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:
Aug. 05, 1997
Filed:
Jan. 16, 1996
Applicant:
Inventor:
Robert J West, Pownal, ME (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21J / ; B21D / ; B21F / ;
U.S. Cl.
CPC ...
7240902 ; 724091 ; 72407 ; 7245315 ; 724528 ;
Abstract
A lightweight pneumatic hog ring gun utilizing a pair of pivoting jaws to catch and retain a hog ring for application when a power wedge spreads the rear of the jaws apart, clinching the hog ring, with a lock piston that retains tension on the rear of the jaws before spread by the power wedge to aid in retention of the hog ring. The pneumatic hog ring gun also includes an improved air pressure control mechanism and a shorter, lightweight main piston chamber formed within its frame.