Internal recirculation insert for a ball screw and ball screw assembly including the insert
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United States of America Patent
Stats
-
Mar 21, 2017
Grant Date -
Jun 23, 2011
app pub date -
Dec 17, 2010
filing date -
Dec 18, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An internal ball recirculation insert for a ball screw assembly. The ball screw assembly having a ball nut with at least one radial bore though it, a ball screw and load bearing balls. The ball screw and ball nut having complimental helical grooves, forming helical ball raceways when the ball screw and ball nut are assembled. The internal ball recirculation insert sized to fit into the radial bore of the ball nut, having a body portion, securing arms, a ball channel for channeling balls from one ball raceway to another and a friction or retention device around the circumference of the body portion. The friction device extending outwardly from a side wall of the recirculation insert, and contacting a wall of the radial bore in the ball nut.
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