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:
Mar. 27, 1990
Filed:
May. 04, 1989
Applicant:
Inventors:
Shuuichi Buma, Toyota, JP;
Nobutaka Ohwa, Toyota, JP;
Osamu Takeda, Susono, JP;
Hajime Kamimae, Toyota, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
417439 ; 280711 ; 417542 ;
Abstract
An air pressure circuit comprising a compressor cylinder which is divided into two chambers by a slidable piston, a suction port and an exhaust port each, having a valve and mounted on one chamber of the cylinder, inhaling air of a pressure higher than that of atmospheric air form the suction port and exhausting the piston-compressed air from the exhaust port. The air pressure in the side of suction port is introduced from the other chamber of the cylinder.