Ball screw mechanism
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United States of America Patent
Stats
-
Jun 12, 2007
Grant Date -
Oct 16, 2003
app pub date -
Apr 9, 2003
filing date -
Apr 15, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball screw mechanism includes a ball screw shaft of a metal material coaxially connected to a rotary driving source, a nut member of a resin material being screwed onto the ball screw shaft, a plate member fixed to an upper surface of the nut member by screw members, and steel balls which are arranged on a passage formed in the nut member closed by the plate member and which are installed into screw grooves of the ball screw shaft and the nut member.
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Cited Art Landscape
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