3874660 is referenced by 22 patents and cites 8 patents.

A device for use in performing isometric exercises having a handle and a weight at one end of the handle offset from the longitudinal, turning axis of the handle. The handle defines a plurality of grasping positions for varying the effective torque of the weight relative to the user's hands. The mass of the weight is selectively adjustable.

Title
Exercise device
Application Number
05/381,210
Publication Number
3874660
Application Date
July 20, 1973
Publication Date
April 1, 1975
Inventor
Brethen Chester Arthur
Agent
Hofgren Wegner Allen Stellman & McCord
IPC
A63b 23/00
A63B 15/00
View Original Source