Disc tumbler cylinder lock and key combination
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United States of America Patent
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Sep 20, 2016
Grant Date -
Oct 22, 2015
app pub date -
Jul 4, 2013
filing date -
Nov 7, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The rotation limiter disc elements of a disc tumbler cylinder lock-key-combination are arranged to be rotated by a key. The rotation limiting elements have no pieces non-rotatably attached to the inner cylinder. The rotation limiter disc elements are composed of a frame piece and a limiter piece. The frame piece is a circular disc having an opening in the middle of the disc. The opening extends up to the border of the disc widening towards the border, and to the section on the wider side of the opening is disposed a limiter piece. On the inner surface of the inner cylinder is a recess at the site of the limiter disc elements. The key has at least one bevel-edged cavity.
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