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:
Sep. 20, 2016
Filed:
Mar. 16, 2011
Applicant:
John Anthony Rogers, Broadstone Dorset, GB;
Inventor:
John Anthony Rogers, Broadstone Dorset, GB;
Assignee:
Carlisle Fluid Technologies, Inc., Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 9/135 (2006.01); F04B 43/073 (2006.01); F04B 7/00 (2006.01); F04B 39/08 (2006.01);
U.S. Cl.
CPC ...
F04B 7/0015 (2013.01); F04B 39/08 (2013.01); F04B 43/0736 (2013.01); F04B 9/135 (2013.01);
Abstract
A novel changeover mechanism for a compressed air driven double diaphragm pump comprises a shaft slidably mounted through aligned apertures in opposing surfaces of the twin diaphragm chambers. At the center of the shaft between the two diaphragm chambers is provided an annular notch in to which is located an arm extending from a U shaped frame. The U shaped frame is pivotally mounted atop a valve plate which includes multiple ports.