Dispensing – Weighing
Patent
1996-09-25
1998-04-14
Kaufman, Joseph
Dispensing
Weighing
222144, 222399, 222504, G01G 1300
Patent
active
057382476
ABSTRACT:
An automatic liquid material metering system including a plurality of storage tanks mounted around the periphery of a rotary wheel, each storage tank having a valve port and an electromagnetic valve controlled by a control switch to close open the valve port, a pulley block system having a carriage, a lifting rack at one side of the carriage, and a horizontal slide at the top of the lifting rack, and a contact switch mounted on the horizontal slide and moved to switch on/off the control switch, an electronic scale mounted on the carriage, a receptacle mounted on the electronic scale and adapted for holding a liquid material discharged from one of the storage tanks, permitting the received liquid material to be measured by the electronic scale, and a microprocessor adapted for receiving signal from the electronic scale and input data from an input device so as to control the rotation of the rotary wheel, and the movement of the pulley block system subject to the signal and data received.
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patent: 3848775 (1974-11-01), Possell
patent: 4011969 (1977-03-01), Martin
patent: 4762252 (1988-08-01), Hyer et al.
patent: 5356041 (1994-10-01), Hellenberg et al.
patent: 5405050 (1995-04-01), Walsh
patent: 5435189 (1995-07-01), Gmuer et al.
patent: 5558251 (1996-09-01), Neri
patent: 5680964 (1997-10-01), Wardle
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