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. 19, 1994
Filed:
Jul. 30, 1993
Applicant:
Inventors:
Hirotsugu Oishibashi, Tokyo, JP;
Soji Fujimori, Musashino, JP;
Muneyuki Ohara, Musashino, JP;
Haruo Yokoyama, Kokubunji, JP;
Akihiro Hosokawa, Nishinomiya, JP;
Kosuke Nagai, Osaka, JP;
Hideshi Miyazaki, Osaka, JP;
Assignees:
Sumikin Osaka Plant Engineering Co., Ltd., Osaka, JP;
Railway Technical Research Institute, Tokyo, JP;
Sumitomo Metal Technology Inc., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ; B24B / ;
U.S. Cl.
CPC ...
51178 ; 51 2 / ; 5117 / ;
Abstract
A rail grinding apparatus for railroad rails has a grinding belt wrapped around motor-driven pulleys which are rotatably mounted on a frame. The frame is supported on the surface of a rail by rollers which bear the weight of the grinding apparatus. A noise guard surrounds the grinding belt to reduce noise.