EP1069269B1 - Mécanisme de verrouillage - Google Patents

Mécanisme de verrouillage Download PDF

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Publication number
EP1069269B1
EP1069269B1 EP20000306055 EP00306055A EP1069269B1 EP 1069269 B1 EP1069269 B1 EP 1069269B1 EP 20000306055 EP20000306055 EP 20000306055 EP 00306055 A EP00306055 A EP 00306055A EP 1069269 B1 EP1069269 B1 EP 1069269B1
Authority
EP
European Patent Office
Prior art keywords
striker
pawl
latch mechanism
limiting member
latch
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
EP20000306055
Other languages
German (de)
English (en)
Other versions
EP1069269A1 (fr
Inventor
Sidney Edward Fisher
Nigel Victor Spurr
Timothy Bland
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.)
ArvinMeritor Light Vehicle Systems UK Ltd
Original Assignee
ArvinMeritor Light Vehicle Systems UK Ltd
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 ArvinMeritor Light Vehicle Systems UK Ltd filed Critical ArvinMeritor Light Vehicle Systems UK Ltd
Publication of EP1069269A1 publication Critical patent/EP1069269A1/fr
Application granted granted Critical
Publication of EP1069269B1 publication Critical patent/EP1069269B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/10—Allowing opening in case of deformed bodywork, e.g. by preventing deformation of lock parts

Definitions

  • the present invention relates to latch assemblies and in particular to latch assemblies for releasably securing vehicle doors when such doors are in a closed position.
  • a typical vehicle door latch mechanism essentially comprises a rotatable claw mounted on the vehicle door which co-operates with a striker pin mounted on the vehicle body.
  • the action of closing the door causes the claw to rotate to a closed position whereupon it engages and retains the striker pin.
  • the claw is maintained in the closed position by a sprung pawl which abuts an appropriately shaped portion of the claw.
  • forces experienced by the latch mechanism can lead to relative movement between the claw and pawl, with the result that the two become misaligned and the pawl no longer maintains the claw in the closed position.
  • the mechanism 10 includes a pawl 12, a latch bolt in the form of a claw 14, and a retention plate 16.
  • the pawl 12 is pivotally mounted via a pawl pivot 20 which is connected to the retention plate 16.
  • the pawl pivot 20 is defined by a pin extending from the retention plate 16.
  • the pawl 12 includes a pawl engagement portion 22.
  • the retention plate 16 in conjunction with further components of the latch mechanism 10 (not shown) which do not move relative to the retention plate 16 during use, form a chassis of the latch mechanism.
  • the claw jaw 26 releasably secures a striker 34 in the mouth 32 of the retention plate 16.
  • the claw 14 can be secured in its closed position, as shown in figure 1, by the pawl 12, and in particular by abutment of the pawl engagement portion 22 with the claw closed engagement portion 28.
  • the striker 34 comprises a pin 36 having at opposite ends thereof a base 38 and an end flange 40. In use, the base 38 of the striker 34 is secured at a location of a vehicle body.
  • the latch mechanism 10 is provided with a substantially planar striker engagement plate 42 within the chassis of the latch mechanism.
  • the striker engagement plate 42 is positioned in the chassis such that it lies on the respective second sides 12B,14B of the pawl 12 and claw 14.
  • striker engagement plate 42 is arranged substantially parallel to the retention plate 16 and may be carried by the pins defining the pawl and claw pivots 20,24.
  • the claw jaw 26 releasably secures the striker 34 both in the mouth 32 of the retention plate 16 and a corresponding mouth 44 of the striker engagement plate 42.
  • the striker engagement plate 42 is positioned between the claw 12 and pawl 14 and the end flange of the 40 of the striker 34. Under the abnormal conditions described above, the striker engagement plate 42 acts to resist misalignment of the pawl 12 and claw 14.
  • Movement of the claw 12 and/or pawl 14 can result in each or either of them moving into contact with the retention plate 16 and/or the striker engagement plate 42, with the plates 16,42 then acting to constrain further movement of the claw 12 and/or pawl 14.
  • the proximity of the striker engagement plate 42 to the striker end flange 40 means that any distortion or flexing of the striker engagement plate 42 causes it to abut the end flange 40. Further distortion or flexing of the striker engagement plate 42 is resisted by the end flange 40.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (8)

