Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1981-06-24
1983-04-19
Truhe, J. V.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
B66B 144
Patent
active
043802753
ABSTRACT:
Apparatus for interfacing weighing data with a lift control system that has been carried out with an operator amplifier circuit comprising a speed controller amplifier (NS) of which the plus terminal has been connected to ground and at the minus terminal enter the speed set-point value and the current speed value and further from the minus terminal has been connected to the output of the speed controller amplifier a stabilizing resistor (R1), and a stabilizing capacitor (C1). The apparatus comprises a start switch (K1) which short-circuits the stabilizing resistor (R1) and an auxiliary start switch (K1A) which connects the juncture of the stabilizing resistor (R1) and capacitor (C1) to the terminals of the weighing data resistors (R7) and (R8). The other end of the latter weighing datum resistor (R8) is connected to the output of the speed controller amplifier (NS) and to the other end of the foremost weighing datum resistor (R7) has been connected the external weighing datum.
REFERENCES:
patent: 3323606 (1967-06-01), Bruns et al.
patent: 3543113 (1970-11-01), Miller
patent: 3614996 (1971-10-01), Saito et al.
Duncanson Jr. W. E.
Elevator GmbH
Truhe J. V.
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