EP2792829A2 - Fahrzeugtürverschlusssystem - Google Patents

Fahrzeugtürverschlusssystem Download PDF

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Publication number
EP2792829A2
EP2792829A2 EP14150830.9A EP14150830A EP2792829A2 EP 2792829 A2 EP2792829 A2 EP 2792829A2 EP 14150830 A EP14150830 A EP 14150830A EP 2792829 A2 EP2792829 A2 EP 2792829A2
Authority
EP
European Patent Office
Prior art keywords
latch
pawl
claw
lever
lock
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
EP14150830.9A
Other languages
English (en)
French (fr)
Other versions
EP2792829A3 (de
EP2792829B1 (de
Inventor
Tametani Yoshihiko
Takaya Kuriyama
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.)
Inteva Products LLC
Original Assignee
Inteva Products 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
Priority claimed from CN201310130022.5A external-priority patent/CN104100155B/zh
Priority claimed from CN201320188710.2U external-priority patent/CN203879155U/zh
Application filed by Inteva Products LLC filed Critical Inteva Products LLC
Publication of EP2792829A2 publication Critical patent/EP2792829A2/de
Publication of EP2792829A3 publication Critical patent/EP2792829A3/de
Application granted granted Critical
Publication of EP2792829B1 publication Critical patent/EP2792829B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/04—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings
    • 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
    • E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
    • E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
    • E05B77/26—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety
    • 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
    • E05B77/36—Noise prevention; Anti-rattling means
    • E05B77/38—Cushion elements, elastic guiding elements or holding elements, e.g. for cushioning or damping the impact of the bolt against the striker during closing of the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
    • 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
    • E05B83/36—Locks for passenger or like doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/04—Strikers
    • E05B85/045—Strikers for bifurcated bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/26—Cooperation between bolts and detents
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/34—Details of the actuator transmission of geared transmissions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/02—Lock casings

