Lock with key isolation using transfer tumblers

Details Lock with key isolation using transfer tumblers Lock with key isolation using transfer tumblers

E - Fixed Constructions

05

B

70/54

E05B 27/00 (2006.01) E05B 21/06 (2006.01)

Patent

CA 1279497

LOCK WITH KEY ISOLATION USING TRANSFER TUMBLERS ABSTRACT This specification describes a lock where a key is inserted into a key cylinder and where the key sets a series of transfer tumblers. The tumblers project from the key cylinder, and the tumblers, in turn, set a series of lock opening elements into their prescribed positions. As the key-cylinder is rotated the transfer tumblers are moved out of contact with the elements. Only at this time can the lock be opened, provided that the elements had been correctly set.

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