Axially disengageable lock for a motor vehicle locking system

Details Axially disengageable lock for a motor vehicle locking system Axially disengageable lock for a motor vehicle locking system

1997-05-08

1998-03-31

Gall, Lloyd A.

Locks

Operating mechanism

Key

70360, 70379R, 70380, 70419, 70472, E05B 1704

Patent

active

057325804

ABSTRACT:
A motor vehicle door lock or the like comprises a locking mechanism for securing and releasing the door, operated by a lock which is disengageable from the locking mechanism. The disengageable lock comprises a stator, a tubular intermediate sleeve, a rotor operable by a key, and a control lever for actuating the locking mechanism. The control lever is coupled to the rotor through a driving sleeve. The lock also includes an indexer which is moveable axially between a rest, or engaged, position and a disengaged position when the intermediate sleeve is rotated during actuation of the rotor by an incorrect key. This axial movement of the indexer displaces the driving member axially to a position in which the driving member is prevented from rotating. The indexer is fixed in rotation to the intermediate sleeve, and is also free to rotate with respect to the stator when in the disengaged position.

REFERENCES:
patent: 3442102 (1969-05-01), Butts
patent: 4669287 (1987-06-01), Reader et al.
patent: 4759204 (1988-07-01), Neyret
patent: 4773240 (1988-09-01), Foshee
patent: 4903512 (1990-02-01), Leroy et al.
patent: 4947664 (1990-08-01), Lindmayer et al.
patent: 5229747 (1993-07-01), Zhao
patent: 5577409 (1996-11-01), Oyabu et al.
patent: 5640864 (1997-06-01), Miyamoto

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