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. 11, 1982
Filed:
Sep. 12, 1980
Applicant:
Inventor:
Richard M Hanula, Lyndhurst, OH (US);
Assignee:
Midland-Ross Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61G / ;
U.S. Cl.
CPC ...
213 / ;
Abstract
A rotary F coupler is disclosed as having a rotary connector and pivot pin arrangement which provides increased bearing contact between these two components. This is accomplished by the provision in the rotary connector of a dual diameter pinhole opening which is designed to receive a matingly configured dual diameter pivot pin which is distinct from prior art pivot pins that have a uniform diameter between its opposing ends.
Hanula, Richard. (1982). Rotary coupler with improved pin bearing (U.S. Patent No. 4328900). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4328900
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile