Rotary disc-tumbler lock cylinder

Details Rotary disc-tumbler lock cylinder Rotary disc-tumbler lock cylinder

E - Fixed Constructions

05

B

70/54

E05B 27/00 (2006.01)

Patent

CA 1138668

ROTARY DISC-TUMBLER LOCK CYLINDER ABSTRACT OF THE DISCLOSURE A lock cylinder incorporating a front retainer for a sidebar and a body counterbore to receive same, a core shell having a torquing engagement extension and an indexing protrusion to properly index the insertion and removal of the core, a torquing tumbler for applying rotational torque to the core, an improved centering spring, an inter-connection of a side- bar and a body engaging link of a removable core differential mechanism, a method of yieldingly biasing the engaging links outwardly from the core assembly, and improved combinating capabilities by arrangements of gatings in the rotary disc- tumblers for variable incrementations and the arrangement of tumblers and spacers of various thichnesses to achieve a variable spacings of the bittings. -2-

348850

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