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. 23, 2019
Filed:
Dec. 17, 2012
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka-ken, JP;
Tomoyoshi Utsumi, Shizuoka-ken, JP;
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka-ken, JP;
Abstract
A linear motor includes a stator having a core and an armature including coils respectively attached to the cores. A mover includes a shaft-like member having an opposed surface opposed to the armature and a field magneton made of a plurality of permanent magnets arrayed along the shaft-like member and fixed to the opposed surface. A frame member is configured to support the stator. A retaining member is attached to the frame member and configured to retain the shaft-like member movably in the longitudinal direction thereof such that the mover is movable in the first direction with respect to the stator.