Locks – Operating mechanism – Key
Patent
1985-11-14
1986-12-09
Wolfe, Robert L.
Locks
Operating mechanism
Key
70385, E05B 2300
Patent
active
046272526
ABSTRACT:
A coded-card type lock device includes in combination: an outer housing body for being fixed on a door; a locking unit with a sliding slot and a plurality of partitioning spaces installed in the outer housing body; a plurality of mechanically coded locking pieces movably installed in the partitioning spaces according to a selected code; an operating mechanism movably disposed under the locking unit in the outer housing body for unlocking operation; a resetting member slidingly provided around the periphery of the locking unit for resetting the locking unit to a coded lock position; a lock bolt mechanism movably installed at a front portion of the outer housing body in connection with the operating mechanism; an inner covering member secured over the back side of the outer housing body; and a card-type key having a plurality of segmented sections coded according to the code of the locking pieces for effecting the unlocking operation; and a bolt socket frame matched with the bolt mechanism and fixed on a door frame; thereby, code can be changed at any time to ensure highly protective capability of the lock device.
REFERENCES:
patent: 14896 (1856-05-01), Lippincott
patent: 17714 (1857-06-01), Baier
patent: 2557028 (1951-06-01), Deutsch
patent: 4287737 (1981-09-01), Ahn
patent: 4587815 (1986-05-01), Gill
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