Wheel substitutes for land vehicles – Combined or convertible
Patent
1975-03-26
1976-07-27
Goodman, Philip
Wheel substitutes for land vehicles
Combined or convertible
280 285, 115 1R, B62D 3530
Patent
active
039715973
ABSTRACT:
A hollow body including spaced apart side walls, with a plurality of longitudinally spaced, laterally extending wall-support members surmounting a plurality of laterally spaced longitudinally extending floor reinforcement members. A track structure including a plurality of laterally disposed track structure support members projecting exteriorly of said walls in longitudinal alignment with, and secured to, said wall-support members. Said track structure further including an upper fixed runway and, substantially parallel thereto, a lower fixed runway, both elongated longitudinally of the vehicle. A supplementary runway surmounting said upper, fixed runway. Means to secure said supplementary runway above said upper, fixed runway. Means urging said supplementary runway toward said upper, fixed runway, and means adjustably resisting said urge, to space said supplementary runway from said upper, fixed runway. An endless chain drive, and means to drive said chain. Wheels carried by said endless chain about said track structure, and comprising a lower span upon which the track structure and hence the vehicle rests, and an upper span which moves over said supplementary runway. The adjustability of the supplementary runway may compensate for slack in said chain.
REFERENCES:
patent: 1367992 (1921-02-01), Schneider
patent: 3020059 (1962-02-01), Allen
patent: 3539229 (1970-11-01), Scully
Goodman Philip
Murray Allan J.
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