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:
Feb. 13, 1979
Filed:
Jul. 11, 1975
Applicant:
Inventors:
William G Hermann, Arlington Heights, IL (US);
Manuel I Martin, Hoffman Estates, IL (US);
Rolf Meyer, Des Plaines, IL (US);
Assignee:
G. D. Searle & Co., Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ;
U.S. Cl.
CPC ...
92 87 ; 222409 ; 417399 ; 417430 ;
Abstract
A hydraulic pump is provided which includes a plurality of housings, each of which has an upright cylindrical cavity formed therein, and a plurality of plungers, one for each cavity. The housings are removably mounted on a common support and the plungers are removably mounted on a common actuating member which is adapted to move in a linear path relative to the support and simultaneously move the plungers relative to the housing cavities.