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.:

US 9352760 B1

PDF
Full Text
Expired
Date of Patent:
May. 31, 2016

Filed:

Sep. 20, 2012
Applicant:

Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;

Inventor:

Yoshiyuki Shimokawa, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61J 3/00 (2006.01); B61F 5/50 (2006.01); B61F 5/38 (2006.01); B61F 3/00 (2006.01); B61F 5/30 (2006.01); B61F 19/00 (2006.01);
U.S. Cl.
CPC ...
B61F 5/50 (2013.01); B61F 3/00 (2013.01); B61F 5/301 (2013.01); B61F 5/38 (2013.01); B61F 19/00 (2013.01);
Abstract

A tread surface cleaning system has a cleaning element mounted to a truck frame of a steering truck in a position facing a tread surface of a wheel. The cleaning element moves freely to come into contact with and to move away from the tread surface. A pressing-load application spring biases the cleaning element toward the tread surface and a stopper restrains the cleaning element from approaching the tread surface. A forward and backward movement of a wheel axlein the travel direction caused by steering is used so that the cleaning element makes contact only on the inner rail side toward which the tread surface of the wheel approaches when passing through a curved section. The cleaning element does not make contact on the outer rail side from which the tread surface moves away when passing through a curved section and when traveling through a straight section.


Find Patent Forward Citations

Shimokawa, Yoshiyuki. (2016). Railway vehicle steering truck (U.S. Patent No. 9352760). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9352760

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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