Undertaking
Patent
1989-09-22
1990-06-12
Crow, Stephen R.
Undertaking
272 97, 272132, A63B 2100, A63B 2122
Patent
active
049326490
ABSTRACT:
A fan-type exercise bicycle with adjustable resistance friction assemblies on the lower ends of its handlebars. Each friction assembly includes a knob with a bolt protruding from it, a two-piece casing, two friction pads and a friction plate which is clamped between the friction pads and the casing pieces. The bolt extends through the casing pieces and friction pads and through a curved slot in the friction plate. A threaded insert is fixed in a support stand of the fan-type bicycle. The threaded insert also protrudes slightly from the support stand so that the casing pieces are clamped between the knob and the threaded insert.
REFERENCES:
patent: 3904196 (1975-09-01), Berlin
patent: 4618139 (1986-10-01), Haaheim
patent: 4657244 (1987-04-01), Ross
patent: 4824102 (1989-04-01), Lo
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