Locking device

Details Locking device Locking device

1977-04-05

1978-11-21

Wolfe, Robert L.

Locks

Operating mechanism

Key

70401, E05B 1914, E05B 2706

Patent

active

041260252

ABSTRACT:
Disclosed is a locking device having an inner lock cylinder axially slidable in a recess in the lock housing. Tumbler means prevent relative motion between the cylinder and the housing until the axial insertion of a key with a double set of notches. Upon insertion thereof, the cylinder may be axially displaced only by pressure against the key to actuate the lock release.

REFERENCES:
patent: 570032 (1896-10-01), Luebbers
patent: 1288074 (1918-12-01), Lutz
patent: 1828747 (1931-10-01), Perry
patent: 2620649 (1952-12-01), Bernardo
patent: 2772558 (1956-12-01), Gardner
patent: 3455128 (1969-07-01), Tenkoff

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