Method of making ratchet screwdriver
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United States of America Patent
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Mar 17, 2009
Grant Date -
May 10, 2007
app pub date -
Dec 28, 2006
filing date -
Jan 18, 2005
priority date (Note) -
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Abstract
A ratchet screwdriver and method of making same wherein there is a handle and there are a ratchet gear and pawls inside the handle. An adjuster is inside the handle and is movable by a tool extending into the handle for positioning the adjuster relative to the gear and thereby eliminating play between the gear and the handle. Ball bearings are interposed between the handle and the gear and the bearings rotatably support the gear and transmit the anti-play forces that act on the gear.
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