US PATENT SUBCLASS 198 / 621.3
.~.~.~ Load support member lifted by supporting eccentric cam or rotating crank drive

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  DF  .~.~ Reciprocating member {3}
621.3.~.~.~ Load support member lifted by supporting eccentric cam or rotating crank drive

DEFINITION

Classification: 198/621.3

Load support member lifted by supporting eccentric cam or rotating crank drive:

(under subclass 621.1) Subject matter wherein an element directly holding the load is raised from a lower to a higher position by a revolving or oscillating mechanical device having its axis of rotation displaced from its center or by a revolving link having an axis of rotation at one end and a pivotal connection to the material holding means adjacent to its opposite end.

SEE OR SEARCH THIS CLASS, SUBCLASS:

774.3, for a similar lifting means used in an alternately-acting load support member.