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. 26, 2019
Filed:
Jan. 19, 2018
Mitsuba Corporation, Gunma, JP;
Nhk Spring Co., Ltd., Kanagawa, JP;
Naohiro Iwatate, Gunma, JP;
Junichi Busujima, Gunma, JP;
Kenichi Katsube, Kanagawa, JP;
Takeshi Nakamura, Kanagawa, JP;
MITSUBA CORPORATION, Gunma, JP;
NHK SPRING CO., LTD., Kanagawa, JP;
Abstract
A seathas a seat cushionand a seat backand is mounted on a vehicle such as a car. A reclining mechanismcapable of adjusting the tilt angle of the seat backis provided between the seat cushionand the seat back. The reclining mechanismhas a seat driving deviceprovided with an electric motorand a speed reduction mechanism. The speed reduction mechanismhas a worm shaftconnected to a motor shaftof the motorand a worm wheelmeshed with a wormof the worm shaft. The wormis a multi-thread worm having two or more threads.