US PATENT SUBCLASS 222 / 613
.~.~ Dispensing means driven or controlled by surface contact

Current as of: June, 1999
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222 /   HD   DISPENSING

173  DF  WITH CASING OR SUPPORT {11}
608  DF  .~ Ambulant {6}
613.~.~ Dispensing means driven or controlled by surface contact {9}
614  DF  .~.~.~> Ground wheel operated discharge controller
615  DF  .~.~.~> With variable transmission
616  DF  .~.~.~> With clutch
617  DF  .~.~.~> Fluid flow discharge
618  DF  .~.~.~> Plural ground wheel driven discharge assistants in series
619  DF  .~.~.~> Ground wheel driven vibrator or jarring means
620  DF  .~.~.~> Rotary motion of ground wheel to reciprocating, oscillating, or linear motion {1}
622  DF  .~.~.~> Endless conveyer
623  DF  .~.~.~> Ground wheel driven rotary discharge assistant or rotary agitator {1}

DEFINITION

Classification: 222/613

Dispensing means driven or controlled by surface contact:

(under subclass 608) Device wherein the dispensing means, which may be a forcer, trap, agitator, discharge controller, etc., is driven or has its operation controlled either by direct contact with the surface or by a wheel which may or may not provide support for the device, and which rotates while contacting the surface over which the device translates.

SEE OR SEARCH CLASS

239, Fluid Sprinkling, Spraying, and Diffusing,

155+, indented under mobile tank type supply means for a ground wheel operated spray apparatus.

414, Material or Article Handling,

437+, for a motion or draft responsive load handler and transporter wherein a load handling means operates in response to the engagement of another means with the ground.