Definitions

  • Exemplary embodiments of the present invention relate generally to a vehicle door latch system or latch and more particularly, various component and features of a door latch alone or in combination.
  • a vehicle closure such as a door for a vehicle passenger compartment, is hinged to swing between open and closed positions (e.g., passenger and driver side doors, lift gates, etc.) or slide between an open and closed position along a guide track (e.g., sliding doors for vans) and conventionally includes a door latch.
  • the door latch functions in a well-known manner to latch the door when it is closed and to lock the door in the closed position or to unlock and unlatch the door so that the door can be opened manually or powered.
  • the door latch can also operated remotely from inside the passenger compartment by at least two distinct operators, a sill button that controls the lock mechanism and an inside door handle that controls the release mechanism.
  • Vehicle door latches may also include power door locks in which the lock mechanism is motor driven and/or a keyless entry in which a key fob transmitter sends a signal to a receiver in the vehicle to operate a motor driven lock mechanism.
  • a latch in yet another embodiment, includes: a pawl lifter configured to transmit forces to the pawl, wherein the pawl lifter engages the pawl a top and bottom feature and the pawl is not over molded, wherein the top and bottom features prevent metal contact of the pawl with a retention plate of the latch
  • a latch in yet another embodiment, includes: a claw spring configured to provide a biasing force to the claw for an opening movement and an ajar lever for movement away from a door ajar switch, the door ajar switch being configured to be actuated by the ajar lever when the claw moves into the closed position, wherein the claw is configured to have a cam surface configured to contact the ajar lever when the claw moves into the closed position.
  • a latch in yet another embodiment, includes: a single lock/unlock spring configured to move a release link of the latch between a first position wherein the release link will not contact the pawl lifter when an outside release lever is moved and a second position wherein the release link will contact the pawl lifter when the outside release lever is moved and thus move the pawl into the released position and a lock link between a lock position wherein the inside release lever will not contact the lock link and transfer forces to the pawl lifter and the pawl and an unlock position wherein the inside release lever will contact the lock link and transfer forces to the pawl lifter and the pawl.
  • a latch in yet another embodiment, is provided wherein the latch includes: a child barrel that is rotationally mounted to the latch, wherein rotational movement of the child barrel will contact the lock link and move it upward and thus disconnect it from the inside release lever so that movement of the inside release lever will not be translated to the pawl lifter and thus the latch will not be become unlatched and a lock/unlock function of the lock link will also be disabled when the child barrel is rotated into a "child on" position.
  • a latch is provided wherein an actuator package of the latch is located in a free space area of an engagement function area of the latch.
  • a terminal design is provided here the terminal is stripped when it is straight to minimize material loss and to provide a notch in the terminal in order to allow it to be bent in one direction or the other.
  • a vehicle latch is provided.
  • a method of operating or manufacturing a latch as described hereinbefore with reference to the figures is provided.
  • the method may include any combination of the features illustrated and described herein or as little as one of these features can be optionally included.
  • Exemplary embodiments of the present invention are directed to a vehicle door latch system or vehicle latch and various features thereof either alone or in combination.
  • FIG. 1 an exploded view of a latch or vehicle door latch or vehicle door latch system 10 in accordance with an exemplary embodiment of the present invention is provided.
  • the vehicle door latch system or latch 10 in one embodiment may be used with a side door of a vehicle wherein the latch is mounted either to the door or a frame proximate to a door opening and is configured to releasably receive and retain a striker 9 that is secured to either the door or a frame proximate to the door opening depending on where the latch 10 is mounted.
  • a striker 9 that is secured to either the door or a frame proximate to the door opening depending on where the latch 10 is mounted.
  • embodiments of various embodiments of the present invention can be incorporated into other latches or latch assemblies which are used in other applications (e.g., lift gates, trunks, etc.).
  • the latch 10 has a plate or retention plate 12.
  • a claw 14 and a pawl 16 are each being pivotally or rotationally mounted to the latch 10 or the retention plate 12 of the latch.
  • the claw 14 is made from metal over molded in plastic.
  • the claw 14 and the pawl 16 are pivotally mounted to the latch 10 and in particular the retention plate 12 by studs 18 and 20 respectively.
  • the claw 14 is biased in the direction indicated by arrow 22 by a spring 24 and the pawl 16 is biased in the direction indicated by arrow 26 into engagement with the claw 14 by a spring 28.
  • the claw 14 has slot or throat 30 configured for receiving and retaining a striker 9 located on a complementary vehicle component, such as a door or a frame proximate to an opening for the door.
  • the claw 14 additionally includes a primary shoulder 32 and an intermediate secondary shoulder 34.
