US PATENT SUBCLASS 414 / 219
.~ Including trap chamber having horizontal axis of rotation

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

217  DF  APPARATUS FOR MOVING MATERIAL BETWEEN ZONES HAVING DIFFERENT PRESSURES AND INHIBITING CHANGE IN PRESSURE GRADIENT THEREBETWEEN {3}
219.~ Including trap chamber having horizontal axis of rotation {1}
220  DF  .~.~> With means for changing pressure in trap chamber

DEFINITION

Classification: 414/219

Including trap chamber having horizontal axis of rotation:

(under subclass 217) Apparatus wherein the moving and change-inhibiting means includes an assembly comprising a disc- or spindle-like member having one or more pockets (e.g., recesses) in its periphery, and a housing in which the member is mounted for rotation about a horizontal axis, which assembly is located in the path of material movement for receiving, isolating and passing along a quantity of the material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

189, for material supporting structure having a driven, rotatable, pocketed gate which moves material into a heating chamber.

SEE OR SEARCH CLASS

222, Dispensing,

367+, for a dispenser having a discharge assistant in the form of a rotary conveyor-type trap chamber.