US PATENT SUBCLASS 141 / 346
.~ Interlocked discharge means, support and/or coupling

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

311 R  DF  FILLING MEANS WITH RECEIVER OR RECEIVER COACTING MEANS {20}
346.~ Interlocked discharge means, support and/or coupling {1}
347  DF  .~.~> With coupling means responsive to material flow

DEFINITION

Classification: 141/346

(under subclass 311) Filling apparatus which requires the proper positioning of a receiver with respect to the supply in order to unblock the discharging means or permit the operation of the discharge means or coupling effecting means.

(1) Note. The purpose of this subclass is to collect art which represented something more than complicated valve operators. The apparatus should comprise means preventing operation of the flow controlling valve or the like until the coupling is effectively made and/or precluding disconnection until a flow line valve is closed. In other words the valve can be operated only when the coupling is made or after the coupling has been made. This concept requires an additional blocking element in the train of establishment of the flow relation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

155, for in interlock means between a discharge means and a conveyor for supplying successive receivers which means is not part of the operating means to establish flow relation.

207, for automatic control of flow or cut-off including receiver positioned interlock means and subclass 208 for coupling dislodgment trip means.