Motion guide device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 12, 2018
Issued Date -
Oct 20, 2016
app pub date -
Apr 9, 2014
filing date -
Apr 10, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A linear guide 10 includes: a track rail 20 having a ball rolling groove 22; a movable block 30 having a loaded ball rolling groove 33 opposing the ball rolling groove 22, an unloaded ball rolling groove 34 extending in parallel with the direction in which the ball rolling groove 22 extends, and a direction change guide groove 35 connecting the loaded ball rolling groove 33 and the unloaded ball rolling groove 34; and a plurality of balls 40 arrayed on an endless circulating path including a loaded ball rolling path 50, an unloaded ball rolling path 60, and a direction change path 70 formed by the track rail 20 and the movable block 30. The direction change path 70 has a plurality of change points where the track changes. By having this configuration, it is possible to provide a linear guide which does not require an end plate.
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Cited Art Landscape
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