Wheel assembly for toy car

Details Wheel assembly for toy car Wheel assembly for toy car

2011-08-30

2011-08-30

Kim, Gene (Department: 3711)

Amusement devices: toys

Rolling or tumbling

Including wheel- or axle-operated device

C446S431000, C446S465000

Reexamination Certificate

active

08007341

ABSTRACT:
A wheel assembly includes a shaft and a pair of wheels rotatably connected to opposite ends of the shaft. Each wheel includes an inner cover, an outer cover connected to the inner cover, and a steering member sandwiched between the inner cover and the outer cover. The steering member includes a motor, a rotating plate, at least two elastic elements equidistant from each other around the inner cover, and at least two pawls rotatably connected to the outer cover. The motor is fixed on the inner cover and includes a rotating shaft. The rotating plate is fixed to the rotating shaft and is driven by the motor to rotate. Each elastic element connects the rotating plate to each pawl. Each pawl extends out of the inner cover by rotation of the rotating plate, thereby changing the radius of the wheel.

REFERENCES:
patent: 193680 (1877-07-01), Yale
patent: 1408885 (1922-03-01), Humphrey
patent: 2032293 (1936-02-01), Maxwell
patent: 3375604 (1968-04-01), Alonso
patent: 4547173 (1985-10-01), Jaworski et al.
patent: 4601519 (1986-07-01), D'Andrade
patent: 4643696 (1987-02-01), Law
patent: 4648853 (1987-03-01), Siegfried

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