Linear guideway having spacers and spacer ball
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 5, 2000
Grant Date -
N/A
app pub date -
Apr 15, 1999
filing date -
Apr 15, 1999
priority date (Note) -
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Abstract
Spacers 10 of the same size are each disposed between adjacent ones of balls 6 which are loaded into each of endless circulation paths 8 formed in a carriage 3, and a spacer ball 12 having a diameter slightly smaller than a nominal diameter of each of the balls is disposed in a gap formed between the ball positioned at a start end as a start-end ball 6A and the ball positioned at a terminal end as a terminal-end ball 6B. Both axial end faces of each spacer 10 are formed as concave faces 20 conforming to the spherical surface of each ball 6 and thus there is no fear of disengagement of the spacers 10 and the balls 6 from each other during rolling of the balls.
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