Exercise devices – Involving user translation or physical simulation thereof – Bicycling
Patent
1992-12-10
1995-06-06
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Bicycling
482 51, 280221, A63B 2300, B62M 104
Patent
active
054217946
ABSTRACT:
An exercise bike, comprising two footboards, six wheels, and four straight shafts with trapezoid-headed ends, is provided. Symmetrically arranged in the disk of each wheel are two eccentrical trapezoid apertures. The ends of the shafts are orthogonally inserted into the trapezoid apertures of the wheels, to form a wheel frame, thus avoiding the possibility of assembling the exercise bike improperly. The wheels are arranged in three lines, and the middle portions of the shafts are supported by bearings at the bottom of the boards and can rotate freely thereon. The bike can further be assembled into a safety-type exercise bike, or a massage-type one. When the footboards are threaded, the bike will move forward in a fluctuating manner. The various parts can leave the factory in separate packages for the customers to assemble on their own. The products can therefore be transported in large quantities and over long distances.
REFERENCES:
patent: 4329981 (1982-05-01), Dungl
patent: 4741527 (1988-05-01), Nestegard
patent: 4826159 (1989-05-01), Hersey
patent: 5129664 (1992-07-01), Chen
Abstract of Patent Publication No. SU 1558-416-A, dated Apr. 23, 1990, inventor Yu Gurkin, entitled "Self-propelled Board and Roller System"; from Derwent Publications Ltd., 1991.
Abstract of Patent Publication No. SU 1602-567-A, dated Oct. 30, 1990, inventor Yu Gurkin, entitled "Roller Platform Transport Unit"; from Derwent Publications Ltd., 1991.
Crow Stephen R.
Yong Tong Industrial Co.
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