Tool driving or impacting – Impacting devices – With anvil arranged to transmit torsional impact to tool
Patent
1997-07-29
1999-12-21
Vo, Peter
Tool driving or impacting
Impacting devices
With anvil arranged to transmit torsional impact to tool
173 935, 173 936, B25D 1500
Patent
active
060036184
ABSTRACT:
The present invention relates an impact tool with a twin lobed anvil, and the separate anvil, timing shaft and mating dog hammer. The impact transmission is configured in such a way so as to maintain contact between the anvil and dog hammer. As a result, the components of the present invention provide a harder blow to the anvil of an impact tool due to a larger strike surface area, provide greater torque due to increased mass at engagement, and increase the durability of the impact tool.
Chicago Pneumatic Tool Company
Luby Matthew
Vo Peter
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