Ball nut and screw assembly with travel limit stop
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United States of America Patent
Stats
-
Oct 20, 1981
Grant Date -
N/A
app pub date -
Sep 13, 1979
filing date -
Sep 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This ball nut and screw assembly has a ramplike stop secured to screw shaft. On predetermined linear movement of the ball nut relative to the screw shaft, the balls contained in the ball nut are forced to climb the ramp and are compressively loaded to force radial expansion of the nut and to positively limit ball nut travel. The wedging effect provided by the stop requires additional power to continue movement which cannot be fulfilled by the input.
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