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:
Jan. 03, 1989
Filed:
Mar. 06, 1987
Applicant:
Inventor:
Robert C Schisler, Akron, OH (US);
Assignee:
The Goodyear Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ; F01B / ;
U.S. Cl.
CPC ...
192 / ; 192 / ; 192 / ; 92 92 ; 92107 ;
Abstract
This invention is a fluid actuator of the rolling lobe form in which a closed toroidal flexible membrane forms concentric rolling lobes on the inside and outside surfaces of an annular piston which moves axially into the membrane. The fluid actuator can be used in brake and clutch assemblies where the actuator is connected to a high pressure fluid source and serves to activate the brake or clutch assembly, a shaft or axle can pass through the center of the toroid.