Structure of stationary bicycle magnetic retarding field

Details Structure of stationary bicycle magnetic retarding field Structure of stationary bicycle magnetic retarding field

1991-03-05

1992-03-10

Crow, Stephen R.

Undertaking

272129, A63B 6916, A63B 2124

Patent

active

050944479

ABSTRACT:
A magnetic retarding field generating mechanism comprising a substantially U-shaped bridging member having two sets of magnets at one end symmetrically disposed at the two opposite sides of a flywheel to produce a magnetic field therebetween for retarding said flywheel. The bridging member has an opposite end coupled to the wheel axle of the flywheel so that the relative position between the magnets and the flywheel does not change. A screw rod is driven by a motor to carry the bridging member to move forwards or backwards so as to change the retarding force applied onto the flywheel according to the depth the flywheel cuts in the magnetic field.

REFERENCES:
patent: 4752066 (1988-06-01), Housayama
patent: 4775145 (1988-10-01), Tsuyama
patent: 4822032 (1989-04-01), Whitmore et al.
patent: 4826150 (1989-05-01), Minouva

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