Liner motion device, rolling device and separator for rolling device
AssigneeNsk Ltd.
InventorsToshikazu Yabe, Hiroyuki Ito, Tuyoshi Saito, Toyohisa Yamamoto
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Abstract
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.
Claims4
A liner motion device comprising:
- 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.
Dependencies are inferred from the claim text.