Linear motion rolling contact guide unit having an asymmetrical guide channel
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United States of America Patent
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-
Mar 2, 1993
Grant Date -
N/A
app pub date -
Sep 23, 1991
filing date -
Sep 27, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A linear motion rolling contact guide unit is provided. The present guide unit includes a rail, a slider and a plurality of balls interposed between the rail and the slider. The rail is formed with an inner guide groove and the slider is formed with an outer guide groove located opposite to and in parallel with the associated inner guide groove to thereby define a guide channel in which the balls are interposed between the rail and the slider. The inner and outer guide grooves are defined such that a first distance between two contact points between the ball and the inner guide groove when brought into contact therewith is longer than a second distance between two contact points between the ball and the outer guide groove when brought into contact therewith.
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