MALFUNCTION PREVENTING DEVICE FOR GRAIN BATCH WEIGHING MACHINE

PROBLEM TO BE SOLVED: To prevent error in weighing by positively eliminating operator's incorrect operation. SOLUTION: The grain in a reservoir tank 1 is batch-weighed using a measurement tank 2. Anytime except when the grain in the measurement tank 2 reads zero or when a detection sensor 4 in...

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Bibliographische Detailangaben
Hauptverfasser:	KAWACHI KAZUTO, KAWATANI SEIJI, ODATE MAKOTO
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS MEASURING PACKING PERFORMING OPERATIONS PHYSICS STORING TESTING TRANSPORTING UNPACKING WEIGHING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent error in weighing by positively eliminating operator's incorrect operation. SOLUTION: The grain in a reservoir tank 1 is batch-weighed using a measurement tank 2. Anytime except when the grain in the measurement tank 2 reads zero or when a detection sensor 4 in the measurement tank 2 detects the grain, a measurement shutter 3 keeps a closed state even if a measurement switch S is turned ON, allowing no opening. The measurement switch S is turned ON to close a discharge shutter of the measurement tank 2 while a limit switch for detecting the closed state of the measurement shutter 3 is turned on to open the discharge shutter. Both the limit switch and the detection switch of a vessel 9 are turned on to open the discharge shutter 12 of the measurement tank 2 which is pedal-operated so that such erroneous-operation preventing device as locking a discharge shutter 12 when the measurement switch S is turned ON is provided.