Double locking vehicle door latch

Details Double locking vehicle door latch Double locking vehicle door latch

1994-12-30

1996-12-17

Lindsey, Rodney M.

Closure fasteners

Bolts

Swinging

292DIG27, E05C 306

Patent

active

055845150

ABSTRACT:
A vehicle door latch assembly including a lock mechanism actuatable between a locked and unlocked condition and providing a double locking feature. The lock mechanism includes a first locking member adapted to selectively rotate about a first axis between locked and unlocked positions respectively corresponding to the locked and unlocked conditions of the latch mechanism. A second locking member is provided which is adapted to rotate about the first axis adjacent to the first locking member. The first and second locking members may be selectively coupled and uncoupled. When coupled, the second locking member may be selectively rotated about the first axis to move the first locking member between the locked and unlocked positions. When uncoupled, the first locking member is operable to move between the locked and unlocked positions independently of the second locking member. A control member is moveable axially to couple the first and second locking members. The control member is provided with a cam surface which cooperates with another cam surface on a gear to produce the axial movement of the control member required for coupling and uncoupling of the first and second locking members.

REFERENCES:
patent: 3365226 (1968-01-01), Shay
patent: 3679251 (1972-07-01), Brockman et al.
patent: 4364249 (1982-12-01), Kleefeldt
patent: 4966266 (1990-10-01), Yamada et al.
patent: 4974886 (1990-12-01), Kleefeldt et al.
patent: 4978154 (1990-12-01), Kleefeldt et al.
patent: 4986098 (1991-01-01), Fisher
patent: 5106133 (1992-04-01), Fukumoto et al.
patent: 5454608 (1995-10-01), Dzurko et al.

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