EP1375792A1 - Serrure pour véhicule - Google Patents

Serrure pour véhicule Download PDF

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Publication number
EP1375792A1
EP1375792A1 EP02013659A EP02013659A EP1375792A1 EP 1375792 A1 EP1375792 A1 EP 1375792A1 EP 02013659 A EP02013659 A EP 02013659A EP 02013659 A EP02013659 A EP 02013659A EP 1375792 A1 EP1375792 A1 EP 1375792A1
Authority
EP
European Patent Office
Prior art keywords
lid
release
bar
pawl
vehicle
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.)
Granted
Application number
EP02013659A
Other languages
German (de)
English (en)
Other versions
EP1375792B1 (fr
Inventor
Christer Gustav Dominique
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Priority to EP20020013659 priority Critical patent/EP1375792B1/fr
Priority to DE2002625256 priority patent/DE60225256T2/de
Publication of EP1375792A1 publication Critical patent/EP1375792A1/fr
Application granted granted Critical
Publication of EP1375792B1 publication Critical patent/EP1375792B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/26—Emergency opening means for persons trapped in the luggage compartment

Definitions

  • the present invention relates to a latch device of a lid to a compartment of a vehicle, preferably a mechanism for preventing unintentional trunk entrapment, comprising a claw being in engagement with a striker when said lid is closed, or being held in a ready-to-engage state when the lid is open, in which state said claw is ready to be positively brought into a locked position upon closing said lid.
  • the release effort thereof is with existing solutions definitely is too high for a child entrapped like this.
  • the weight of the trunk lid is such that even if a person who is entrapped manages to release the direct pawl, he or she may not realise that the trunk lid has been released since it stays in the same position in spite of the release due to its weight and maybe also due to failing lifting means.
  • the weight of the trunk lid may also be larger than the weight thereof itself, due to for instance snow piling upon the outside of the lid.
  • the aim is to reduce said effort to a level on or around one fifth the level of existing solutions. This level represents an effort that more or less equals forces such as sealing forces and tolerances of the vehicle structure itself and cannot with foreseeable means be further minimized.
  • said trunk lid latch device comprise an opening/unlocking sub device, having elastic biasing means as well as a releasable pawl for the capture and storage of potential energy, the sub device being connected to an arrangement in the compartment of said vehicle for the release of said pawl, to thereby upon release of said claw, simultaneously and momentarily also release the energy stored in the opening/unlocking device against either said lid or part of the structure of the vehicle, to positively be able to force said lid to a visibly open position.
  • Said opening/unlocking sub device comprise a pop-up bar, part of which is encircled by a coil spring acting between a part of a trunk lid or a part of the structure of the vehicle and an abutment on said bar, said abutment acting both as such to said spring and as an abutment to said release pawl.
  • the device according to the invention includes a block bar which automatically blocks said sub device in an open position for the trunk lid.
  • a slumbering device is achieved, which is possible to activate only should a person become entrapped inside a trunk.
  • the sub device will provide an elimination of the risk for entrapment also in a car on a scrap yard, since no electricity is required for it to work.
  • a trunk lid latch device 1 comprise a mount 2, on which a pivotable claw 3 is mounted. Said claw 3, encircles a striker 4 in a locked condition for said trunk lid (not shown).
  • the latch mechanism 1 in a position as is shown here, may very well be mounted on a lower rear part of a vehicle structure, i.e. a part of the vehicular body. As is also conventional in for instance cars, said deice 1 is also, if turned upside down, easy to imagine mounted in a lower rear part of said trunk lid.
  • the claw 3 is by use of a spring (not shown) on its pivot shaft biased to unloaded take a position corresponding an opened trunk lid:
  • said mount 2 has a primary release pawl 5, which like said claw 3 is biased by a spring (not shown), to here take a position where a pawl portion 6 thereof normally is situated and may slide along a periferal portion 7 of the claw 3, to eventually upon closing the trunk lid engage a notch 8 along said portion 7.
  • a pivotable point of fixation for a block bar 10 is situated in the vicinity of said notch 8, more or less in the middle between the same and a point of pivotation 9 for said claw 3, a pivotable point of fixation for a block bar 10 is situated.
  • the mounting 2 also includes a pop-up bar 11, which is arranged to be able to be positively expelled by a forceful spring 12 at wish.
  • the block bar 10 interacts with the pop-up bar 11 in that the block bar 10, when a trunk lid to which the latch mechanism 1 is applied is open, hinders the activation of said pop-up bar 11 in order to avoid otherwise possible accidents.
  • the primary release pawl 5, comprise two different actuation means, a first lever 13 and a second lever 14. Said first lever 13 is to be actuated by an electromagnetic release piston 16. The other, second lever 14 is to be actuated by the pop-up bar 11 upon actuation thereof. By its design it may be said to be neutral with regard to possible g-forces in the event of a side-impact accident.
