E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 27/00 (2006.01) E05B 29/00 (2006.01)
Patent
CA 2636547
A re-keyable cylinder lock includes a plug inserted into a lock housing and having a plurality of radial holes connected to a key hole. The lock housing has a first engaging element provided in an inner surface thereof. A limit unit has a second engaging element and is inserted into one of the radial holes located at a predetermined depth of the key hole. The first engaging element engages the second engaging element to limit the plug from rotating when a replacement key which is inserted into the key hole for re-keying does not reach a predetermined depth of the key hole. Incomplete re-keying can therefore be prevented.
Chiang Wei-Liang
Kuo Ching-Chuan
Wu Rong-Faa
Yang Ju-Lin
Battison Williams Dupuis
Tong-Lung Metal Industry Co. Ltd.
LandOfFree
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