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:
Oct. 20, 2020
Filed:
Aug. 07, 2015
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Junnosuke Nakatsugawa, Tokyo, JP;
Yasuaki Aoyama, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
To provide a linear motor and device which suppress contact of a movable element with a core. The linear motor includes: a movable element having a permanent magnet; and an armature having magnetic pole teeth located in an up/down direction of the movable element, a winding wound around the magnetic pole teeth, and an arm part extending in a right/left direction of the movable element. The movable element and the armature make relative movement in a front/back direction. The linear motor includes a protective member which is located between the arm part and the movable element and in which a movable element facing surface facing the movable element is located inside an outer end of the winding.