Rotary stepper actuator
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United States of America Patent
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-
Aug 13, 1985
Grant Date -
N/A
app pub date -
Nov 1, 1983
filing date -
Nov 1, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pair (20) of unidirection actuators are opposingly disposed coaxially about an elongated member (1) for controllably imparting a series of stepwise rotary movements thereto. An outer race (5) disposed within a housing (2) is rotationally reciprocated as a result of the axial reciprocation of a coaxial drive member (3) under the influence of reciprocation means (12, 15, 9). An overrunning clutch (6) converts the reciprocal rotary motion of the outer race (5) into a series of uniform unidirectional stepwise angular movements.
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