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:
Jul. 04, 1978
Filed:
Dec. 23, 1976
Applicant:
Inventor:
John J Rozmus, Berwyn, PA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 7816 ; 228 / ; 2963 / ; 219 / ; 219 87 ; 2191 / ; 219 8631 ;
Abstract
Electrodes are incorporated in a progressive die to weld precious metal to spring contact body being formed by the die. One electrode is carried by the die bolster and the other electrode is carried by a pivotally mounted narrow arm projecting into the die. The arm is moved into welding position when engaged by a narrow, leaf spring carried by the punch pad bolster and also projecting into the die.