  • the pawl 16 has a feature or catch 35 configured to positively engage each of the primary and secondary latch shoulders 32 and 34 to hold the claw 14 against the bias of the spring 24 in either a primary or closed position and a secondary or intermediate latched position respectively.
  • the claw 14 is configured to transition from an open position, wherein the slot or opening 30 allows a striker 9 to be released from an opening in the latch, as well as receive the striker from the opening in the latch and transition from the open position to the primary or closed position.
  • the intermediary position or secondary position is a position between the primary or closed position and the open position, wherein the pawl 16 engages the claw 14.
  • the pawl 16 will also be configured to move from a first position or engagement positions, wherein feature or catch 35 engages the primary and secondary latch shoulders 32 and 34 to a second or released position, wherein the feature or catch 35 no longer engages the primary and secondary latch shoulders 32 and 34.
  • the latch or door latch 10 will further comprise a variety of mechanisms in order to transition the claw 14 between the primary, secondary and open positions as well as preventing movement therefrom. In addition, these mechanisms may also be configured to inhibit or cause movement of the pawl 16. Each of these mechanisms are optional features in that the latch 10 may comprise only one of the disclosed mechanisms, any combination of the disclosed mechanism including but not limited to all of the disclosed mechanisms. In addition many of these mechanisms are configured as a dual purpose mechanism or dual function component in that the single mechanism or component is capable of being used in two features of the latch or provides two functions in the latch.
  • a pawl lifter 36 that is mounted to the pawl 16 and pawl stub 20.
  • a housing 38 and cover 40 are also illustrated. Additional components of a key lever 42, a release link 44, a sleeve 46, an actuator screw 48, a striker buffer 50, a release spring 52, a lock/unlock spring 54, an outside release lever 56, a back plate 58, a locking lever 60, a lock link inside handle (IH) 62, an ajar lever 64, a child barrel 68, a clip 70, terminals 72, foam 74, a connector 76, an actuator base 78, an ajar switch 80, a lock switch 82, an assist spring 84, a worm wheel 86, a motor 88, a worm gear 90, a master lock link 92, a sill lever 94, an inside release lever 96, an inside release spring 98, an actuator support 100, an inside cable 102, a
  • FIG. 2 components of a general retention mechanism 108 of the latch 10 are illustrated. As illustrated in FIG. 2 , the claw 14 is in the closed or primary position and the pawl 16 is engaging the claw in order to prevent the claw from rotating in the direction of arrow 22.
  • FIGS. 3 and 4 illustrate the housing 38 with the retention mechanism 108 installed therein.
  • FIG. 3 is a top perspective view while FIG. 4 is a bottom perspective view. Also shown is the opening, engagement area or fish mouth opening 110 that is configured to receive the striker therein for engagement with the claw 18.
  • FIG. 5 illustrates components of an inside and outside release mechanism 112 while FIGS. 6 and 7 illustrate the release mechanism 112 and a lock mechanism 114 on the housing 38.
  • the outside release lever 56 is at least operatively coupled to an outside handle 57 illustrated schematically. Coupling of the outside handle 57.
  • the outside release lever 56 and be facilitated by any suitable linkage such as a cable or rod etc.
  • the inside release lever 96 is also at least operatively coupled to an inside release handle 59 illustrated schematically via the inside cable 102 for example.
  • Outside release lever 56 is rotationally or pivotally mounted to the housing 38 as well as operatively coupled to the release link 44 such that rotational movement of outside release lever 56 via actuation of outside handle 57 will cause linear movement of release link 44, which depending on the position of the lock/unlock spring 54 will be translated to the pawl lifter 36 and cause rotational movement of the pawl lifter 36 and the pawl 16 so that claw 14 can be rotated or move into the open position.
  • the release link 44 is also movably mounted to the housing such that movement of the lock/unlock spring 54 will cause a distal end (opposite inside release lever 56) of the release link 44 to be moved such that coupling a decoupling of the release link 44 to the pawl lifter 36 can be facilitated.
  • the inside release lever 96 is rotatably or movably or pivotally mounted to the actuator support 100 in the direction of arrows 71 while the lock link 62 is slidably mounted to the housing for movement in the direction of arrow 73, as well as rotational movement in the direction of arrow 75.
  • the inside release lever 96 may or may not make contact with the lock link 62 as it rotated with respect to the housing 38. If the lock/unlock spring 54 is in the unlocked position, the lock link 62 will be positioned to be rotated when the inside release lever 96 is rotated.
  • the lock link 62 is also operatively coupled to pawl lifter 36 such that rotational movement of the lock link 62 will cause movement of the pawl lifter 36 and ultimately the pawl 16 such that the claw 14 will be capable of movement from the closed position to the open position.
  • FIG. 9 illustrates the electrical connection to the motor 88 of an actuator or actuator mechanism 116 of the latch 10.
  • FIG. 10 also illustrates the actuator mechanism 116.
  • FIG. 11 shows the actuator support 100 and the inside release lever 96 secured thereto while
  • FIG. 12 shows the actuator, actuator mechanism 116 secured to the actuator support 100 to provide an actuator module 118.
