Land vehicles – Skates – With propulsion means driven by occupant
Patent
1990-08-03
1991-10-15
Kashnikow, Andres
Land vehicles
Skates
With propulsion means driven by occupant
280221, A63C 1712, B62M 104
Patent
active
050568027
ABSTRACT:
A wheel skate is provided including a small diameter front wheel journaled for rotation about an horizontal transverse axis immediately beneath the toe end of the shoe of the skate and a larger diameter rear driving wheel is provided and journaled for rotation about a second axis generally paralleling the first mentioned axis. The rear driving wheel is journaled from the lower portions of depending opposite side frames each mounted from the skate for guided movement longitudinally thereof between front and rear limit positions and the rear driving wheel includes a spur gear drivingly connected to the rear driving wheel through a one way over-running clutch and the spur gear is mesh engaged with a rack gear extending longitudinally of the skate and along which the spur gear may roll during front to rear shifting of the frames relative to the skate. The positioning of the small diameter front wheel immediately beneath the toe of the shoe or boot of the skate and the rearmost limit position of the rear driving wheel of the skate enables up and down movement of the heel end of the skate by the wearer with minimum effort to propel the skate forwardly in a efficient manner.
REFERENCES:
patent: 581453 (1897-04-01), Boldt
patent: 873889 (1907-12-01), Palmer
patent: 903525 (1908-11-01), Wellnitz
patent: 1070168 (1913-08-01), Nordling
patent: 1150966 (1915-08-01), Ries
patent: 4417737 (1983-11-01), Suroff
patent: 4451005 (1984-05-01), Lee
Kashnikow Andres
Mar Michael
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