Vehicle door latch with cinching mechanism

Details Vehicle door latch with cinching mechanism Vehicle door latch with cinching mechanism

1998-06-26

2000-04-25

Boucher, Darnell M.

Closure fasteners

Bolts

Swinging

292216, 292DIG23, 292DIG27, E05C 306

Patent

active

060535423

ABSTRACT:
A vehicle door latch has a rotatable forkbolt that is latched by a detent in a primary or an intermediate secondary latch position. The detent is operated via an intermittent lever that is operated by a transfer lever that is actuated by inside and outside door handles via suitable mechanical linkage. The door latch includes a locking lever that disables the door handles from operating the intermittent lever when it is in the locked position. The door latch also includes a cinching mechanism that automatically engages the forkbolt in the primary latch position when the intermediate secondary latch position is reached. The cinching mechanism includes a link that has one end connected to a cinch pawl and another end connected to the latch assembly. The link pulls on the pawl to disengage it from a cinching gear to allow the cinching gear to return to the standby or home position during an unlatching operation.

REFERENCES:
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patent: 5232253 (1993-08-01), Tamiya
patent: 5277461 (1994-01-01), Dzurko et al.
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patent: 5466021 (1995-11-01), Ishihara et al.
patent: 5520425 (1996-05-01), Dowling
patent: 5522626 (1996-06-01), Dominique
patent: 5564761 (1996-10-01), Mizuki et al.
patent: 5639130 (1997-06-01), Rogers, Jr. et al.
patent: 5785364 (1998-07-01), Kleefeldt et al.

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