Quick release mechanism for tools such as socket wrenches
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United States of America Patent
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Jul 15, 2008
Grant Date -
Jun 8, 2006
app pub date -
Oct 10, 2002
filing date -
Dec 4, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A tool of the type having a drive stud for receiving and releasing a tool attachment includes an opening in the drive stud and a locking pin movably mounted in the opening. The opening defines first and second ends, and the first end of the opening is located at a portion of the drive stud constructed for insertion into the tool attachment. An actuating member is movably positioned on the drive stud, and the actuating member defines a sliding surface that engages the pin. A first spring biases the sliding surface toward the pin, and a second, weaker spring biases the pin toward the sliding surface. The first spring reacts against a ring that is disposed between the spring and a shoulder formed on the tool. The shoulder extends away from the longitudinal axis of the drive stud by a lesser distance than the spring or the ring.
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