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:
Oct. 13, 2020
Filed:
Dec. 05, 2016
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, Hyogo, JP;
Takehiro Nishimura, Kobe, JP;
Yoshi Sato, Sanda, JP;
Yukitaka Taga, Kobe, JP;
Yousuke Tsumura, Kobe, JP;
Keiichiro Kamura, Kobe, JP;
Fumikazu Kounoike, Kakogawa, JP;
Koichi Murata, Kobe, JP;
Francois Olivier Uchida, Kobe, JP;
Yuta Yoshimatsu, Kobe, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe, JP;
Abstract
A railcar steering bogie includes: a bogie frame including a cross beam; pair of axles; axle boxes accommodating bearings; axle box suspensions each including a coupling member coupling the corresponding axle box and bogie frame while allowing relative displacement in a car longitudinal direction; plate spring extending in the car longitudinal direction and including car longitudinal direction end portions extending obliquely upward along the car longitudinal direction and supported above the respective axle boxes and a car longitudinal direction middle portion unfixedly arranged under the cross beam; support seats including respective inclined upper surfaces and supporting the both respective longitudinal direction end portions of the plate spring; and gap bodies each provided between an upper surface of the corresponding axle box suspension and a lower surface of the corresponding support seat and configured to allow displacement of the axle box suspension and the support seat in the car longitudinal direction.