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. 28, 2017
Filed:
Sep. 03, 2014
Thk Co., Ltd., Tokyo, JP;
Akimasa Yoshida, Tokyo, JP;
Hiroshi Kaneshige, Tokyo, JP;
Takuya Horie, Tokyo, JP;
Tetsuya Sakagami, Tokyo, JP;
Yoshinobu Moriyuki, Tokyo, JP;
Teruaki Ooka, Tokyo, JP;
THK CO., LTD., Tokyo, JP;
Abstract
A magnetic-scale-equipped motion guide apparatus is provided which can scrape iron powder adhered to a magnetic scale by a scraper or seal of a movable member without inviting adverse effects such as wearing away and deformation of the magnetic scale. The magnetic-scale-equipped motion guide apparatus of the present invention comprises a track memberhaving a rolling element rolling portionand also an upper surface where through holesinto which fastening members are inserted open, a movable membermovably assembled to the track membervia a plurality of rolling elements, a grooveformed in the track memberand extended in a longitudinal direction, a magnetic scaleaccommodated in the grooveand having north and south poles alternately formed in the longitudinal direction, and a cover memberthat covers the magnetic scaleand also the through holesof the track member