1990-03-26
1991-01-08
Crow, Stephen R.
Undertaking
272129, 434247, A63B 6916
Patent
active
049829530
ABSTRACT:
An apparatus is set forth including a forward and rearward support roller orthogonally and rotatably mounted upon spaced rails. The rear support roller includes a rear belt member rotatably mounted therewith and cooperative with a forward pulley. The forward pulley is fixedly mounted to a cylindrical support shaft rotatably mounted within an adapted block mounted between the forward and rear support roller upon the right frame rail. The support shaft includes a mounted bi-polar magnetic cylinder to effect resistance during rotation of the cylinder relative to the right frame rail. The cylinder includes a further cylinder adapter securable thereto to enhance magnetic attraction between the frame rail and the cylinder and further cylinder. Alternatively, a weight member may be mounted to a forward portion of the support shaft. The magnetic cylinder is also selectively mounted on a threaded shaft to space the cylinder relative to the right frame rail to vary magnetic resistance therebetween and associated resistance when an associated bicycle is mounted on the forward and rear support roller.
REFERENCES:
patent: 4565365 (1986-01-01), Bankhurst
patent: 4572502 (1986-02-01), Messineo
patent: 4595194 (1986-06-01), Previtali
patent: 4648597 (1987-03-01), Adler
patent: 4768782 (1988-09-01), Blackburn
patent: 4802666 (1989-02-01), Rodriqguez
patent: 4826150 (1989-05-01), Minoura
Crow Stephen R.
Gilden Leon
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