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. 25, 2014
Filed:
Mar. 29, 2010
Yoshitaka Koga, Chiryu, JP;
Eiichiro Tsuji, Gifu, JP;
Yoshitaka Koga, Chiryu, JP;
Eiichiro Tsuji, Gifu, JP;
Aisin Seiki Kabushiki Kaisha, Kariya-shi, JP;
Abstract
A speed reduction device for a power seat adapted to be fixed to a seat frame, the speed reduction device includes a worm gear rotating with a motor output shaft, a helical gear meshed with the worm gear and rotating with a drive shaft driving a movable portion of the power seat, and a casing accommodating the worm gear and the helical gear. The casing includes a casing body rotatably supporting the worm gear, a casing cover tightened to the casing body, annular fitting portions fitted to each other, a first engagement portion formed at an outer circumferential side of the annular fitting portion of one of the casing body and the casing cover, a second engagement portion formed at the other of the casing body and the casing cover and engaging with the first engagement portion, and a tightening means tightening the casing cover to the casing body.