DE29917679U1 - Locking mechanism for a belt retractor - Google Patents

Locking mechanism for a belt retractor

Info

Publication number
DE29917679U1
DE29917679U1 DE29917679U DE29917679U DE29917679U1 DE 29917679 U1 DE29917679 U1 DE 29917679U1 DE 29917679 U DE29917679 U DE 29917679U DE 29917679 U DE29917679 U DE 29917679U DE 29917679 U1 DE29917679 U1 DE 29917679U1
Authority
DE
Germany
Prior art keywords
pawl
spring
locking mechanism
mechanism according
belt
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
DE29917679U
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 DE29917679U priority Critical patent/DE29917679U1/en
Publication of DE29917679U1 publication Critical patent/DE29917679U1/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
    • B60R22/36—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

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 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 erfaßt The description text was not recorded electronically  

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

Claims (10)

1. Sperrmechanismus für einen Gurtaufroller, der eine drehbar in einem Rahmen (12) gelagerte Gurtspule (10), eine am Rahmen angeordnete Sperrverzahnung (16), eine an der Gurtspule angeordnete Sperrklinke (24) zum Zusammenwirken mit der Sperrverzahnung und eine Feder (28) aufweist, durch die die Sperrklinke (24) in eine Ruhestellung beauf­ schlagt wird, dadurch gekennzeichnet, daß die Feder (28) eine Kenn­ linie mit einem Bereich zumindest annähernd gleichbleibender Kraft aufweist und über den Auslenkhub der Sperrklinke in diesem Bereich der Kennlinie arbeitet.Locking mechanism for a belt retractor, which has a belt spool ( 10 ) rotatably mounted in a frame ( 12 ), a locking toothing ( 16 ) arranged on the frame, a locking pawl ( 24 ) arranged on the belt spool for interacting with the locking toothing and a spring ( 28 ), by which the pawl ( 24 ) is struck into a rest position, characterized in that the spring ( 28 ) has a characteristic line with an area of at least approximately constant force and works via the deflection stroke of the pawl in this area of the characteristic. 2. Sperrmechanismus nach Anspruch 1, dadurch gekennzeichnet, daß die Feder eine zwischen ihren Enden auf Druck beanspruchte Linearfeder ist.2. Locking mechanism according to claim 1, characterized in that the spring is a linear spring stressed between its ends is. 3. Sperrmechanismus nach Anspruch 1 oder 2, dadurch gekennzeich­ net, daß die Feder an wenigstens einem ihrer Enden auf einer Kante schwenkbeweglich abgestützt ist.3. Locking mechanism according to claim 1 or 2, characterized net that the spring on at least one of its ends on an edge is pivotally supported. 4. Sperrmechanismus nach Anspruch 1 oder 2, dadurch gekennzeich­ net, daß die Feder an wenigstens einem ihrer Enden fest eingespannt ist. 4. Locking mechanism according to claim 1 or 2, characterized net that the spring firmly clamped at at least one of its ends is.   5. Sperrmechanismus nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Feder zwischen ihren Enden im eingebauten Zustand eine Biegung mit Wendepunkt aufweist.5. Locking mechanism according to one of the preceding claims, characterized in that the spring between its ends in installed condition has a bend with inflection point. 6. Sperrmechanismus nach einem der vorstehenden Ansprüche, da­ durch gekennzeichnet, daß die Sperrklinke (24) an einer relativ zur Gurtspule (10) begrenzt verdrehbaren Trägheitsscheibe (20) schwenkbar gelagert und lasttragend an der Gurtspule (10) abgestützt ist.6. Locking mechanism according to one of the preceding claims, characterized in that the pawl ( 24 ) on a relative to the belt reel ( 10 ) limited rotatable inertia disc ( 20 ) is pivotally mounted and supported on the belt reel ( 10 ) in a load-bearing manner. 7. Sperrmechanismus nach Anspruch 6, dadurch gekennzeichnet, daß die Feder (28) zwischen der Trägheitsscheibe (20) und der Sperrklinke (24) wirksam ist.7. Locking mechanism according to claim 6, characterized in that the spring ( 28 ) between the inertia disc ( 20 ) and the pawl ( 24 ) is effective. 8. Sperrmechanismus nach Anspruch 6 oder 7, dadurch gekennzeich­ net, daß die Sperrklinke in ihrem Schwerpunkt gelagert ist.8. Locking mechanism according to claim 6 or 7, characterized net that the pawl is stored in its focus. 9. Sperrmechanismus nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß die Sperrklinke (24) einen Betätigungsansatz (24b) und die Gurtspule einen mit diesem zusammenwirkenden Nocken (10a) auf­ weist und die Feder (28) über die Sperrklinke (24) und deren am Nocken (10a) anliegenden Betätigungsansatz (24b) auch auf die Trägheits­ scheibe (20) zu deren Beaufschlagung in eine Ruhestellung relativ zur Gurtspule (10) wirkt.9. Locking mechanism according to one of claims 6 to 8, characterized in that the pawl ( 24 ) has an actuating projection ( 24 b) and the belt spool has a cooperating cam ( 10 a) and the spring ( 28 ) via the pawl ( 24 ) and their actuating shoulder ( 24 b) resting on the cam ( 10 a) also acts on the inertia disc ( 20 ) to act upon it in a rest position relative to the belt reel ( 10 ). 10. Sperrmechanismus nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß der Angriffsort der Feder (28) an der Sperrklinke (24) so gewählt ist, daß die Länge des Hebelarmes, mit dem die Feder ein Drehmoment um die Schwenkachse der Sperrklinke erzeugt, bei der Auslenkung der Sperrklinke in ihre Eingriffsstellung kleiner wird.10. Locking mechanism according to one of claims 6 to 8, characterized in that the point of attack of the spring ( 28 ) on the pawl ( 24 ) is chosen so that the length of the lever arm with which the spring generates a torque about the pivot axis of the pawl , becomes smaller when the pawl is deflected into its engagement position.
DE29917679U 1999-10-07 1999-10-07 Locking mechanism for a belt retractor Expired - Lifetime DE29917679U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29917679U DE29917679U1 (en) 1999-10-07 1999-10-07 Locking mechanism for a belt retractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29917679U DE29917679U1 (en) 1999-10-07 1999-10-07 Locking mechanism for a belt retractor

