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. 07, 1989
Filed:
Apr. 28, 1988
Nippon Seiko Kabushiki Kaisha, Tokyo, JP;
Abstract
A ball retainer made of wire is provided in a ball rolling path constituted by two opposing rolling grooves respectively formed in a side surface of a guide rail and in each inner surface of a slider for holding the balls inserted in the ball rolling path. The wire retainer includes a central straight portion, arcuate portions at both ends of the straight portion, and fixing portions respectively extending from the ends of the arcuate portions in parallel with the straight portion. The straight portion is accommodated in a wire escape channel formed in the bottom of the ball rolling groove of the guide rail, the arcuate portions are held in wire escape channels formed in end caps, and the fixing portions are fitted into wire holding holes formed in the end caps which are secured respectively to opposite ends of the slider.