US PATENT SUBCLASS 446 / 458
.~.~ And eccentric weight

Current as of: June, 1999
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446 /   HD   AMUSEMENT DEVICES: TOYS

431  DF  ROLLING OR TUMBLING (E.G., WHEELED) {16}
457  DF  .~ Including intrinsic motive power means for propulsion {6}
458.~.~ And eccentric weight

DEFINITION

Classification: 446/458

And eccentric weight:

(under subclass 457) Device including a mass rotatably connected to a rollable means and whose center is radially offset from the axis of rotation of the rolling means.

(1) Note. The mass typically keeps the propulsion means from rotating with the rolling means.