  • the pop-up bar 11 has for its release a secondary release pawl 16, biased toward a position keeping the pop-up bar in a ready to release state, by a spring (not shown) on its shaft.
  • the secondary pawl 16 is for its release connected to a relatively stiff cable 17, having a sling or a loop 18 at its end for gripping purposes. Said sling 18 is made fluorescent and is supposed to be led from said latch mechanism 1 through the upholstery of the trunk or trunk lid, depending on its application, to be easy to find and grasp in the event of an entrapment occurring.
  • FIG 2 a somewhat different embodiment of the sub device 11, 11a, 12, 12a according to the invention is shown.
  • a trunk lid latch mechanism generically between the embodiments denoted 1, has a striker 4a, a claw 3a and a primary release pawl 5a.
  • said primary pawl 5a is independently movable in relation to a secondary release pawl 16a, which against an abutment 20 keeps a pop-up bar 11, 11a, which in turn is biased by a spring 12, 12a, in a resting ready-to-release state.
  • Both said release pawls 5a, 16a are like according to the first embodiment biased by springs (not shown), arranged on the respective shafts around which each pawl is able to pivot upon actuation thereof.
  • the pop-up bars of each said latch mechanisms may comprise an impact spring (not shown) at the outer end of each bar, that minimizes the beating force of the pop-up bar 11 and 11 a respectively, when it hits against its counterparts in either the trunk lid or trunk structure, depending upon its mount. In both cases said beating force will generate a loud noise to verify that the lid has been released from its locked and closed position.
  • Each said trunk lid latch device 1 or 1a works in more or less the same fashion.
  • the normal service thereof includes the cooperation between the striker 4 and its claw 5, as a counterpart.
  • the claw 3 When the trunk lid is open the claw 3 is situated in its released state with the block bar 10 in a position penetrating the lower end (in the figure) of the pop-up bar 11. By this penetration by the block bar 10, an unintentional release of the pop-up bar is never possible.
  • the block-bar 10 gives the sub device 11, 11a; 12, 12a according to the invention a slumbering character by introducing this safety feature.
  • a normal opening of the trunk lid is affected through actuation of the release piston, which may be either mechanically or electrically triggered or both.
  • the piston 15 acts on the lever 13, to force the primary release pawl 5 out of its notch 8, upon which the claw 3 firstly moves counter clockwise to release from the pawl and secondly turns to move clockwise.
  • said mount 2 also comprise two sturdy jaws 19. As is conventional in latch mechanisms of this kind, these jaws will, if necessary, steer the trunk lid into position for locking when thrusted towards the structure of the trunk lid opening, should the "angle of attack" of the trunk lid be defective in any way.
  • the cable 17 is due to its fluorescent appearance clearly visibly arranged in the vicinity of the latch mechanism 1.
  • the cable 17 in turn pulls the secondary release pawl 16, which frees pop-up bar to an extension necessary to engage with the second lever 14 of the primary pawl 5.
  • the claw 3 pivots the claw 3 some degrees counter-clockwise to an extent necessary to release the same and consequently unlock the trunk lid while it some infinitesimal time unit thereafter also frees the block bar 10 from its engagement with the pop-up bar 11.
  • the pop-up bar 11 is thereafter expelled whereby it forcefully while initially generating said loud noise lifts the trunk lid from the structure of the trunk lid opening, irrespective of a possible snow load (or the like) on top of the lid or not.
  • the trunk lid is thereby opened to an extent that it becomes visible that it is opened and the entrapped person may exit.
  • Fig 2 the function of the device shown there is in accordance with the following.
  • the claw 3a In a locked condition the claw 3a encircles its striker 4a.
  • the primary pawl 5a To release said claw 3a from its engagement with the striker 4a the primary pawl 5a must be pivoted counter clockwise around its point of pivot. When released, the claw 3a no longer keep the primary pawl 5a in a locked position, thus the same releases from the striker 4a.
  • the secondary pawl 16a is instead freed from its engagement with the pop-up bar 11 a. Following the release thereof, the same starts to accelerate and in that process it affects the primary pawl 5a in the same fashion as it is positively affected during a normal opening of the trunk lid.
  • the claw 3a almost instantaneously changes position to free the trunk lid, while at the same time the pop-up bar 11a continues to accelerate to push up the trunk lid to an open position, independent of whether it is loaded with for instance snow or else matter.
  • the active end (maybe "free end” in an expelled condition) of the pop-up bar 11, 11a must not be arranged in contact with its counterpart, the trunk lid (not shown) or the structure of the trunk lid opening, but close thereto to while still generating a loud noise confirming that the lid has been opened as pointed out above, to thereby minimize the size in the impact against said counterpart.
  • the device as described provides three feedbacks; sound; movement and a visual opening of the trunk lid. It should finally clearly be noted that two criteria must be fulfilled to activate the device according to the invention:

