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:
Oct. 24, 2000
Filed:
Oct. 01, 1998
Applicant:
Inventors:
Steven W Post, Jonesboro, AR (US);
William T Kowalchik, Jonesboro, AR (US);
Assignee:
McNeil (Ohio) Corporation, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
222333 ;
Abstract
A battery operated grease gun includes a pump mechanism that employs a speed reducing and torque increasing planetary gearing transmission which rotates a final driver that is a part of the transmission, and a sliding yoke that is reciprocated by the final driver and is coupled to a plunger that dispenses the grease under pressure where the plunger is mounted to the yoke for relative movement therebetween.