04635933 is referenced by 28 patents and cites 15 patents.

A muscle toning, strengthening or exercising machine has an arm provided with grips or other body-engaging members and swingable about an axis defined by a shaft to which the arm is coupled. This shaft is connected to another shaft by a transmission having a selected transmission ratio and the other shaft is connected to an electric motor which controls the force supplied for exercising, e.g. via a crank mechanism.

Title
Training apparatus
Application Number
555470
Publication Number
4635933
Application Date
October 4, 1985
Publication Date
January 13, 1987
Inventor
Josef Schnell
Sportweg 9, 8899 Gachenbach
DE
Agent
Herbert Dubno
Karl F Ross
IPC
A63B 21/24
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