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:
Nov. 16, 2021
Filed:
Sep. 20, 2019
Nidec Servo Corporation, Kiryu, JP;
Norihisa Imaizumi, Kiryu, JP;
Tsuyoshi Nakagawa, Kiryu, JP;
NIDEC SERVO CORPORATION, Gunma, JP;
Abstract
A motor includes a rotor rotatable about a central axis, and a stator opposing the rotor in a radial direction. The stator includes a stator core including an annular core back and teeth extending in the radial direction from the core back, bobbins attachable to the teeth, respectively, in the radial direction, a coil wire wound around the bobbin, the bobbin including a cylindrical tube portion extending in the radial direction and a protruding piece that protrudes in the radial direction from an upper end, close to the core back, of the tube portion and is fixed to the core back, and an annular fixing member covering the core back and the protruding piece from an upper side.