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:
Sep. 19, 2023
Filed:
Apr. 20, 2022
Nidec Corporation, Kyoto, JP;
Yoshihisa Okuhata, Kanagawa, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A gearbox and a motor driver having the gearbox are provided. The gearbox includes: a first gear, configured to be rotatable around a first gear shaft parallel to a first direction; a second gear, configured to be rotatable around a second gear shaft parallel to the first gear shaft, and the second gear engages with the first gear, and an outer diameter of the second gear is larger than an outer diameter of the first gear; a parking gear portion, configured to be rotatable around the second gear shaft; a rotation prevention member, configured to be movable between a position where the rotation prevention member is interposed between teeth of the parking gear portion and a position where the rotation prevention member is not interposed between the teeth of the parking gear portion; and a transmission mechanism, configured to transmit a driving force to the rotation prevention member.