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:
May. 13, 2003
Filed:
Feb. 20, 2001
Masaru Akiyama, Gunma, JP;
Soichiro Kato, Gunma, JP;
Shinya Nakamura, Gunma, JP;
Shiroji Yabe, Gunma, JP;
NSK Ltd., Tokyo, JP;
Abstract
The linear guide apparatus includes a guide rail including a rolling body rolling groove and a friction apply unit assembled to the guide rail . The friction apply unit includes a unit main body , a brake member , an oil pressure cylinder and a plate spring . The brake member is disposed so as to face the side surface of the guide rail and can be contacted with the other portions of the side surface than the rolling body rolling groove thereof. The oil pressure cylinder includes a piston member which is structured to be driven in a positive direction to thereby press the brake member against the side surface of the guide rail and also the piston member can be driven in the opposite direction to thereby remove the pressure of the brake member from the side surface