System and method for reproducing coded keys
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United States of America Patent
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Oct 25, 2016
Grant Date -
Aug 13, 2015
app pub date -
Feb 7, 2014
filing date -
Feb 7, 2014
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Abstract
Coded keys are produced by reference to a set of matrix keys, each matrix key of a set has uniform notch spacing and a uniform but different depth compared to the others. A holder carries a complete matrix key set. The holder, in turn, is securable to a carriage having a key blank-retaining vise. By manipulating the holder, any selected one of the matrix keys may be brought into fixed coplanar and linear registration with the key blank. As the holder and carriage are moved synchronously, a first matrix key is urged toward a stylus at a given code location defined by a notch of specific depth and a cutter removes material from the key blank to form a corresponding notch. The process is repetitively performed until a notch of the prescribed code depth is defined at each location along the key blank needed to form a replacement key.
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