Land vehicles: wheels and axles – Wheel – Skate wheel
Patent
1976-11-29
1978-12-19
Reeves, Robert B.
Land vehicles: wheels and axles
Wheel
Skate wheel
301 63PW, A63C 1722
Patent
active
041303202
ABSTRACT:
A roller skate wheel for roller skate, or skateboard use, is provided which is formed of an appropriate yieldable plastic material, such as polyurethane, or other suitable material, which is hard but not brittle, and which will deform when subjected to an impact force. Moreover, the plastic material is such that it will instantly restore itself to its original shape after the force has been removed, and it will not acquire a permanent set in a deformed condition. In accordance with the invention, the gripping capabilities of the wheel are enhanced by the provision of a plurality of spaced peripheral grooves in the rim of the wheel, which form a corresponding plurality of peripheral ribs. A pair of side grooves are also provided in the rim of the wheel adjacent to the peripheral surface to permit the end ribs to bend outwardly and improve the grip of the wheel, especially during turning or cornering. One or more self-contained bearings are imbedded concentrically within the plastic rim of the wheel to permit easy change from one type of wheel to another. The peripheral surface of the rim has either a straight, concave or convex configuration, depending upon the use to which the skate or skateboard is to be put.
REFERENCES:
patent: 1348200 (1920-08-01), Beaumont
patent: 2664317 (1953-12-01), Glynn et al.
patent: 3666322 (1972-05-01), Pickron
patent: 3815959 (1974-06-01), Hill
patent: 3895844 (1975-07-01), Merbler
patent: 3905649 (1975-09-01), Kosono et al.
patent: 3912332 (1975-10-01), Jones
patent: 3915774 (1975-10-01), Dobson
Beecher Keith D.
Marmor Charles A.
Reeves Robert B.
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