US PATENT SUBCLASS 141 / 306
.~.~.~ Gravity seated inversion opened valve

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

285  DF  MULTIPLE PASSAGE FILLING MEANS FOR DIVERSE MATERIALS OR FLOWS {10}
301  DF  .~ With valve {3}
302  DF  .~.~ Plural valved passages {4}
306.~.~.~ Gravity seated inversion opened valve

DEFINITION

Classification: 141/306

(under subclass 302) Filling devices in which the flow cut-off means is urged to cut-off position by the weight of the means itself and which means is rendered inoperative by

turning the said device through 180 degrees from its normal operative position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

241, 273+ and 319+, for other filling devices which depend upon inversion of the said device for operation, especially subclass 274 for swinging receiver supports for receivers with gravity-operated valves.