US PATENT SUBCLASS 446 / 172
.~.~ Hand-cranked element conveyer

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

168  DF  INCLUDING UNATTACHED GRAVITY-FED ROLLING, TUMBLING, OR ENERGY-IMPARTING FALLING ELE ENT, OR PATHWAY THEREFOR (E.G., MARBLE RUNWAY) {4}
171  DF  .~ And means for automatically recycling element {1}
172.~.~ Hand-cranked element conveyer

DEFINITION

Classification: 446/172

Hand-cranked element conveyer:

(under subclass 171) Device wherein the means to return the elements to their starting point is driven by manually rotating a shaft having either a handle extending radially or offset from the shaft to gain mechanical advantage to rotate the shaft.