  • FIG. 13 illustrates the housing 38 with the retention mechanism 108 installed therein without the retention plate 12. Also, shown is a slot 120 for a backup lock and a hole or opening 122 to rotationally receive the child barrel 68 therein.
  • FIG. 14 shows the assembled latch 10.
  • FIGS. 15, 15A and 15B illustrate the pawl lifter 36 assembled to the pawl 16.
  • the function of the pawl lifter 36 is to transmit release operation from the inside and outside of the vehicle to the latch 10 via operator handles and to keep engagement with the pawl 16 via engagement with a top 124 and bottom 126 feature.
  • One advantage of this configuration is that is allows for the use of a non-overmolded pawl 16 since the pawl lifter 36 via the top and bottom features 124 and 126 prevent metal contact of the pawl 16 with the retention plate 12.
  • the pawl lifter 36 is easily installed by placing the same on the pawl stud 20 as well as the pawl 16.
  • the ajar lever 64 is pushed by a cam surface 128 of the claw 14 for example and when the claw rotates into the closed position, in the direction opposite of arrow 22 the cam surface or cam profile 128 makes contact with the ajar lever 64 and pushes it in the direction of arrow 129 into the door ajar switch 80 in order to change the state of the switch (AJAR On).
  • the ajar lever 64 is rotationally or pivotally mounted to the latch 10 for movement about an axis 131. Also shown is that the cam surface 128 is positioned along a peripheral edge of the claw 14 such that as the claw rotates about claw stud 18 cam surface 128 will make contact with a portion of ajar lever 64.
  • the two legs of the single spring 28 illustrated in FIGS. 17A-17D are each secured to one of the claw 14 and a portion of the ajar lever 64 in order to serve the dual purpose of 1) biasing the claw 14 in the open direction while simultaneously biasing the ajar lever 64 away from the ajar switch 80.
  • the use of this single spring 28 eliminates the need for a separate additional spring for either the claw 14 or the ajar lever 64.
  • the cam surface 128 overcomes the biasing force of the spring 28 and pushes the ajar lever 64 into contact with the ajar switch 80 and actuate the same in order to indicate the change of state of the latch 10.
  • FIGS. 18E-18J wherein movement of the spring 54 between a position corresponding to a lock position FIGS. 18E-18G and an unlocked position FIGS. 18H-18J is illustrated.
  • FIG. 18F illustrates that the lock spring 54 is in the locked position and the outside release link or release link 44 will not contact the pawl lifter 36 when the outside release lever 56 is actuated. It being understood that the outside release lever 56 is operatively coupled to outside handle 57 and release link 44 is operatively coupled to outside release lever 56 as well as being mounted to the housing 38 and operatively coupled to end 55 of the lock spring 54.
  • FIG. 18G also illustrates that the lock spring is in the locked position and the inside release lever 96 will not contact the lock link 62.
  • this single spring 54 eliminates the need for a separate additional spring for either the release link 44 or the lock link 62.
  • This single spring 54 can operate the outside and inside locking features independently or simultaneously.
  • the single spring 54 can be used to operate with a single pull open (SPO) latch, wherein the lock link 62 is always an unlocked position, as well as being used with a double pull open (DPO) wherein the first pull transition the lock link from a locked position to a unlocked position such that the second pawl will then open the latch 10.
  • SPO single pull open
  • DPO double pull open
  • the single spring 54 can also be used with a child safety feature.
  • the child barrel 68 has a leg portion 85, with a distal and 87, that has a cam surface or other equivalent feature configured to make contact with an arm member or surface 89 of the lock link 62. Also shown is an arm member 97 that provides a detent feature to the child barrel 68 or child safety feature in the "child on” and “child off” positions, which also provides a switch feeling to the child barrel or child safety feature as it is rotated.
  • FIG. 20 shows a latch 10 without the child safety feature (e.g., child barrel 68 not installed into opening 122) while FIG. 20A shows the latch 10, with the child safety feature installed (e.g., child barrel 68 rotationally received within opening 122).
  • the child safety feature e.g., child barrel 68 not installed into opening 122
  • FIG. 20A shows the latch 10, with the child safety feature installed (e.g., child barrel 68 rotationally received within opening 122).
  • FIGS. 20B-20D illustrate an alternative embodiment wherein the child safety feature is provided via a lever type mechanism 91 pivotally mounted to the housing 38 of latch 10.
  • pivotal movement of the lever in the direction of arrow 93 will cause the lock link 62 to move upward in the direction of arrow 95 and thus position the lock link 62 in the "child on” position such that actuation of the inside release lever 96 will not be transferred to the pawl 16 thus, the latch 10 remains in a latched state (See FIG. 20C ).
  • the lever 91 In order to transition the latch 10 into the "child off” state, the lever 91 is moved in a direction opposite to arrow 93 and thus the lock link 62 to move downward in a direction opposite to arrow 95 such that opening forces can be found transferred to pawl 16 for example, actuation of the inside release lever 96 (See FIG. 20D .
  • the driver's side may be on either side of the vehicle and thus may utilize a left hand or alternatively a right hand latch 10. In order to accommodate this, typically two distinctly separate key levers where required.
