Stepping actuators
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 26, 1996
Grant Date -
N/A
app pub date -
Dec 29, 1994
filing date -
Dec 29, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A stepping actuator having a housing containing two linearly reciprocating members independently and axially slidable, and a common rotating member passed through them. One of the housing and linearly reciprocating members has endless circulating grooves formed by tilted grooves interconnected by circumferentially extending grooves while another one of them holds projections adapted to fit in the circulating grooves. The circumferentially extending grooves have a circumferential length equal to a circumferential length of an opposite tilted groove corresponding to another of said slidable reciprocating members. The linearly reciprocating members and rotating member are linked together by a coupling that transmits the rotary motion while allowing free axial motion.
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