Double Hammer Clutch Impact Wrench
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United States of America Patent
Stats
-
N/A
Issued Date -
Mar 18, 2010
app pub date -
Sep 15, 2009
filing date -
Sep 15, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power driven tool for rotating a mechanical fastener including a housing with a motor positioned in the housing. The motor includes a drive shaft that rotates relative to the housing. An impact mechanism in the housing is operatively connected to the motor drive shaft. The impact mechanism has a base, an output and a cam. The output and cam are rotatably mounted on the base. A pair of hammers are pivotally mounted on the base and selectively positioned by the cam. The cam biases the hammers to intermittently impact the output. A ratchet head assembly is operatively connected to the output of the impact mechanism. The ratchet head assembly includes an output member rotatably mounted on the housing to rotate the mechanical fastener. The assembly also includes a ratchet operable to limit rotation of the output member in a selected direction.
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Cited Art Landscape
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