Wheel-type resistance device for a bicycle exerciser

Details Wheel-type resistance device for a bicycle exerciser Wheel-type resistance device for a bicycle exerciser

1998-06-03

1999-03-09

Crow, Stephen R.

Exercise devices

Involving user translation or physical simulation thereof

Bicycling

482903, 188164, A63B 2206, F16F 1503

Patent

active

058792732

ABSTRACT:
A wheel-type resistance device includes a flywheel which is rotated together with a hub member around an axle and which has an accommodation chamber indented axially to form a first circumferential portion that extends in a radial direction relative to the axle. A plurality of magnetically attractive members have magnetically permeable members thereon and are angularly displaced on the first circumferential portion. A dragging force adjusting member is mounted on the axle and is shiftable in the axial direction. The adjusting member has a left major surface with a second circumferential portion opposing the first circumferential portion for mounting a plurality of magnets so that the magnets will be drawn by the magnetically attractive members through the permeable members when the flywheel rotates. A shifting member is operable to shift the adjusting member away from the flywheel so as to decrease the dragging force imposed upon the rotation of the flywheel. A coil spring biases the adjusting member toward the flywheel against the action of the shifting member.

REFERENCES:
patent: 4146806 (1979-03-01), Katsumata
patent: 4550697 (1985-11-01), Campen
patent: 5072930 (1991-12-01), Sun
patent: 5096024 (1992-03-01), Wu
patent: 5234083 (1993-08-01), Lee
patent: 5236069 (1993-08-01), Peng
patent: 5247854 (1993-09-01), Wu
patent: 5586624 (1996-12-01), Ko et al.

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