Publications (1)

Publication Number Publication Date
DE29917679U1 true DE29917679U1 (en) 2000-02-24

Family

ID=8079967

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29917679U Expired - Lifetime DE29917679U1 (en) 1999-10-07 1999-10-07 Locking mechanism for a belt retractor

Country Status (1)

Country Link
DE (1) DE29917679U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005030153A1 (en) * 2005-06-29 2007-01-04 Autoliv Development Ab Self-locking belt retractor with noise damping
EP1992531A3 (en) * 2007-05-16 2012-11-14 Autoliv Development AB Locking member mounting structure of seat belt retractor
DE102018101749A1 (en) * 2018-01-26 2019-08-01 Trw Automotive Gmbh retractor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005030153A1 (en) * 2005-06-29 2007-01-04 Autoliv Development Ab Self-locking belt retractor with noise damping
DE102005030153B4 (en) * 2005-06-29 2008-12-11 Autoliv Development Ab Self-locking belt retractor with noise damping
EP1992531A3 (en) * 2007-05-16 2012-11-14 Autoliv Development AB Locking member mounting structure of seat belt retractor
DE102018101749A1 (en) * 2018-01-26 2019-08-01 Trw Automotive Gmbh retractor

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000330

R163 Identified publications notified

Effective date: 20000717

R150 Term of protection extended to 6 years

Effective date: 20021205

R151 Term of protection extended to 8 years

Effective date: 20051122

R152 Term of protection extended to 10 years

Effective date: 20071121

R071 Expiry of right