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:
Jun. 30, 2020
Filed:
Mar. 30, 2016
Hitachi Metals, Ltd., Tokyo, JP;
Seiki Takedomi, Takasaki, JP;
Osamu Kakutani, Musashimurayama, JP;
Yoshitaka Takagi, Musashimurayama, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
The linear motor includes a stator and a mover. The stator includes: a board part having a rectangular plate shape, a plurality of magnetic pole teeth which are juxtaposing to each other on the board part and around each of which a coil is wound, and an auxiliary tooth which is arranged in an end part of the board part in a juxtaposed direction in a manner of being separate from the magnetic pole teeth and around which a coil is not wound. The mover includes: a plurality of magnets whose tip surfaces face the stator, and a back yoke having a rectangular plate shape in which the plurality of magnets are aligned in a straight line such that magnetic poles are alternately formed.