US PATENT SUBCLASS 198 / 500
.~ Having lubricating means

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

493  DF  CONVEYOR HAVING IMPINGING FLUID TO FEED, SHIFT OR DISCHARGE LOAD; OR MEANS TO FACILITATE CLEANING OF CONVEYOR; OR STERILIZING OR LUBRICATING MEANS {2}
500.~ Having lubricating means {1}
501  DF  .~.~> For rollers forming belt troughing structure

DEFINITION

Classification: 198/500

(under subclass 493) Apparatus wherein the section, or some part thereof, has means providing grease, oil, or some other lubricant thereto, to promote efficiency in the operation of the section.

SEE OR SEARCH THIS CLASS, SUBCLASS:

721, for a pusher-type conveyor having means to facilitate movement of the load across its supporting surface.

811, for endless belt-type conveyors provided with means for forming an air cushion between the belt and its supporting structure to facilitate movement of the belt.