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:
Mar. 20, 2001
Filed:
Oct. 08, 1999
Hiroshi Teramachi, Tokyo, JP;
Other;
Abstract
A roller train for enabling a slider to be freely guided along a track rail and to a linear motion guide apparatus employing this roller train that is used in machine tools, industrial robots, precision instruments, and the like provides a roller train capable of substantially preventing skew in the rollers that can prevent the rollers from circulating smoothly. A linear motion guide apparatus that employs this roller train enables the slider to move smoothly. The roller train,includes a plurality of rollers,and a retaining member,. The retaining member,, constructed of a slick synthetic resin material, is provided with roller retaining holes,to retain the plurality of rollers,in a series. In particular, side plates,for covering both end faces of the,are provided on the portions of the retaining member,that oppose both end faces of the,contained in the roller retaining holes,. The side plates,prevent skew in the rollers,, enabling the same to roll smoothly. The,are prevented from falling out of the retaining member,by the engaging of depressions,and protrusions,formed in the end faces of the cylindrical rollers,and the inner surfaces of the side plates,, respectively.