Sheet-material associating – Associating or disassociating – Signature associating
Patent
2000-03-02
2000-12-05
Camby, Richard M.
Sheet-material associating
Associating or disassociating
Signature associating
280 87042, 280 1128, B62M 100
Patent
active
061555533
ABSTRACT:
The present invention is related to an auxiliary steering device for a skateboard comprising a front supporting bar, a front wheel assembly, a main shaft, a deck and two rear wheels, wherein the steering device is characterized by the main shaft having two extension bars at the end thereof, each the extension bars having a soft packing ring and a bearing; thereafter, a rear wheel being respectively pivoted on each the extension bars and wherein, when the user controls the direction by means of a handle of the front supporting bar and exerts pressure upon one side of the deck, the two extension bars of the main shaft will squeeze the soft packing ring to be in a side-sloping shape, and this will cause a loading difference between two rear wheels; accordingly, an auxiliary steering function is created and the radius of gyration of the skateboard can be reduced.
REFERENCES:
patent: 1279966 (1918-09-01), Baker
patent: 2027254 (1936-01-01), Vogt
patent: 4061351 (1977-12-01), Bangle
patent: 4123079 (1978-10-01), Biskyp
patent: 4342466 (1982-08-01), Morgan
Wang Leao
Wu Peter
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