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:
Sep. 10, 1991
Filed:
Jul. 31, 1990
Applicant:
Inventors:
William T Wilkinson, Chesapeake City, MD (US);
Gregory J Gayle, Wilmington, DE (US);
Assignee:
Whatnot, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ; A63B / ; A63B / ;
U.S. Cl.
CPC ...
272141 ; 272 67 ; 272140 ; 272131 ; 272143 ;
Abstract
A wrist exercise device includes a hollow shaft which houses a pair of compression springs. Tension disks are provided at the remote ends of the springs. The disks are moved toward and away from each other by turning a tension knob at one end of the device to increase or decrease the resistance from a pair of friction pads on each side of a handle at each end of the device. A resistance indicator is provided at one end of the device.