Lock cylinder

Details Lock cylinder Lock cylinder

1992-07-29

1994-08-23

Cuomo, Peter M.

Locks

Operating mechanism

Key

70372, 70379H, E05B 910, E05B 1704

Patent

active

053396634

ABSTRACT:
A lock cylinder which can be actuated from one side by a knob and from the opposite side by a key, has a locking-member hub and a cylinder core which has tumblers adapted to be positioned by the key. A free passage is provided between a coupling member and a locking-member hub so that the coupling member entrains the locking-member hub only in one direction of rotation and can be freely turned back from the entrainment end position.

REFERENCES:
patent: 1046438 (1912-12-01), Caldwell
patent: 3293892 (1966-12-01), Falk
patent: 4369642 (1983-01-01), Grell
patent: 5193370 (1993-03-01), Norden

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