Locks – Operating mechanism – Key
Patent
1977-04-18
1978-04-11
Wolfe, Robert L.
Locks
Operating mechanism
Key
70467, E05B 2708
Patent
active
040832112
ABSTRACT:
An axial split-pin tumbler-type lock mechanism for a handle lock and of the type including a lock cylinder, a forwardly disposed operating part rotatable in the cylinder, a rearwardly disposed stationary sleeve in the cylinder and adjoining the operating part at a transverse interfacial plane, the operating part including a shaft extending axially through the sleeve, the key-operated spring-pressed axially movable split-pin tumblers carried in bores in the operating part and the sleeve and movable into positions alternately serving to secure the operating part and the sleeve against relative rotation and to free the operating part for rotation to operate the lock mechanism, includes a bolt holder integral with the sleeve part and disposed rearwardly thereof, the holder having a bolt race extending transversely therein, and a lock bolt mounted in the race for transverse sliding movement therein between unlocking and locking positions, the bolt having means cooperating with coupling means on the distal end of the shaft for moving the bolt between such positions in response to rotation of the operating part.
REFERENCES:
patent: 1696829 (1928-12-01), Wise
patent: 3102412 (1963-09-01), Christopher
patent: 3213654 (1965-10-01), Davenbaugh
patent: 3234765 (1966-02-01), Kerr
Chicago Lock Co.
Gerlach Norman H.
Wolfe Robert L.
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