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:
Jan. 24, 2023
Filed:
Mar. 22, 2022
Applicant:
Nabtesco Corporation, Tokyo, JP;
Inventors:
Takuya Shinozaki, Tokyo, JP;
Etsuro Komori, Tokyo, JP;
Assignee:
NABTESCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 1/46 (2006.01); F16H 57/08 (2006.01); F16H 3/66 (2006.01); B60K 7/00 (2006.01); E02F 9/20 (2006.01);
U.S. Cl.
CPC ...
F16H 1/46 (2013.01); E02F 9/202 (2013.01); F16H 3/666 (2013.01); F16H 57/08 (2013.01); B60K 2007/0092 (2013.01); F16H 2200/201 (2013.01);
Abstract
Provided is a speed reducer including: a first reduction unit disposed at an input stage of a multi-stage reduction unit that decelerates a rotational driving force of an electric motor from an input stage side toward an output stage side and transmits the decelerated rotational driving force to a rotational drive unit; a first ring gear meshed with first planetary gears provided in the first reduction unit; and a third reduction unit disposed at an output stage of the multi-stage reduction unit and having a first case. The first ring gear is provided in the first case of the third reduction unit.