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:
Mar. 20, 2018

Filed:

Oct. 20, 2014
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Yukihide Yanobu, Tokyo, JP;

Hiroyuki Kono, Tokyo, JP;

Akihisa Kawauchi, Tokyo, JP;

Kousuke Katahira, Tokyo, JP;

So Tamura, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B61F 5/38 (2006.01); B61B 13/04 (2006.01); B61F 5/46 (2006.01); B61F 3/16 (2006.01); B61F 5/14 (2006.01);
U.S. Cl.
CPC ...
B61F 5/38 (2013.01); B61B 13/04 (2013.01); B61F 3/16 (2013.01); B61F 5/148 (2013.01); B61F 5/46 (2013.01);
Abstract

This traveling bogie is provided with: steered wheels; a main body for supporting the steered wheels; a guide device turning when subjected to a reaction force from a guide rail; a steering mechanism for applying a steering force to the steered wheels utilizing the reaction force applied to the guide device; and an assist mechanism for applying an assist steering force to the steered wheels, the assist steering force assisting the steering force applied by the steering mechanism. The assist mechanism is provided with: a first operation arm pivoting together with the steered wheels in the direction in which the steered wheels are steered; a second operation arm rotating about a rotation axis relative to the main body in response to the turning of the guide device; and an elastically deformable section connected to the first operation arm and the second operation arm and elastically deformable.


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