Wheel substitutes for land vehicles – Tracks or treads – With sag prevention means
Patent
1975-10-14
1977-11-01
Reeves, Robert B.
Wheel substitutes for land vehicles
Tracks or treads
With sag prevention means
272115, 305 17, 305 44, 305 58R, B62D 5522
Patent
active
040562891
ABSTRACT:
An amusement device comprising a closed loop formed of a plurality of hingedly connected slats connected at facing edges to permit a user to walk along the top of the loop which moves in an opposite direction or to move the vehicle from inside the loop; another aspect resides in a user supporting roller-sled supported to roll over the lower surface of the interior of the loop to permit riding movement of the device down inclined surfaces while another embodiment employs a composite loop consisting of two relatively movable loops joined by a continuous slide bearing with either loop being movable to provide a steering effect.
REFERENCES:
patent: 741938 (1903-10-01), Sell
patent: 2399874 (1946-05-01), Livingston
patent: 2564377 (1951-08-01), Sigurjonsson
patent: 2756830 (1956-07-01), Hurthig
patent: 3104113 (1963-09-01), Montz
patent: 3575443 (1971-04-01), Aguilar
Creative Playthings Catalog, 1969-1970, p. 71, "Lunartrack".
Reeves Robert B.
Shannon John P.
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