US PATENT SUBCLASS 222 / 615
.~.~.~ With variable transmission

Current as of: June, 1999
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222 /   HD   DISPENSING

173  DF  WITH CASING OR SUPPORT {11}
608  DF  .~ Ambulant {6}
613  DF  .~.~ Dispensing means driven or controlled by surface contact {9}
615.~.~.~ With variable transmission

DEFINITION

Classification: 222/615

With variable transmission:

(under subclass 613) Device including means to vary the ratio of the speed of rotation of a ground wheel to the rate at which a ground wheel driven dispensing means is reciprocated, rotated, oscillated, etc.