  • a single key lever 42 or no handed key lever 42 is used.
  • the key lever 42 is symmetrical on both sides (see FIGS. 22A-22C ) and thus if it is required for a left hand latch the key lever 42 is installed in one orientation and if a right hand latch is required the key lever 42 is simply inverted (See FIGS. 21A and 21B as well as FIGS. 22A-22C ) wherein the key lever 42 is simply inverted depending on the latch 10 it is used in.
  • the key lever 42 is symmetrical at the center line 99, this design allows the same component to be used in two sides of the vehicle door latch 10 (e.g., left hand and right hand). Another advantage is the use of a single mold to mold the key lever 42, reducing the cost of the tooling and the component.
  • the key lever 42 typically used in a driver's side door normally however, right hand and left hand latch volumes are not same world wide and thus the symmetrical design allows for the same components to be used.
  • FIGS. 21A and 21B show the same key lever 42 being movably mounted to both a right-hand latch 10 and a left hand latch 10, wherein the key lever 42 is simply inverted about its center line 99.
  • FIGS. 23A-23F another exemplary embodiment of the present invention is illustrated.
  • the outside release lever 56 and the release link 44 are also designed to be no-handed or in other words capable of being used in both a right handed latch 10 ( FIG. 23A, 23D ) and a left handed latch 10 ( FIG. 23B, 23C ).
  • this reduces tooling costs and allows for elimination of parts as there is a single part instead of two.
  • the outside release lever 56 similar to the key lever 42 is simply inverted and secured to the latch 10 depending on whether the latch is a right-handed latch or left-handed latch.
  • the actuator package is located in the free space of the engagement function area.
  • the three illustrated zones electric function 140, mechanical operation 142 and engagement function 144 are optimized to use space for compact packaging within retention size.
  • FIGS. 26A-27B yet another alternative embodiment is illustrated.
  • a terminal design is implemented. First the terminal 72 is stripped when it is straight to minimize material loss and provide a notch 146 in order to allow for bending of the terminal 72 in one direction or the other. Once again, this allows for use in both left hand and right hand latch applications.
  • the lock link 62 function is to enable and disable inside release connection such that the lock link 62 has contact with inside release lever 96 when release operation at unlock and to keep unlock condition during release operation.
  • the lock link 62 is configured to provide multiple functions for example operation with the inside release 96, wherein movement of an inside handle opens the latch 10 (see arrows 150) wherein movement of the inside release lever 96, rotates the lock link 62 which in turn rotates the pawl lifter 36, which in turn move the pawl 16. This occurs at a contact area 152 between the inside release lever 96 and the lock link 62.
  • the lock link 62 moves up and down as illustrated in the arrows of FIG. 29C , the contact between the inside release lever 96 and the lock link 62 may not occur (e.g., lock condition or child on condition).
  • the lock link 62 is used in three functions, 1) lock/unlock, wherein coupling of the inside release lever 96 to the lock link is either enabled or disabled 2) child on and child off wherein movement of a child barrel 68 moves the lock link and enables or disables both a release function (e.g., pulling of the inside handle) and lock functions unlocking of the latch. Accordingly, all three of these functions are provided by a single configuration.
  • the child barrel 68 is located in an opening 122 in the fish mouth or area 110 configured to receive the striker. This feature will not require a child safety on an inner panel of the latch 10.
  • the rotational movement of the child barrel 68 operated to cancel or disable the inside release operation.
  • One advantage of this design is a much easier layout for a rear door latch and the same provides for easy assembly without damage, no logistic damage and/or unintended actuator or operation.
  • the lever 91 is utilized for the child safety feature, the location of lever 91 is illustrated in FIG. 30 . It being understood that either lever 91 or child barrel 68 is contemplated.
  • a vehicle door latch comprising: a lock/unlock switch, whereint the lock/unlock switch is located in close proximity to an ajar switch of the latch such that common terminals may be utilized by both the lock/unlock switch and the ajar switch.
  • a vehicle door latch comprising: a lock link, wherein the lock link of the latch is configured to have a small profile or stroke so that only a slight movement is necessary to transition the lock link from a locked position to an unlocked position.
  • a vehicle door latch wherein a housing or actuator support of the latch are manufactured using engineering plastic such as polybutylene terephthalate (PBT) a thermoplastic engineering polymer PBT or polyoxymethylene (POM), also known as acetal, polyacetal and polyformaldehyde and other housing components of the latch not requiring additional reinforcement in the plastic housing are formed with a thermoplastic such as polypropylene (PP).
  • PBT polybutylene terephthalate
  • POM polyoxymethylene
  • acetal, polyacetal and polyformaldehyde and other housing components of the latch not requiring additional reinforcement in the plastic housing are formed with a thermoplastic such as polypropylene (PP).
  • PP polypropylene
  • the latch 10 disclosed herein may include any combination of the features illustrated and described herein or as little as one of these features can be optionally included.

