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:
Jul. 13, 2021
Filed:
Aug. 23, 2018
Nippon Steel Corporation, Tokyo, JP;
University of Iowa Research Foundation, Iowa City, IA (US);
Yohsuke Yamazaki, Tokyo, JP;
Osamu Kondo, Tokyo, JP;
Takanori Kato, Tokyo, JP;
Takahiro Fujimoto, Tokyo, JP;
Hiroyuki Sugiyama, Iowa City, IA (US);
Christofer Feldmeier, Iowa City, IA (US);
NIPPON STEEL CORPORATION, Tokyo, JP;
UNIVERSITY OF IOWA RESEARCH FOUNDATION, Iowa City, IA (US);
Abstract
The wheel is for a railway vehicle that travels on a rail. The wheel includes a wheel tread, a flange and a throat portion. The wheel tread is provided at an outer circumferential portion of the wheel. The wheel tread faces a head surface of the rail. The flange is provided at the outer circumferential portion of the wheel. The flange projects further outward than the wheel tread in the radial direction of the wheel. The throat portion connects the surface of the flange and the wheel tread. The throat portion has a protrusion. The protrusion projects to the rail side. The protrusion extends along the entire circumference of the throat portion.