US PATENT SUBCLASS 198 / 750.7
.~.~ Piston drive

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

618  DF  CONVEYOR SECTION {26}
750.1  DF  .~ Reciprocating conveying surface {7}
750.7.~.~ Piston drive

DEFINITION

Classification: 198/750.7

Piston drive:

(under subclass 750.1) Subject matter wherein the reciprocating movement of a single conveyor member is provided by a linearly expandable device moving back and forth under fluid pressure.