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.:

US 7070400 B1

Date of Patent:

Jul. 04, 2006

Filed:

Dec. 20, 2001

Diaphragm pump with eliminated pump chamber dead space, and circular recesses on the reverse side of the diaphragm for improved diaphragm chamber wall adherence

Applicant:

Andy Greter, Steinhausen, CH;

Inventor:

Andy Greter, Steinhausen, CH;

Assignee:

Medela AG, Baar, CH;

Attorney:

Baniak, Pine and Gannon

Primary Examiner:

Charles G Freay

Assistant Examiner:

Emmanuel Sayoc

Int. Cl.

CPC ...

F04B 17/03 (2006.01);

U.S. Cl.

CPC ...

Abstract

The diaphragm suction pump has a pump chamber () located in a base plate (), the wall of said chamber extending in a conical manner from a central flat base section (') to the lateral edge (). The elastic pump diaphragm (), which spans the pump chamber (), is configured in such a way that it lies tightly against the entire pump chamber wall at the top dead center point of the drive connecting rod (). The diaphragm () consists of a self-supporting elastic material with rear recesses (), which form hinges that can be elastically pretensioned during the operation of the diaphragm ().

Find Patent Forward Citations

Greter, Andy. (2006). Diaphragm pump with eliminated pump chamber dead space, and circular recesses on the reverse side of the diaphragm for improved diaphragm chamber wall adherence (U.S. Patent No. 7070400). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7070400

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