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:
Apr. 12, 1983
Filed:
Jul. 07, 1980
Applicant:
Inventor:
John Papsdorf, Lake Orion, MI (US);
Assignee:
Liberty Hardware Manufacturing Corp., Long Island City, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05D / ;
U.S. Cl.
CPC ...
29 11 ; 16321 ; 16337 ; 16386 ;
Abstract
A method of making a hinge having a tongue component with an integral pin portion. The tongue component is formed by rolling up a free end of a shaped sheet metal blank and intermittently shaping the rolled portion with dies. The roll or degree of rotation inparted to the free end of the sheet metal blank to form the pin should preferably be between 475.degree. and 550.degree..