Self-adjusting wrench
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United States of America Patent
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Oct 5, 2010
Grant Date -
Feb 19, 2009
app pub date -
Aug 14, 2008
filing date -
Aug 15, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An open-end wrench includes a handle portion and a containing portion. The containing portion includes a first jaw and a second jaw. The jaws define a containing groove configured to receive a workpiece. The open-end wrench also includes a chuck, a resilient member and a stop protector. The chuck is slidably mounted on the second jaw. The resilient member is operatively disposed between the second jaw and the chuck. The resilient member is configured to bias the chuck towards the handle. The protector stop interacts between the second jaw and the chuck to limit the extent of relative movement therebetween to limit the extent of compression of the resilient member.
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