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. 18, 1995
Filed:
Jan. 07, 1994
Applicant:
Inventors:
Carl A Tracy, Evanston, IL (US);
Elizabeth A Ellinger, Skokie, IL (US);
Assignee:
Fluid Management Limited Partnership, Wheeling, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222137 ; 222333 ;
Abstract
A dispenser for flowable materials such as liquids includes a pair of stationary plates, with a movable plate therebetween. Pumps are mounted between the movable plate and at least one of the stationary plates. A drive system moves the middle plate toward and away from the stationary plates to provide a pumping action. The pumps are mounted to a stationary plate with an adapter, which extends through the plate. A valve assembly is mounted on the reverse side of the stationary plate in registry with the pumps.