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:
Jun. 10, 2003
Filed:
Apr. 05, 2001
Takahiro Kawaguchi, Tokyo, JP;
Tadashi Hirokawa, Tokyo, JP;
Kentarou Nishimura, Tokyo, JP;
Osamu Maruyama, Tokyo, JP;
Shino Kimura, Tokyo, JP;
THK Co., Ltd., Tokyo, JP;
Abstract
A roller retainer encloses an outer periphery of the roller situated on a diagonal when the roller is viewed from the side surface thereof. Whether the rollers are arranged in a parallel manner or in a cross manner, the roller retainer is able to keep a constant position and thus the disposition of the roller retainer is free from the influence of the direction the roller . Also, since the roller retainer restricts a corner portion of the roller , the roller is difficult to slip off the roller retainer and thus the roller can be restricted positively, thereby being able to control the skew of the roller