Land vehicles – Convertible – Wheel to or from runner
Patent
1978-04-06
1979-09-25
Mitchell, David M.
Land vehicles
Convertible
Wheel to or from runner
180196, 280 11, 280 12AB, 280 1214, B62K 1300, B62B 1904
Patent
active
041688414
ABSTRACT:
The specification discloses a conversion system for a pedal operated cycle to provide a pedal operated cycle for use on ice and/or a motor operated cycle for use on snow, both with improved rear wheel apparatus, wherein a regular bicycle can be converted to a vehicle having a forward ski mechanism and an integral rear wheel and rearward ski mechanism. The combination rear wheel and rearward ski mechanism comprises a pair of brackets mounted to the frame in place of the rear wheel, which, in turn, has been remounted within said bracket. To the brackets there are attached, by way of braces, a pair of winter use skis.
Frame supports are provided for the skis, and spring mounting pads, which cooperate with second spring mounting pads attached to a seat support enable the seat to reciprocate with the rear wheel, and thus direct maximum pressure on the rear wheel, it being understood that the pressure on the rear driving wheel is solely provided by the rider, the function of the springs being to provide stability to the cycle by keeping the skis in contact with the ground. An emergency brake mechanism is also provided.
REFERENCES:
patent: 473434 (1892-04-01), Stevens
patent: 526210 (1894-09-01), Young
patent: 538493 (1895-04-01), Balser
patent: 561405 (1896-06-01), Leahan
patent: 573034 (1896-12-01), Peterson
patent: 1268229 (1918-06-01), Frank
patent: 1521818 (1925-01-01), Katona
patent: 3441285 (1969-04-01), Rogers
patent: 3630301 (1971-12-01), Henricks
patent: 3884484 (1975-05-01), Uhlyarik
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