Shear-locking device
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United States of America Patent
Stats
-
Mar 1, 2005
Grant Date -
Sep 4, 2003
app pub date -
Mar 11, 2003
filing date -
Jul 22, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Shears having a locking mechanism which ensures self-locking closure without any light gap. A tumbler (24) on one limb of the shears pivoted by a slide button (22) has a cam surface (34) interacting in a self-locking manner with a catch groove (28) on a cam surface (32) on the other limb (14). The catch groove (28) can have a larger configuration in the direction of closure. An arched cam surface may also be provided, which is eccentrically located in relation to the pivoting axis of the tumbler. A fine locking device (50) for the slide button may be provided so the slide button can be fixed in different closed positions to prevent unintentional closure in the open position.
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