Ratchet screwdriver with a quick retractable positioning joint
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United States of America Patent
Stats
-
Aug 15, 2006
Grant Date -
N/A
app pub date -
Jul 26, 2004
filing date -
Jul 26, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ratchet screwdriver apparatus has a main body, a tubular member connected into the hole of the grip of the main body, a retractable element having an end extending through a through hole of the tubular member, and a positioning mechanism cooperatively connecting the tubular member with the retractable element so as to cause the retractable element to be in a fixed position with respect to the tubular member and in freely movable relationship with the tubular member. The positioning mechanism has a pair of half-mould structures, a ball extending through a tapering slot of the tubular member, a single elastic ring extending around the periphery of the first and second half-mould structures and a control ring extending entirely over the elastic ring.
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