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. 20, 2001
Filed:
Dec. 14, 1998
Applicant:
Inventor:
Takashi Harada, Osaka, JP;
Assignee:
Tacmina Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01B 1/900 ;
U.S. Cl.
CPC ...
F01B 1/900 ;
Abstract
A pneumatically driven bellows pump includes a bellows that is reciprocable by a driving force effected by air. The bellows has an integral form of a bellows body, an expansion portion and a mounting portion. The mounting portion includes a threaded member, through which the bellows is brought into threaded engagement with a threaded member formed in a pump-driving member in such a manner as to seal the bellows.