Method and apparatus for duplicating keys using...

Details Method and apparatus for duplicating keys using... Method and apparatus for duplicating keys using...

B - Operations, Transporting

23

C

B23C 1/16 (2006.01) B23C 3/35 (2006.01)

Patent

CA 2120245

The present invention relates to the simultaneous duplication of both the bit notch pattern and shoulder position of a master key (958) onto a key blank (936). The key blank is longitudi- nally and laterally aligned relative to a key cutter. A master key is longitudinally and laterally aligned relative to a key follower. The key follower (988) is then longit- udinally and laterally dis- plaoed relative to the master key to traoe the contour of the key master. The key cut- ter (990) is simultaneously displaced relative to the key blank in an identical manner to reproduce the traced con- tour of the master key on the key blank and to longitudi- nally reposition the key blank shoulder (1016) to coincide with the relative longitudinal location of the master key shoulder by cutting away a portion of the shank to reduce the length of the shank.

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