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. 21, 1991
Filed:
Jan. 16, 1990
Mark E Lanham, Kansas City, MO (US);
Unit Rail Anchor Company, Hillside, IL (US);
Abstract
Resilient railroad fastener system comprising an elongated shoulder member and spring clip to be so applied and combined with the shoulder member as to create a toe load applied downward to the rail; the shoulder member having a reaction surface to be engaged at a first angle by one arm of the spring clip and the shoulder member being configured with a capturing surface to capture the other spring arm while cocking the spring clip at an angle to the horizontal when the spring clip is applied to the shoulder member; whereby when installed the spring clip has a toe load impressed thereon which is the vector sum of the clip load and shoulder reaction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile