Pull-resistant cylinder lock

Details Pull-resistant cylinder lock Pull-resistant cylinder lock

E - Fixed Constructions

05

B

70/48, 292/53

E05B 65/00 (2006.01) E05B 55/00 (2006.01)

Patent

CA 1179855

Abstract of the Disclosure Increased knob pull resistance in a cylinder lock is obtained by providing the knob sleeve with an inner lug which engages in a bayonet slot in the key-actuated rollback cam sleeve so as to transmit knob pull to the cam sleeve and through such sleeve and its out-turned rollback cam to the fixed hub. Preferably, the resulting increased pull resistance is combined with that provided by forming the knob sleeve with a small stud which rides in a groove in the hub to transmit pull directly from the knob sleeve to the hub.

415675

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