Land vehicles: wheels and axles – Wheel – Skate wheel
Patent
1976-07-08
1978-01-24
Tollberg, Stanley H.
Land vehicles: wheels and axles
Wheel
Skate wheel
301 63PW, A63C 1722
Patent
active
040700658
ABSTRACT:
A molded plastic wheel is formed with a thin annular groove extending inwardly from its outboard end so as to provide a resiliently yieldable, radially thin peripheral tread portion backed up by a thick relatively rigid band of material on the radially inward side of the groove.
REFERENCES:
patent: 2978277 (1961-04-01), Gaudry
patent: 3641621 (1972-02-01), Closa
patent: 3895844 (1975-07-01), Merbler
patent: 3992025 (1976-11-01), Amelio
Skaggs H. Grant
Tollberg Stanley H.
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