Landscapes

  • Superstructure Of Vehicle (AREA)
  • Lock And Its Accessories (AREA)
EP20020013659 2002-06-20 2002-06-20 Serrure pour véhicule Expired - Fee Related EP1375792B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20020013659 EP1375792B1 (fr) 2002-06-20 2002-06-20 Serrure pour véhicule
DE2002625256 DE60225256T2 (de) 2002-06-20 2002-06-20 Verriegelungsvorrichtung für Fahrzeuge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20020013659 EP1375792B1 (fr) 2002-06-20 2002-06-20 Serrure pour véhicule

Publications (2)

Publication Number Publication Date
EP1375792A1 true EP1375792A1 (fr) 2004-01-02
EP1375792B1 EP1375792B1 (fr) 2008-02-27

Family

ID=29716803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020013659 Expired - Fee Related EP1375792B1 (fr) 2002-06-20 2002-06-20 Serrure pour véhicule

Country Status (2)

Country Link
EP (1) EP1375792B1 (fr)
DE (1) DE60225256T2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004011798B3 (de) * 2004-03-11 2005-10-13 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schloss, insbesondere für Fahrzeugtüren, -klappen oder dergleichen
DE102007029679A1 (de) * 2007-06-27 2009-01-02 Audi Ag Betätigungssystem für einen Fahrzeugflügel und Notentriegelungssystem
CN110145191A (zh) * 2019-06-13 2019-08-20 威马智慧出行科技（上海）有限公司 锁扣装置及汽车

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5445326A (en) * 1993-12-21 1995-08-29 Ferro; Joseph Emergency trunk interior release latch
US6135514A (en) * 1999-09-13 2000-10-24 Delphi Technologies, Inc. Automotive vehicle storage compartment release mechanism
US6149210A (en) * 1996-12-10 2000-11-21 Atoma International Corporation Hood latch for an engine compartment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5445326A (en) * 1993-12-21 1995-08-29 Ferro; Joseph Emergency trunk interior release latch
US6149210A (en) * 1996-12-10 2000-11-21 Atoma International Corporation Hood latch for an engine compartment
US6135514A (en) * 1999-09-13 2000-10-24 Delphi Technologies, Inc. Automotive vehicle storage compartment release mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004011798B3 (de) * 2004-03-11 2005-10-13 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schloss, insbesondere für Fahrzeugtüren, -klappen oder dergleichen
DE102007029679A1 (de) * 2007-06-27 2009-01-02 Audi Ag Betätigungssystem für einen Fahrzeugflügel und Notentriegelungssystem
DE102007029679B4 (de) * 2007-06-27 2012-09-27 Audi Ag Betätigungssystem für einen Fahrzeugflügel und Notentriegelungssystem
CN110145191A (zh) * 2019-06-13 2019-08-20 威马智慧出行科技（上海）有限公司 锁扣装置及汽车
CN110145191B (zh) * 2019-06-13 2020-10-02 威马智慧出行科技（上海）有限公司 锁扣装置及汽车

Also Published As

Publication number Publication date
EP1375792B1 (fr) 2008-02-27
DE60225256T2 (de) 2009-02-19
DE60225256D1 (de) 2008-04-10

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