Screw actuator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 9, 2003
app pub date -
Jul 8, 2002
filing date -
Jul 7, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A screw actuator arrangement comprises a rotatable input shaft which is arranged to be driven, in use, by a drive arrangement. The input shaft is coupled to a non-rotatably mounted output shaft, and has a screw thread formation including a helical groove within which a plurality of spherical members are received to provide a ball screw coupling between the input and output shafts. The actuator further comprises means for applying a braking load to the input shaft so as to limit loading of the drive arrangement in the event that an external overload is applied to the output shaft, in use.
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Family
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Cited Art Landscape
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