Locks – Operating mechanism – Key
Patent
1990-05-08
1992-02-11
Gall, Lloyd A.
Locks
Operating mechanism
Key
70397, 70399, 70408, 70409, 70453, E05B 1908
Patent
active
050866320
ABSTRACT:
A lock assembly includes a lock body having tumbler members and a curved keyway, and a flexible key to be received in the curved keyway and having key bit projections for actuating the tumbler members. The flexible key has a degree of stiffness sufficient enough to allow said key to be inserted into said curved keyway.
REFERENCES:
patent: 507408 (1893-10-01), Bole
patent: 888478 (1908-05-01), Drew
patent: 3605464 (1971-09-01), Ostrager
patent: 4484462 (1984-11-01), Berkowitz
patent: 4557123 (1985-12-01), Marks et al.
patent: 4561271 (1985-12-01), Scharboneau
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