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. 24, 2015
Filed:
Aug. 22, 2012
Takumi Nakagawa, Kanagawa, JP;
Jun Matsumoto, Kanagawa, JP;
Kazuhito Nishiyama, Kanagawa, JP;
Keisuke Tanaka, Kanagawa, JP;
Takumi Nakagawa, Kanagawa, JP;
Jun Matsumoto, Kanagawa, JP;
Kazuhito Nishiyama, Kanagawa, JP;
Keisuke Tanaka, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
A linear guide apparatus is provided in which an excellent sealing performance is achieved. The linear guide apparatus includes a retainer for retaining plural cylindrical rollers rotatably in a rolling element rolling passage. The retainer includes an opening portion and accommodates for retention of the plural cylindrical rollers in the opening portion. The retainer also includes an endless seal unit surrounding the opening portion. The seal unit includes an inward facing lip inclining toward the inner side of the opening portion and extending toward the guide rail to be in sliding contact with the guide rail. The inward facing lip is formed continuously all around the seal unit. The seal unit includes an outward facing lip inclining toward the outer side of the opening portion and extending toward the guide rail to be in sliding contact with the guide rail, in addition to the inward facing lip.