Twisting tumbler cylinder lock and key therefor

Details Twisting tumbler cylinder lock and key therefor Twisting tumbler cylinder lock and key therefor

E - Fixed Constructions

05

B

70/57

E05B 19/04 (2006.01) E05B 27/00 (2006.01)

Patent

CA 1273810

ABSTRACT OF THE DISCLOSURE A twisting tumbler lock with dual locking function has tumbler points at tumbler positions selectively offset forwardly or rearwardly and i selectively rotatable to different angular positions to create an enormous number of keying combinations. A key according to the invention includes one or more bits which are offset forwardly or rearwardly of a corresponding tumbler axis.

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