Ball screw and nut system
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United States of America Patent
Stats
-
Sep 17, 1996
Grant Date -
N/A
app pub date -
Oct 12, 1994
filing date -
Oct 12, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball nut and screw system has a ball screw mounting a coaxial ball nut. A ball train is disposed in the helical trackway defined by the helical grooves of the nut and screw. A ball end return assembly is provided for the nut which has separate end walls carrying generally radially extending return tracks which communicate with the trackway and the nut has an external ball return surface in communication with the tracks. Interengaging parts on the end walls partially envelop the nut and interconnect the end walls.
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