  1. Un mécanisme de verrouillage (10) possédant un pêne de serrure (14) pour fixer de manière libérable une gâche (34) dans une position fermée, le pêne de serrure étant monté de manière mobile sur un châssis du mécanisme de verrouillage, et un cliquet monté de manière mobile sur le châssis et pouvant être mis en prise avec le pêne de serrure pour le fermer de manière libérable dans une position fermée, le mécanisme de verrouillage comprenant de plus un élément de limitation (42) monté dans le châssis, l'élément de limitation étant positionné de façon adjacente au cliquet et au pêne de serrure, caractérisé en ce que, lorsque la gâche est fixée dans la position fermée, après application d'une charge anormale au mécanisme de verrouillage, l'élément de limitation limite le déplacement relatif entre le pêne de serrure et le cliquet par une coopération avec une partie d'engagement (40) de la gâche.
  2. Un mécanisme de verrouillage selon la revendication 1, le châssis comprenant une plaque de rétention (16) située sur un premier côté (12A, 14A) du cliquet et du pêne de serrure, et possédant une ouverture (32) pour recevoir la gâche, dans lequel l'élément de limitation est situé dans le châssis sur un second côté (12B, 14B) du cliquet et du pêne de serrure, de telle sorte que le cliquet et le pêne de serrure se situent entre la plaque de rétention et l'élément de limitation.
  3. Un mécanisme de verrouillage selon l'une quelconque des revendications précédentes, dans lequel l'élément de limitation est muni d'une ouverture (44) pour recevoir la gâche.
  4. Un mécanisme de verrouillage selon la revendication 3, dans lequel la partie d'engagement de la gâche est plus grande que l'ouverture de l'élément de limitation.
  5. Un mécanisme de verrouillage selon la revendication 4, dans lequel la partie d'engagement est définie par une bride (40) de la gâche.
  6. Un mécanisme de verrouillage selon la revendication 5, dans lequel l'élément de limitation est positionné entre les seconds côtés du cliquet et du pêne de serrure et la bride de la gâche lorsque la gâche est fermé dans la position fermée.
  7. Un mécanisme de verrouillage selon l'une quelconque des revendications précédentes, le châssis comprenant des broches autour desquelles le cliquet et le pêne de serrure sont montés mobiles, dans lequel l'élément de limitation est situé sur lesdites broches.
  8. Un mécanisme de verrouillage selon l'une quelconque des revendications précédentes, dans lequel l'élément de limitation est sensiblement plan.
EP20000306055 1999-07-16 2000-07-17 Mécanisme de verrouillage Expired - Lifetime EP1069269B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9916632 1999-07-16
GBGB9916632.4A GB9916632D0 (en) 1999-07-16 1999-07-16 Latch mechanism

Publications (2)

Publication Number Publication Date
EP1069269A1 EP1069269A1 (fr) 2001-01-17
EP1069269B1 true EP1069269B1 (fr) 2005-03-02

Family

ID=10857306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000306055 Expired - Lifetime EP1069269B1 (fr) 1999-07-16 2000-07-17 Mécanisme de verrouillage

Country Status (3)

Country Link
EP (1) EP1069269B1 (fr)
DE (1) DE60018332T2 (fr)
GB (1) GB9916632D0 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006031226B4 (de) * 2006-07-06 2012-05-31 Audi Ag Schloss für eine Fahrzeugtür
US8474883B2 (en) * 2010-08-03 2013-07-02 GM Global Technology Operations LLC Latching mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1561538A (en) * 1976-11-29 1980-02-20 Chrysler Uk Vehicle bodies
JP3096552B2 (ja) * 1994-01-11 2000-10-10 三井金属鉱業株式会社 車両スライド扉用ドアロック装置
JP3360157B2 (ja) * 1995-06-09 2002-12-24 株式会社大井製作所 自動車用ドアロック装置
FR2760778B1 (fr) * 1997-03-11 1999-05-14 Valeo Systemes De Fermetures Serrure pour vehicule automobile

Also Published As

Publication number Publication date
GB9916632D0 (en) 1999-09-15
DE60018332T2 (de) 2005-06-30
EP1069269A1 (fr) 2001-01-17
DE60018332D1 (de) 2005-04-07

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