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. 16, 1976
Filed:
Oct. 15, 1973
Applicant:
Inventor:
Susumu Sugiura, Yokohama, JA;
Assignee:
Tokico Ltd., Kawasaki, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
92 63 ; 92 65 ; 92133 ; 92152 ;
Abstract
An actuating force generating device has a multi-stage cylinder body consisting of a plurality of cylinders having different diameters and arranged in series; a plurality of pistons slidably fitted in the cylinders, respectively; fluid ports each provided in the cylinders to discharge or introduce fluid from or into the cylinders; a container provided in the rear of the multi-stage cylinder body; a piston rod forming an actuating end projecting from the multi-stage cylinder body, said rod extending through a rod guide and being affixed to the forward piston; and a resilient member adapted to urge the rearmost piston forwardly.