Tensionless power ratchet wrench assembly
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United States of America Patent
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Aug 2, 2005
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app pub date -
Sep 19, 2003
filing date -
Sep 19, 2003
priority date (Note) -
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Abstract
A power ratchet wrench assembly having a tensionless head wherein operation of the ratchet mechanism does not require a tensioning means for applying a frictional force against the ratchet mechanism to inhibit rotational movement of the ratchet mechanism. In one embodiment, the invention provides a first gear, a second gear, and a ratchet mechanism having a drive body; wherein the drive body is alternately: coupled to the first gear and ratcheting with the second gear, and coupled to the second gear and ratcheting with the first gear.
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