Apparatus for translating rotational motion and torque
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United States of America Patent
Stats
-
Feb 10, 1987
Grant Date -
N/A
app pub date -
Dec 27, 1983
filing date -
Dec 27, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides apparatus which can be incorporated into a powered instrument that rotates a tool at varying rotational speeds and torques. The invention includes at least two drive plates, each of which rotates at a different speed and which exerts a different magnitude of torque. A movable member within the instrument selectively engages one of the two drive plates to couple that drive plate to the output shaft of the instrument. The apparatus can include a torque limiter which couples the input shaft to the output shaft only when the resistance to rotation offered by a drive plate is less than a predetermined value.
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Cited Art Landscape
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