Hammer drill
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United States of America Patent
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-
Apr 24, 2018
Issued Date -
N/A
app pub date -
Mar 19, 2015
filing date -
Mar 20, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hammer drill comprising: a body; a motor mounted within the body; a transmission housing mounted within the body, a transmission mechanism mounted within the transmission housing which is capable of rotatably driving and/or repetitively striking a cutting tool held by the hammer drill in response to rotation of an output shaft of the motor; wherein the transmission housing comprises a pair of housing portions adapted to engage each other to support the component parts of the transmission mechanism within the transmission housing; wherein the first housing portion is made from metal and the second housing portion is made from a plastic material, each of the components of the transmission mechanism being supported jointly be the first and second housing portions.
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