The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 15, 2005
Filed:
Nov. 13, 2002
Toshikazu Yabe, Kanagawa, JP;
Hiroyuki Ito, Kanagawa, JP;
Tuyoshi Saito, Kanagawa, JP;
Toyohisa Yamamoto, Kanagawa, JP;
Toshikazu Yabe, Kanagawa, JP;
Hiroyuki Ito, Kanagawa, JP;
Tuyoshi Saito, Kanagawa, JP;
Toyohisa Yamamoto, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
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.