Rolling groove with combined curve profile for linear guide way
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United States of America Patent
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Issued Date -
Oct 12, 2006
app pub date -
Apr 11, 2005
filing date -
Apr 11, 2005
priority date (Note) -
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Abstract
A rolling groove with combined curve profile for linear guide way in which the cross section profile of the rolling groove is formed of three successively and tangentially contacted circular arcs. The ratio of radius of curvature of the intermediate arc to the radius of ball is made approaching to 1, while the radii of curvature of arcs at both sides are larger that of the intermediate one. By so, the design of the present invention can achieve a sufficient load carrying capability and provide an optimistic self-aligning effect as well for the linear guide way so as to prevent the traveling ball from being in contact with the edge of the rolling groove.
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