Land vehicles – Wheeled – Occupant propelled type
Patent
1982-09-30
1984-10-30
Pekar, John A.
Land vehicles
Wheeled
Occupant propelled type
474134, B62M 102
Patent
active
044796609
ABSTRACT:
A two wheel, synchronously driven bicycle is disclosed as comprising a frame, a rear wheel, a front wheel, a foot powered drive unit for said rear and front wheels, a fork member whereby the front wheel is rotatably mounted on the frame, the foot power drive unit mounted on the frame having first and second sprockets coupled to be rotatably driven by the foot powered unit, the rear wheel having a third sprocket connected thereto, the front wheel having a fourth sprocket connected thereto, first and second endless belts or chains respectively interconnecting the first sprocket and the third sprocket of the rear wheel, and the second sprocket and the fourth sprocket of the front wheel, and a pair of pulleys mounted on a steering post of the fork member for receiving leading and trailing portions of the second belt and for directing the belt from the second sprocket to the fourth sprocket of said front wheel in a manner to permit steering of the front wheel and to avoid interference of the second belt with the frame.
REFERENCES:
patent: 53209 (1866-03-01), Wilkinson
patent: 484718 (1892-10-01), Isaacs
patent: 559934 (1896-05-01), Cunningham
patent: 564099 (1896-07-01), Pritchett
patent: 613943 (1898-11-01), Schaibly
patent: 1629308 (1927-05-01), Riley
patent: 2436619 (1948-02-01), Swindell
patent: 3049364 (1962-08-01), Clay
patent: 3193305 (1965-11-01), Hendricks
patent: 3318614 (1965-05-01), Lee
patent: 3485508 (1968-04-01), Hudnall
patent: 3717360 (1973-02-01), Kennedy
patent: 3823959 (1974-07-01), Winters
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