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:
Jan. 26, 1982
Filed:
Jul. 02, 1979
Applicant:
Inventors:
Yoshio Matsuo, Tokyo, JP;
Kentaro Matsubara, Tokyo, JP;
Assignee:
Tetsudo Kizai Kogyo Company Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
238349 ; 238315 ;
Abstract
An elastic rail fastening device for securing a rail to a concrete tie having a spike secured therein. A top pressing spring engages the top surface of the rail flange for holding the rail against the tie. One end of the spring is supported beneath a shoulder on the metal spike. A spring receiver is fitted to the tie, and the other end of the top spring bears thereagainst. A side spring is inserted between the side of the rail flange and the spring receiver to receive transverse pressure working on the rail.