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:
Mar. 09, 2021
Filed:
Sep. 06, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A rotary electric rotor includes a rotor core having a shaft through-hole; a rotor shaft having a male screw portion on its first side; a washer having an annular structure with cutouts elastically deformable in a radial direction, having a washer tapered surface, and having an annular projection portion that extends in an axial direction from an end surface and is fixed to the rotor core in a state of being disposed in a gap between an inner circumferential surface of the shaft through-hole and an outer circumferential surface of the rotor shaft and pressing the inner circumferential surface of the shaft through-hole, the end surface and the washer tapered surface are opposite surfaces of the washer; and a nut having a female screw portion that meshes with the male screw portion and having a nut tapered surface that faces the washer tapered surface.