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. 24, 1981
Filed:
Dec. 20, 1977
Applicant:
Inventor:
Dennis L Keiser, Sanger, CA (US);
Assignee:
Keiser Corporation, Fresno, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
272130 ; 272D / ; 272D / ; 272D / ; 272143 ; 272144 ;
Abstract
An exercising device having a frame, a member borne by the frame for movement relative to the frame, a source of compressed gas, a reservoir having an internal chamber of adjustable capacity connecting in receiving relation to gas from the source, and an assembly interconnecting the member and the frame and connected to the reservoir for compression of a selected volume of gas in the internal chamber upon movement of the member relative to the frame.