Land vehicles – Skates – Ski simulators
Patent
1990-03-27
1992-03-17
Kashnikow, Andres
Land vehicles
Skates
Ski simulators
280 1128, 280 87042, A63C 506, A63C 1702
Patent
active
050962256
ABSTRACT:
A grass ski is designed to simulate a snow ski in skiing characteristics. The grass ski has an elongate foot board with forward, central and rear portions. The central portion is arched lengthwise in elevation. Suspended beneath the foot board are spaced pairs of rollers including at least one roller pair on the forward portion, at least three roller pairs on the central portion and at least one roller pair on the rear portion. Each roller has a profile which reduces in diameter towards the outside. Preferably, the left and right hand rollers in plain view are located on concave lines lengthwise of the footboard.
REFERENCES:
patent: 3389922 (1968-06-01), Eastin
patent: 3403919 (1968-10-01), Weibling
patent: 3722900 (1973-03-01), Dickert
patent: 3926449 (1975-12-01), Wilje
patent: 3954279 (1976-05-01), Guerr
patent: 4134600 (1979-01-01), McDonald et al.
patent: 4152001 (1979-05-01), Christianson
patent: 4700958 (1987-10-01), Volpato
patent: 4708352 (1987-11-01), Vullierme
patent: 4886298 (1989-12-01), Shols
patent: 4892332 (1990-01-01), Jennings
patent: 4961592 (1990-10-01), Diard et al.
"Skate Boarder" Magazine, Jun. 1978 issue, Ventrac Advertisement.
"Skate Boarder" Magazine, Jan. 1979 issue, Kryptonics Advertisement.
Johnson Brian L.
Kashnikow Andres
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