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:
Nov. 03, 1998
Filed:
Oct. 08, 1997
Takahiro Kawaguchi, Tokyo, JP;
Tadashi Hirokawa, Moroyama-machi, JP;
THK Co., Ltd., Tokyo, JP;
Abstract
A rolling motion guide apparatus comprises a guide rail formed with a loaded rolling member rolling passage and a movable member disposed to be movable with respect to the guide rail through a number of rolling members, in which the rolling direction changing passage structure is composed of an end surface forming portion which is formed with a rolling direction changing passage inner periphery guide portion integrally formed with the movable member main body and an end plate which is formed with a rolling direction changing passage outer periphery guide portion separately formed from the end surface forming portion. The rolling direction changing passage outer periphery guide portion of the end plate and a rolling direction changing passage inner periphery guide portion thereof have peripheral portions respectively which are joined and welded so as to provide joining surfaces as a welding portion.