Pruning shears
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United States of America Patent
Stats
-
Jun 7, 1994
Grant Date -
N/A
app pub date -
Feb 3, 1992
filing date -
Aug 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
One arm (30) of the pruning shears is connected via a swivel joint to the end of a guide handle. The swivel joint has a hinge pin (32) the axis of which intersects the axis of the handle at a right angle and is on a line with the guide groove of a cable pulley (24) which is mounted between fork arms (20) which protrude laterally from the end of the handle. By means of a traction cable (48), the arms of the shears can be locked in any angular position of the swivel joint. A locking knob (36) presses the interlocking fork arms (26, 28) of the end of the handle or the arm (30) of the shears together, as a result of which they are fixed in position by friction.
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