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  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
EP14150830.9A 2013-04-15 2014-01-10 Fahrzeugtürverschlusssystem Not-in-force EP2792829B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310130022.5A CN104100155B (zh) 2013-04-15 2013-04-15 车门锁系统
CN201320188710.2U CN203879155U (zh) 2013-04-15 2013-04-15 一种车门锁

Publications (3)

Publication Number Publication Date
EP2792829A2 true EP2792829A2 (de) 2014-10-22
EP2792829A3 EP2792829A3 (de) 2016-10-19
EP2792829B1 EP2792829B1 (de) 2018-02-28

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Application Number Title Priority Date Filing Date
EP14150830.9A Not-in-force EP2792829B1 (de) 2013-04-15 2014-01-10 Fahrzeugtürverschlusssystem

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EP (1) EP2792829B1 (de)
WO (1) WO2014172187A1 (de)

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JP2016121514A (ja) * 2014-12-25 2016-07-07 三井金属アクト株式会社 車両ドアラッチ装置のラッチアッシー
CN106193845A (zh) * 2015-04-30 2016-12-07 开开特股份公司 带有棘爪的机动车锁壳体
WO2017054790A1 (de) * 2014-12-18 2017-04-06 Kiekert Ag Kraftfahrzeugschloss
EP3214241A4 (de) * 2014-10-29 2018-07-11 Mitsui Kinzoku ACT Corporation Fahrzeugtürverriegelungsvorrichtung
US20180230722A1 (en) * 2017-02-08 2018-08-16 Inteva Products, Llc Apparatus and method for uniform release effort in a vehicle latch
US11214989B2 (en) 2015-10-02 2022-01-04 Kiekert Ag Motor vehicle lock
CN115341815A (zh) * 2021-05-14 2022-11-15 恩坦华汽车零部件（镇江）有限公司 车门闩锁

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CN108457539A (zh) * 2018-05-29 2018-08-28 昆山睿唯景汽车科技有限公司 汽车电动门锁的安全自锁机构

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EP3214241A4 (de) * 2014-10-29 2018-07-11 Mitsui Kinzoku ACT Corporation Fahrzeugtürverriegelungsvorrichtung
US10612276B2 (en) 2014-10-29 2020-04-07 Mitsui Kinzoku Act Corporation Vehicle door latch device
WO2017054790A1 (de) * 2014-12-18 2017-04-06 Kiekert Ag Kraftfahrzeugschloss
JP2016121514A (ja) * 2014-12-25 2016-07-07 三井金属アクト株式会社 車両ドアラッチ装置のラッチアッシー
CN106193845A (zh) * 2015-04-30 2016-12-07 开开特股份公司 带有棘爪的机动车锁壳体
CN106193845B (zh) * 2015-04-30 2019-02-05 开开特股份公司 带有棘爪的机动车锁壳体
US11214989B2 (en) 2015-10-02 2022-01-04 Kiekert Ag Motor vehicle lock
US20180230722A1 (en) * 2017-02-08 2018-08-16 Inteva Products, Llc Apparatus and method for uniform release effort in a vehicle latch
CN115341815A (zh) * 2021-05-14 2022-11-15 恩坦华汽车零部件（镇江）有限公司 车门闩锁
CN115341815B (zh) * 2021-05-14 2024-03-15 恩坦华汽车零部件（镇江）有限公司 车门闩锁

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WO2014172187A1 (en) 2014-10-23
EP2792829B1 (de) 2018-02-28

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