1982-08-30
1985-03-19
Hafer, Robert A.
Undertaking
272DIG4, 272DIG9, A63B 2304
Patent
active
045054762
ABSTRACT:
A portable exerciser includes a rotatable platform on which a person desiring exercise can walk or run and adjustable height handholds which the person exercising can grasp to maintain balance. Auxiliary legs are provided permitting the surface of the exerciser to be tilted in simulation of a hill and an adjustable brake controls the amount of resistance to motion for varying the exercise content of the activity. The walking or running surface may be folded or rotated into alignment with the posts supporting the handholds for compactness of storage and transportation.
REFERENCES:
patent: 2573808 (1951-11-01), Ravoire
patent: 2827894 (1958-03-01), Meyers
patent: 3372930 (1968-03-01), Sertich
patent: 3784193 (1974-01-01), Simjian
patent: 3936047 (1976-02-01), Brandt et al.
patent: 4200282 (1980-04-01), Agyagos
patent: 4252312 (1981-02-01), Dehan
Hafer Robert A.
Kramer Arnold W.
Morrison Thomas R.
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