Undertaking
Patent
1988-09-30
1990-05-01
Apley, Richard J.
Undertaking
272118, 272129, 73379, 340665, A63B 2106
Patent
active
049212443
ABSTRACT:
An apparatus for positive muscle training has a motor-driven auxiliary force device for applying a force to aid the force applied by the trainee to overcome a weight or other counterforce. A control device senses the speed of movement of a cable caused by the force applied by the trainee and actuates the motor of the auxiliary force device when the speed falls below a predetermined value. The control device causes the auxiliary force to increase gently from zero until the predetermined value is reached once more.
REFERENCES:
patent: 4650185 (1987-03-01), Cartwright
patent: 4746113 (1988-05-01), Kissel
patent: 4750739 (1988-06-01), Lange
patent: 4765610 (1988-08-01), Sidwell
Apley Richard J.
Cheng, Jr. Joe H.
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