Linear motion guide unit
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United States of America Patent
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-
Dec 27, 2016
Grant Date -
Dec 3, 2015
app pub date -
Mar 27, 2015
filing date -
May 30, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A porous compact impregnated with lubricant fits into a lengthwise hole in the carriage to apply the lubricant around balls rolling through a return passage to realize maintenance-free lubrication. The carriage has a flat upper portion which has threaded holes lying midway between the widthwise opposed bulges to fasten counterparts to the carriage. The carriage has widthwise opposed corners where the flat upper portion merges the respective bulges. The corners each have therein a lengthwise hole in which the cylindrical porous compact impregnated with lubricant is inserted to extend across the overall length of corners. The bulges of the carriage have threaded holes which are used to fasten the end caps to the fore and aft ends of the carriage.
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