Pruning Hook
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Sep 15, 2011
app pub date -
Mar 11, 2010
filing date -
Mar 11, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pruning hook includes an extension pipe, a fixed blade mounted on the extension pipe, a movable blade pivotally connected with the fixed blade, a metallic driving chain connected with the movable blade, a sliding member movably mounted in the extension pipe and connected with the driving chain, a control cord mounted in the extension pipe and connected with the sliding member, and a control sleeve movably mounted on the extension pipe and connected with the control cord. Thus, the driving chain is made of metallic material so that the driving chain has a greater structural stiffness and can directly transmit the pulling force from the control cord without producing a tensile deformation during operation so as to enhancing the working efficiency of the pruning hook.
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