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.

Date of Patent:
Oct. 27, 2020

Filed:

Mar. 02, 2018
Applicant:

Nabtesco Corporation, Tokyo, JP;

Inventors:

Koji Nakamura, Tsu, JP;

Takashi Naruse, Tsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 17/04 (2006.01); B60K 1/00 (2006.01); B60K 7/00 (2006.01); F16H 57/025 (2012.01); F16H 57/03 (2012.01); F16H 57/02 (2012.01); F16H 1/28 (2006.01);
U.S. Cl.
CPC ...
B60K 17/046 (2013.01); B60K 1/00 (2013.01); B60K 7/0007 (2013.01); F16H 57/025 (2013.01); F16H 57/03 (2013.01); B60K 2007/0092 (2013.01); B60Y 2200/62 (2013.01); F16H 1/28 (2013.01); F16H 2057/02034 (2013.01);
Abstract

A speed reducer which decelerates rotation input from a motor and outputs decelerated rotation to a wheel includes: a case fixed to a carriage body; an input portion for receiving the rotation input from the motor; an output portion for outputting the rotation to the wheel; and a speed reducing mechanism at least partially housed in the case and configured to decelerate rotation of the input portion and transmit the decelerated rotation to the output portion. The maximum outer radius of the case from the rotation axis of the output portion is larger than the radius of the wheel, and the minimum outer radius of the case from the rotation axis of the output portion is smaller than the radius of the wheel.


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