WRENCH WITH EXPANDING TIP ASSEMBLY
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United States of America Patent
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Issued Date -
Mar 28, 2013
app pub date -
Sep 22, 2011
filing date -
Sep 22, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A tool assembly for engaging a head of a fastener. The tool assembly includes an elongated hollow shaft member having a first end and a second end and an actuation rod member moveably disposed within the shaft member. The actuation rod member includes a first end corresponding with the first end of the shaft member and a second end corresponding with the second end of the shaft member and an expandable tip assembly. One end of the expandable tip assembly is movably coupled to the actuation rod. The other end of the expandable tip assembly includes a patterned face. A first contracted state of the expanded tip assembly allows the patterned face to mate with the head of the fastener, and a second expanded state of the expanded tip assembly allows the patterned face to securely engage the head of the fastener.
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