High efficiency torsion spring tacker
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United States of America Patent
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May 14, 2024
Grant Date -
Jan 5, 2023
app pub date -
Sep 9, 2022
filing date -
Sep 9, 2022
priority date (Note) -
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Abstract
A spring energized fastening tool with compact, rigid, low friction working elements is disclosed. A torsion power spring includes forward extending arms with the arms pressing each other proximate a front distal end of the spring. A cantilevered lever links to a handle and engages the spring adjacent to the striker. A bottom loading staple track unlatches and opens through a simple pulling-out action. Structures are provided to enable fitment with a formed sheet metal handle and housing. The fastening tool is particularly simple to assemble, powerful, and of low operating effort.
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