Exercise bicycle for exercising arms and legs

Details Exercise bicycle for exercising arms and legs Exercise bicycle for exercising arms and legs

1989-01-19

1989-08-01

Crow, S. R.

Undertaking

74 48, A63B 2100

Patent

active

048528722

ABSTRACT:
An exercise bicycle has a wheel axle which is journalled on a frame. Two swing arms are secured to two opposite end portions of the wheel axle. Two hand operated swing levers are mounted pivotally on the frame at their lower ends. Each of the levers includes an upper lever portion, a lower lever portion, and two parallel rods interconnecting the upper and lower lever portions for defining a slide slot therebetween. Each of the swing arms has a crank pin member on which a sheave is sleeved rotatably. Each of the sheaves has an annular groove of a generally V-shaped cross-section which engages with the arcuated inner side portions of the rods so that the sheave can slide smoothly in the slide slot. A suspended wheel is sleeved rotatably on the wheel axle by a hub. A front pulley is sleeved rigidly on the hub and is connected to a rear pulley by a v-belt. The rear pulley can be indirectly rotated by a user's hands and/or feet.

REFERENCES:
patent: 254082 (1882-02-01), Wiard
patent: 326247 (1885-09-01), Root
patent: 4188030 (1980-02-01), Hooper
patent: 4657244 (1987-04-01), Ross
patent: 4705269 (1987-11-01), DeBoer

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