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:
Apr. 07, 2026
Filed:
Dec. 13, 2022
Hitachi, Ltd., Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
Provided is a railway vehicle capable of constructing a highly reliable seal for a side hinged door with a small number of manufacturing steps. The railway vehicle includes: a side structure; an opening portionprovided in the side structure; a side hinged doorconfigured to close the opening portion; a door pillarprovided on a vehicle interior side of a peripheral edge portion of the opening portion; a retainerprovided on the door pillar; and an expandable seal rubbergripped by the retainerand expanded by pumped air. The retainerincludes a seal damming portionthat protrudes toward the opening portion
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile