Cylinder lock embodying at least two rows of tumbler pin bores a

Details Cylinder lock embodying at least two rows of tumbler pin bores a Cylinder lock embodying at least two rows of tumbler pin bores a

1983-11-17

1986-08-05

Wolfe, Robert L.

Locks

Operating mechanism

Key

70364A, 70401, 70409, E05B 2706

Patent

active

046035656

ABSTRACT:
A cylinder lock assembly which includes a hollow lock body and a barrel rotatably mounted in the lock body having a keyway extending longitudinally from one end thereof.
There is also provided a plurality of tumbler pin bores located in the barrel arranged in one or more rows. Each tumbler pin bore communicates with the keyway.
There is also provided a plurality of tumbler pins provided in one or more rows wherein each tumbler pin is located in an associated tumbler pin bore.
There is also provided a multiplicity of individual or separate locking pins arranged in one or more rows which engage with an adjacent row of tumbler pins transverse to the longitudinal axis of the tumbler pins to retain the barrel in a locked position preventing rotational movement of the barrel relative to the lock body.
There is also provided retraction means on each tumbler pin on which allows retraction or inward movement of the locking pins from the locked position whereby the barrel may attain an unlocked position permitting rotation relative to the lock body.
The construction and arrangement of the cylinder lock assembly is such that when a key is inserted in the keyway the retraction means of each tumbler pin may be axially aligned to initiate the retraction or inward movement of the locking pins.

REFERENCES:
patent: 1905177 (1933-04-01), Kirkwood
patent: 1965889 (1934-07-01), FitzGerald
patent: 2070233 (1937-02-01), Liss
patent: 2620649 (1952-12-01), Bernardo
patent: 3455130 (1969-07-01), Basseches
patent: 4393673 (1983-07-01), Wider
patent: 4478061 (1984-10-01), Preddey

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