Wheel substitutes for land vehicles – With interposed friction drive belt
Patent
1975-11-04
1977-09-06
Reeves, Robert B.
Wheel substitutes for land vehicles
With interposed friction drive belt
B62D 5524
Patent
active
040464296
ABSTRACT:
A vehicle which has a pair of end rolls and an endless track guided around the end rolls is provided at its endless track with a central substantially non-stretchable region cooperating with the endless track structure to render the latter substantially rigid at the ends of the track which extend around the end rolls to prevent any slipping of the track with respect to the end rolls particularly when at least one of the end rolls is swung about an upright axis to enable the vehicle to execute a turn. On opposite sides of its central endless region the endless track has a pair of opposed lateral regions capable of automatically expanding and contracting when the vehicle executes so that the inside lateral region contracts while the outside lateral region expands during a turn, and the manner of contraction and expansion of these lateral regions of the endless track is such that together with a curving of the central non-stretchable region the endless track assumes a smooth, substantially uniform curved configuration when the vehicle executes turns.
REFERENCES:
patent: 3550967 (1970-12-01), Caron
patent: 3582154 (1971-06-01), Russ
patent: 3637266 (1972-01-01), Busse
patent: 3639012 (1972-02-01), Cushman
patent: 3747994 (1973-07-01), Russ
Reeves Robert B.
Shannon John P.
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