Hand-held power tool
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United States of America Patent
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-
Mar 1, 2005
Issued Date -
N/A
app pub date -
Jan 17, 2003
filing date -
Dec 6, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hand-held power tool for inhibiting uncalled-for rotation of the output shaft and for self-compensating for wear. The tool comprises a housing, a braking member fixedly mounted in the housing and an output shaft mounted in the housing for rotation. The output shaft has an outer end portion for reception of an attachment. A ratchet wheel on the output shaft is adapted to be driven in one direction or the other, has a side face facing a first surface of a wear member, and has a plurality of recesses extending inward from the side face. The wear member is keyed to the output shaft for conjoint rotation. A plurality of engagement members are received one in each recess and biased outward against the first surface to bias a second surface of the wear member against the braking member for holding the ratchet wheel against rotation opposite the driven direction.
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Cited Art Landscape
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