Tool bit adapter having a position-limit rod
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United States of America Patent
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-
Jul 5, 2016
Grant Date -
Jul 23, 2015
app pub date -
Apr 10, 2014
filing date -
Jan 22, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tool bit adapter having a position-limit rod includes a base member including a cylindrical body defining a longitudinal receiving open chamber and radial through holes and a ball movably mounted in each radial through hole, an operating member, a first elastic member stopped between a retaining ring at the cylindrical body and the operating member, a pusher having a position-limit groove located in the periphery thereof, a position-limit rod mounted in the cylindrical body and projecting into the receiving open chamber and inserted into the position-limit groove and selectively stoppable at one of two opposite ends of the position-limit groove, a second elastic member stopped between the pusher and the cylindrical body, and one or multiple locating grooves formed in the pusher or a tool bit to be installed for receiving the balls.
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