US PATENT SUBCLASS 406 / 177
.~.~ With gate and means to open gate prior to article or carrier arrival

Current as of: June, 1999
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406 /   HD   CONVEYORS: FLUID CURRENT

154  DF  FLUID CURRENT CONVEYOR OUTLET MEANS {5}
176  DF  .~ Having terminal {3}
177.~.~ With gate and means to open gate prior to article or carrier arrival {1}
178  DF  .~.~.~> Serially arranged gates

DEFINITION

Classification: 406/177

With gate and means to open gate prior to article or carrier arrival:

(under subclass 176) Subject matter in which the terminal* is provided with a movable closure at the outlet* past which the load article moves as it exits the conveyor*, wherein means are provided to move the closure from the path of the article or carrier* as it approaches the closure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12+, for a gate which controls the flow of the conveying fluid and is operated in response to a sensed condition.

28+, for a gate at the outlet which controls the movement of the load and is operated in response to a sensed condition.