which the The clutch pawl can be selectively controlled, the clutch pawl and the Coupling teeth have a complementary, toothing geometry. 2. Gurtaufroller nach Anspruch 1, bei dem die Antriebsverbindung vom elektromotorischen Antrieb zu dem Antriebsrad selbsthemmend ist.2. Belt retractor according to claim 1, wherein the drive connection from electromotive drive to the drive wheel is self-locking. 3. Gurtaufroller nach Anspruch 2, bei dem das Antriebsrad ein Schneckenrad ist, das mit einer Antriebsschnecke in Eingriff steht.3. Belt retractor according to claim 2, wherein the drive wheel is a worm wheel that is engaged with a drive worm. 4. Gurtaufroller nach einem der Ansprüche 1 bis 3, bei dem die ringförmige Kupplungsverzahnung die Kupplungsklinke umgibt und die Kupplungsklinke von Innen nach Außen in die Kupplungsverzahnung auslenkbar ist.4. Belt retractor according to one of claims 1 to 3, wherein the annular Clutch teeth surround the clutch pawl and the clutch pawl from Is deflectable inside out into the coupling teeth. 5. Gurtaufroller nach einem der Ansprüche 1 bis 4, bei dem die Verzahnungsgeometrie symmetrische Zahnflanken aufweist.5. Belt retractor according to one of claims 1 to 4, in which the Gear geometry has symmetrical tooth flanks.
DE20212088U 2002-05-13 2002-08-06 Seat belt roller, has drive wheel with teeth cooperating with pawl in end of belt spool Expired - Lifetime DE20212088U1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE20212088U DE20212088U1 (en) 2002-05-13 2002-08-06 Seat belt roller, has drive wheel with teeth cooperating with pawl in end of belt spool
US10/431,855 US6921041B2 (en) 2002-05-13 2003-05-08 Seat-belt retractor
DE10321218A DE10321218A1 (en) 2002-05-13 2003-05-12 Seat belt roller, has drive wheel with teeth cooperating with pawl in end of belt spool
JP2003133915A JP2003327077A (en) 2002-05-13 2003-05-13 Seat belt retractor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20207729 2002-05-13
DE20212088U DE20212088U1 (en) 2002-05-13 2002-08-06 Seat belt roller, has drive wheel with teeth cooperating with pawl in end of belt spool

Publications (1)

Publication Number Publication Date
DE20212088U1 true DE20212088U1 (en) 2003-01-02

Family

ID=7971242

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20212088U Expired - Lifetime DE20212088U1 (en) 2002-05-13 2002-08-06 Seat belt roller, has drive wheel with teeth cooperating with pawl in end of belt spool

Country Status (1)

Country Link
DE (1) DE20212088U1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003099619A2 (en) * 2002-05-29 2003-12-04 Autoliv Development Ab Safety belt retractor comprising a pre-tensioning device
DE20311004U1 (en) * 2003-07-17 2003-12-04 Trw Occupant Restraint Systems Gmbh & Co. Kg Belt retractor for a vehicle seat belt
EP1531099A1 (en) * 2003-11-11 2005-05-18 Takata Corporation Seat belt retractor
EP1721791A3 (en) * 2005-05-09 2007-10-03 TRW Automotive GmbH Belt retractor with reversible pretensioning device
US7458535B2 (en) 2004-05-05 2008-12-02 Trw Automotive Gmbh Belt retractor for a vehicle safety belt

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003099619A2 (en) * 2002-05-29 2003-12-04 Autoliv Development Ab Safety belt retractor comprising a pre-tensioning device
WO2003099619A3 (en) * 2002-05-29 2004-04-01 Autoliv Dev Safety belt retractor comprising a pre-tensioning device
DE20311004U1 (en) * 2003-07-17 2003-12-04 Trw Occupant Restraint Systems Gmbh & Co. Kg Belt retractor for a vehicle seat belt
EP1531099A1 (en) * 2003-11-11 2005-05-18 Takata Corporation Seat belt retractor
US7458535B2 (en) 2004-05-05 2008-12-02 Trw Automotive Gmbh Belt retractor for a vehicle safety belt
EP1721791A3 (en) * 2005-05-09 2007-10-03 TRW Automotive GmbH Belt retractor with reversible pretensioning device

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20030206

R163 Identified publications notified

Effective date: 20030714

R150 Term of protection extended to 6 years

Effective date: 20050818

R157 Lapse of ip right after 6 years

Effective date: 20090303