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:
May. 08, 1984
Filed:
Mar. 10, 1982
Applicant:
Inventor:
Yoshio Matsuo, Tokyo, JP;
Assignee:
Tetsudo Kizai Kogyo Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
238341 ; 238349 ; 238351 ; 238360 ;
Abstract
A cam actuated elastic rail securing device comprises a spring member which is adapted to engage the flange of a rail and to cooperate with a rotary cam element to apply an elastic restraining force to the rail when the cam is rotated relative to an anchor and slid axially to lock the cam against reverse rotation.
Matsuo, Yoshio. (1984). Cam type elastic rail fastening device (U.S. Patent No. 4447006). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4447006
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile