1989-04-13
1990-07-24
Apley, Richard J.
Undertaking
272 69, 272 96, 128 25B, A63B 2304
Patent
active
049430505
ABSTRACT:
An exerciser to develop muscles used in running in which a user stands on one foot and strokes a wheel with the other foot causing the wheel to rotate. The resistance to turning of the wheel which corresponds to horizontal force can be preset by the user. The rotational velocity attained by the wheel corresponds to leg speed when the foot hits the ground. The wheel is mounted on a hinge support so that the device also monitors stroke frequency and the vertical force with which the foot hits the wheel.
REFERENCES:
patent: 3580083 (1971-05-01), Zipser
patent: 3602502 (1971-08-01), Hampl
patent: 4216956 (1980-08-01), Yamamura et al.
patent: 4521010 (1985-06-01), Hahn
patent: 4749182 (1988-06-01), Duggan
"Graphic Symbols for Electronic Circuits", by Electronics Magazine, 1982.
Apley Richard J.
Cheng Joe H.
Smith Robert S.
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