An object of the invention is to provide an exerciser usable by compression between the hands or parts of the body or limbs.
"The invention relates to physical exercisers for human use, and seeks to provide in a single device means whereby a large variety of beneficial exercises for the body and limbs may be carried out. Arthur William Chapman Ī second device, invented in 1937 by Arthur William Chapman would be used to create the Bullworker. The objects of the invention are to devise a portable exercising apparatus particularly for the development of the chest and arm muscles, suitable for both old and young persons by reason of the interchangeability of the resilient member and generally to provide an exercising apparatus to be operated by the hands and arms, simple in construction, cheap to manufacture, durable and interchangeable as to its parts". "The invention consists essentially in the novel construction and arrangement of parts whereby spring controlled telescopic members are embodied in an exercising apparatus in a special manner more particularly described hereinafter.
It consisted of three sleeved, spring-loaded, telescopic cylinders in the center, with two hand grips affixed at the outermost ends. The device looked quite like the first bullworker to come (without strings). The original device was patented in 1912 by an American Citizen from Brooklyn, Arthur A.
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