NON-CHATTERING BALL DETENT TORQUE LIMITER
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United States of America Patent
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Issued Date -
May 15, 2014
app pub date -
Mar 14, 2013
filing date -
Nov 11, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention improves a ball-detent torque-limiting assembly by providing breakout means for maintaining an axial separation distance between opposing pocketed surfaces of the assembly once the balls have rolled out of their pockets, wherein the axial separation distance maintained by the breakout means is at least as great as the diameter of the balls. The breakout means assumes the axially directed spring load that urges the opposing pocketed surfaces together, thereby preventing the balls from entering and exiting the pockets in quick and violent succession following breakout and avoiding damage to the torque-limiting assembly. The torque-limiting assembly is resettable by counter-rotation following a breakout event.
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