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:
May. 17, 2016
Filed:
Jun. 10, 2013
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, Hyogo, JP;
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Yoshi Sato, Kobe, JP;
Yukitaka Taga, Kobe, JP;
Kazuo Isomura, Kobe, JP;
Makoto Tamaki, Kobe, JP;
Junichi Shirakawa, Kobe, JP;
Koichi Murata, Kobe, JP;
Hirokazu Haraguchi, Osaka, JP;
Takayuki Sawa, Osaka, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Oaska, JP;
Abstract
A railcar bogie includes: a bolster located under a carbody of a railcar; an air spring including an air spring main body in which air is stored, the air spring being arranged between the carbody and the bolster; a coil spring arranged between the air spring and the bolster and configured to separate the air spring from the bolster by restoring force thereof in a state where a height of the carbody is maintained at a certain height regardless of the air spring; and a limiting member configured to limit the amount of displacement of the coil spring to limit the amount of separation between the air spring and the bolster.