US PATENT SUBCLASS 198 / 621.1
.~.~ Reciprocating member

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

618  DF  CONVEYOR SECTION {26}
620  DF  .~ Load simultaneously engaged between and moved by a plurality of driven conveyor members {5}
621.1.~.~ Reciprocating member {3}
621.2  DF  .~.~.~> Load support member lifted by inclined or vertical supporting fluid actuator (e.g., piston or air bag)
621.3  DF  .~.~.~> Load support member lifted by supporting eccentric cam or rotating crank drive
621.4  DF  .~.~.~> Load support member lifted by inclined supporting surface

DEFINITION

Classification: 198/621.1

Reciprocating member:

(under subclass 620) Subject matter wherein one of the power-driven conveyor sections engages the load with a back and forth motion as it cooperates with another power-driven conveyor section.