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.

Date of Patent:
Apr. 05, 1977

Filed:

Feb. 27, 1975
Applicant:
Inventor:

Hirokazu Nakamura, Kyoto, JA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; F04B / ; F04B / ;
U.S. Cl.
CPC ...
417471 ; 92 84 ;
Abstract

A diaphragm air pump comprising a diaphragm assembly in a housing to define therewithin a compression chamber and connecting means for transmitting an actuating force from a shaft of an engine to said assembly. The air pump includes resilient means between a diaphragm and said connecting means, thereby increasing the output of the pump at low or middle speed revolutions of the engine.


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