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. 12, 1987
Filed:
May. 01, 1985
Applicant:
Inventor:
Jerry D Shew, Niles, IL (US);
Assignee:
Stewart-Warner Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
222287 ; 222256 ; 222288 ; 222309 ; 222383 ; 222409 ; 74522 ; 92 134 ; 92 137 ; 1841052 ;
Abstract
A hand lever operated grease gun that has both high pressure and high volume modes by changing the mechanical advantage of the lever acting on a dispensing piston. A spring biased pivotal connection between the lever and a forwardly mounted supporting link is shiftable between two positions by depression of the lever against the biasing force of the spring.