Locks – Operating mechanism – Key
Patent
1996-02-05
1998-07-07
Gall, Lloyd A.
Locks
Operating mechanism
Key
70368, 70369, 70379R, 70380, E05B 3300
Patent
active
057751455
ABSTRACT:
A lock assembly is provided which includes a shell having a front end, a rear end, and a central bore extending from the front end to the rear end. The lock assembly also includes a key operated plug axially aligned and rotatably and removably disposed within the central bore of the shell. The lock assembly further includes a cam module rotatably mounted on the rear end of the shell. A key is provided which is insertable into the plug and allows for the removal of the plug from the shell. When the key operated plug is removed from the shell, a tool can be inserted through the central bore in the shell and into the cam module for rotationally moving the cam module relative to the shell, thereby unlocking the lock assembly.
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patent: 2740284 (1956-04-01), Gray
patent: 2852926 (1958-09-01), Chervenka
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patent: 4007613 (1977-02-01), Gassaway
patent: 4539828 (1985-09-01), Teleky
patent: 4635455 (1987-01-01), Oliver
patent: 5104164 (1992-04-01), Sieg
Algonquin Industries Inc.
Gall Lloyd A.
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