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:
Oct. 22, 1991
Filed:
Dec. 14, 1989
Applicant:
Inventor:
Gary W Patterson, Durango, CO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
272130 ;
Abstract
A hydraulic exercise apparatus includes a hydraulic pump for pumping fluid through a fluid circuit in response to movement of an exercise member along an exercise stroke in such a manner that the force required to move the exercise member is dependent upon the pressure of fluid pumped. The fluid circuit includes valve means for allowing fluid to flow through the circuit only when a fluid pressure exceeds a selected pressure. The hydraulic exercise apparatus further includes pressure selection means for determining the selected pressure in accordance with the position of the exercise member along the exercise stroke.