US PATENT SUBCLASS 198 / 811
.~.~ Pressurized fluid or suction applied to carrier belt to modify its reaction with support

Current as of: June, 1999
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198 /   HD   CONVEYORS: POWER-DRIVEN

618  DF  CONVEYOR SECTION {26}
804  DF  .~ Endless conveyor {14}
811.~.~ Pressurized fluid or suction applied to carrier belt to modify its reaction with support

DEFINITION

Classification: 198/811

(under subclass 804) Apparatus wherein positive or negative fluid pressure, relative to atmospheric pressure, is exerted against the belt to either increase or decrease the force exerted by said belt against its support means.