[특허]Vehicle door lock system providing a plurality of spaced rotary latches

The Eastern Company (Cleveland OH 02)

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특허 상세정보

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Vehicle door lock system providing a plurality of spaced rotary latches

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05C-009/00
미국특허분류(USC)	292/48 ; 70/264 ; 292/216
출원번호	US-0303972 (1989-01-30)
발명자 / 주소	Swan Jye P. (Brunswick Hills OH) Weinerman Lee S. (Medina OH) Vargus Joel T. (Middleburg Hts. OH)
출원인 / 주소	The Eastern Company (Cleveland OH 02)
인용정보	피인용 횟수 : 32 인용 특허 : 23

초록
▼

A vehicle door lock system includes interior and exterior handle assemblies that are accessible, respectively, from interior and exterior sides of a vehicle door on which the door lock system is mounted. The system includes a plurality of rotary latches that are configured to releasably engage door-frame-mounted strikers to “latch”and “unlatch”the door, and a latch interconnection linkage for effecting concurrent unlatching of the rotary latches. The door is “locked”and “unlocked”by selectively enabling and disabling at least one driving connection between at least one of the handle assemblies and separate latch release arms that are arranged to operate a selected one of the rotary latches. In preferred practice, locking and unlocking of the door are effected either by operating an exterior key cylinder, or by operating an interior sill button.

대표
청구항
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A door lock system for a vehicle door that closes an access opening of a vehicle body, for securely latching the door in a closed position, and for locking the closed latched door, the system comprising: (a) striker means including a plurality of striker members for attachment to a vehicle body at a plurality of spaced striker locations near an access opening of the vehicle body that is closable by a door of the vehicle; (b) rotary latch means including a plurality of rotary latch units for attachment to the vehicle door at a plurality of spaced latch locations for rendering the door “latched ”as by latchingly engaging the striker means for securely latching the vehicle door in a closed position, with the latch locations each being adjacent a separate one of the striker locations when the vehicle door is closed, and with each of the rotary latch units latchingly engaging a separate one of the striker members when the door is closed; (c) latch operator means for attachment to the vehicle door, including: (i) first operator means connected to the vehicle door at a first operator location which is spaced from each of the latch locations, with the first operator means being movable at the first operator location between a first normal position and a first latch operating position; and, (ii) second operator means connected to the vehicle door at a second operator location which is spaced from each of the latch locations, with the second operator means being movable at the second operator location between a second normal position and a second latch operating position; (d) latch unit interconnection means for drivingly interconnecting the rotary latch units to effect concurrent unlatching of the rotary latch units from latching engagement with their associated striker members; (e) connection means for establishing a driving connection between the latch operator means and a selected one of the rotary latch units to normally enable the latch operator means to “unlatch”the door as by releasing the selected rotary latch unit from latchingly engaging its associated striker member and, through concurrent operation of the latch unit interconnection means, to release the other of the rotary latch units from latching engagement with their associated striker members to thereby enable the vehicle door to be moved from its closed position, the connection means including: (i) first linkage means that extends along a first path from the first operator location to the latch location of the selected rotary latch unit, and with the first linkage means being drivingly connected to the first operator means at the first operator location and to the selected rotary latch unit at its latch location for normally establishing a driving connection that extends along the first path for enabling the first operator means to unlatch the door as by causing the rotary latch means to withdraw latching engagement of the rotary latch means with the striker means and to thereby unlatch the door in response to movement of the first operator means between the first normal position and the first latch operation position; and, (ii) second linkage means that extends along a second path from the second operator location to the latch location of the selected rotary latch unit, and with the second linkage means being drivingly connected to the second operator means at the second operator location and to the selected rotary latch unit at its latch location for normally establishing a driving connection that extends along the second path for enabling the second operator means to unlatch the door as by causing the rotary latch means to withdraw latching engagement of the rotary latch means with the striker means and to thereby unlatch the door in response to the movement of the second operator means between the second normal position and the second latch operator position; (f) lock control means for selectively disabling the normal driving connection that is provided by the connection means between the first operator means and the selected rotary latch unit means when the door is latched and to thereby “lock”the closed latched door against being unlatched, including first control means for selectively preventing the first linkage means from enabling the first operator means to unlatch the rotary latch means from latching engagement with the striker means; (g) the first linkage means including a first release lever pivotally connected to the selected rotary latch unit for pivotal movement about a common axis between a first non-actuated position and a first release position for effecting unlatching of the selected rotary latch unit when the first release lever is pivoted to the first release position; (h) the second linkage means including a second release lever pivotally connected to the selected rotary latch unit for pivotal movement about said common axis between a second non-actuated position and a second release position for effecting unlatching of the selected rotary latch unit when the second release lever is pivoted to the second release position; (i) the rotary latch units other than the selected rotary latch unit each having a pawl that is pivotally movable to an unlatching position for effecting unlatching; (j) the latch unit interconnection means including drive link means including separate drive links drivingly connected to the pawls of each of said other rotary latch units for pivoting the pawls thereof to their unlatching positions in response to unlatching of their associated separate drive links; and, (k) the latch unit interconnection means additionally including an operating arm that is pivotally connected to the selected rotary latch means and to the drive link means for moving the drive link means to unlatch the other rotary latch means in response to pivotal movement of either of the first ad second release lever means into releasing engagement with the release means of the selected rotary latch.

이 특허에 인용된 특허 (23)

이 특허를 인용한 특허 피인용횟수: 32

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Vehicle door lock system providing a plurality of spaced rotary latches

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이 특허에 인용된 특허 (23)

이 특허를 인용한 특허 피인용횟수: 32

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Vehicle door lock system providing a plurality of spaced rotary latches

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이 특허에 인용된 특허 (23)

이 특허를 인용한 특허 피인용횟수: 32

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