Precise linear actuator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 25, 1983
Grant Date -
N/A
app pub date -
Mar 16, 1981
filing date -
Mar 16, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A linear actuator mechanism which comprises skewed roller members arranged about a drive shaft and translates rotation of the drive shaft to linear displacement along the shaft includes a pair of body members having a ball joint between them which serves as a pivot about which adjustable spring compression constrains each of the three normal degrees of freedom in the body member pair to provide a kinematic union which eliminates indiscriminate displacement between the actuator mechanism and the drive shaft.
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