Tool driving or impacting – Impacting devices – With anvil arranged to transmit torsional impact to tool
Reexamination Certificate
2005-05-10
2005-05-10
Huynh, Louis K. (Department: 3721)
Tool driving or impacting
Impacting devices
With anvil arranged to transmit torsional impact to tool
C173S093000, C173S093600, C081S466000
Reexamination Certificate
active
06889778
ABSTRACT:
A rotary tool, such as an impact wrench, operable in a forward mode and a reverse mode. The rotary tool includes a housing having a forward end and supporting a motor. The motor has a motor shaft extending axially through the housing and defining an axis. The rotary tool also include a frame supported in the housing and being rotatable relative to the housing about the axis, an output shaft supported in the forward end of the housing and rotatable about the axis, and a hammer pivotably coupled to the frame and defining a central aperture. The hammer has a first jaw and a second jaw extending into the central aperture. The first jaw and the second jaw are non-symmetrical.
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Colangelo, III Louis J.
Cooper Timothy R.
Huynh Louis K.
Ingersoll-Rand Company
Michael & Best & Friedrich LLP
Truong Thanh
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