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:
Feb. 03, 1987
Filed:
Feb. 06, 1985
Applicant:
Inventor:
William O Elliott, Pittsburgh, PA (US);
Assignee:
McConway & Torley Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61G / ;
U.S. Cl.
CPC ...
213155 ;
Abstract
A knuckle for a railway coupler in which an annular knuckle pin support wall is located between upper and lower knuckle pin holes. The knuckle pin support wall in one embodiment is an annular rib and in another embodiment, a continuous wall is formed between knuckle pin holes to prevent fatigue fracture of the pin due to bending fatigue.
Elliott, William. (1987). Knuckle structure to prevent knuckle pin failure in a railway coupler (U.S. Patent No. 4640422). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4640422
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile