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:
Sep. 03, 2019
Filed:
Jan. 25, 2016
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, Hyogo, JP;
Yasufumi Okumura, Kobe, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe-shi, JP;
Abstract
An axle box suspension of a railcar bogie is configured to couple an axle box, accommodating a bearing supporting an axle, to a bogie frame and includes: an axle beam including an axle beam main body portion and an axle beam end portion, the axle beam main body portion extending from the axle box in a car longitudinal direction, the axle beam end portion being provided at a tip end of the axle beam main body portion and including a tubular portion that is open at both car width direction sides; a core rod inserted into an internal space of the tubular portion in a car width direction; an elastic bushing interposed between the tubular portion and the core rod; and a receiving seat provided at the bogie frame, both end portions of the core rod being connected to the receiving seat, the tubular portion being divided into a first semi-tubular portion and a second semi-tubular portion, the first semi-tubular portion being formed integrally with the axle beam main body portion, the second semi-tubular portion being stacked on the first semi-tubular portion in an upward/downward direction.