Screw-locking assembly for garden shears
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United States of America Patent
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-
Jul 30, 2002
Grant Date -
N/A
app pub date -
Mar 28, 2001
filing date -
Sep 3, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A screw-locking device which is suitable, in particular, for pruning shears includes a catch disk having a toothed rim with axially directed teeth and a spring collar whose teeth are formed by individual webs which extend freely between an inner ring and an outer ring of the collar. These webs have a catch of V-shaped cross section for the engagement of the teeth of the catch disk, one tooth of the catch disk lying in the clearance space of the spring collar, and the adjacent teeth engaging in the V-shaped recesses of the radial webs. According to a further refinement, the tooth webs may be provided with lateral inclined contact surfaces. The spring collar has projecting lugs on the side opposite the tooth system.
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