Liner motion device, rolling device and separator for...

Machine element or mechanism – Gearing – Directly cooperating gears

Reexamination Certificate

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Reexamination Certificate



A liner motion device has a liner motion element fitted on a shaft and moving straight along the shaft; a plurality of balls which are retained in a rolling element groove formed on the inner side of the liner motion element and roll over between the rolling element groove and the shaft; a separator interposed between the rolling elements; and, a circulating path formed in the liner motion element through which the rolling elements are circulated from one end of the rolling element groove to the other, wherein the separator is a product of a synthetic resin containing a lubricating oil in an amount of 3 to 25% by volume.

patent: 8-226516 (1996-09-01), None
patent: 2001-193814 (2001-07-01), None
patent: 2001-248708 (2001-09-01), None


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