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:
Jun. 17, 2025
Filed:
Sep. 29, 2020
Hitachi, Ltd., Tokyo, JP;
Hideyuki Nakamura, Tokyo, JP;
Mitsuo Iwasaki, Tokyo, JP;
Takashi Miyanaga, Tokyo, JP;
Kimiyasu Yoshimura, Tokyo, JP;
Hiromitsu Nagarekawa, Tokyo, JP;
Shinji Kinoshita, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A rail vehicle includes a roof structure, a side structure, a gable end structure, and an underframe. The underframe is configured from a hollow shaped member that includes a first upper side face plate arranged at a central portion in a widthwise direction of the underframe, a first lower side face plate arranged at the central portion, a second upper side face plate arranged at an end portion and positioned below the first upper side face plate, a second lower side face plate arranged at the end portion and positioned below the first lower side face plate, a third upper side face plate that connects the first upper side face plate and the second upper side face plate to each other, and a third lower side face plate that connects the first lower side face plate and the second lower side face plate to each other.