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:
Apr. 01, 2014
Filed:
Jun. 11, 2010
Koichiro Ishibashi, Tsukubamirai, JP;
Seiji Takanashi, Noda, JP;
Motohiro Sato, Toride, JP;
Jiro Mandokoro, Moriya, JP;
Koji Hara, Tsukubamirai, JP;
Toshio Sato, Tsukuba, JP;
Koichiro Ishibashi, Tsukubamirai, JP;
Seiji Takanashi, Noda, JP;
Motohiro Sato, Toride, JP;
Jiro Mandokoro, Moriya, JP;
Koji Hara, Tsukubamirai, JP;
Toshio Sato, Tsukuba, JP;
SMC Kabushiki Kaisha, Tokyo, JP;
Abstract
A linear actuator includes a guide block constituting a guide mechanism. In the guide block, a pair of installation grooves are formed in a lower surface facing toward a cylinder main body. Ball circulation members having therein ball circulation holes are installed respectively in the installation grooves. Additionally, ball circulation passages through which balls circulate are provided. The ball circulation passages are made up from roll-reversing sections disposed on opposite ends of the ball circulation members, the ball circulation holes, second ball guide grooves formed in both side surfaces of the guide block, and first ball guide grooves of the slide table.