Automatic vending machine with ice preparation

Details Automatic vending machine with ice preparation Automatic vending machine with ice preparation

1981-10-15

1983-11-29

Marmor, Charles A.

Dispensing

Automatic control

Delivery from source controlled by quantity in discharging...

222 63, 222 65, 222146C, 62137, 340624, B67D 514

Patent

active

044176716

ABSTRACT:
An automatic vending machine having a control circuit for controlling the quantity of ice in an ice storage chamber. A signal generating circuit is provided for producing digital signals in response to ice being supplied to, and discharged from, the ice storage chamber. A counting circuit comprising an up-down counter receives the digital signals and adjusts a count value which represents the quantity of ice in the storage chamber. The counter produces an output signal when sufficient ice is available to supply vending needs, but not when the ice quantity falls below a predetermined value. The vending operation is suspended when the counter output signal is not produced.

REFERENCES:
patent: 2996222 (1961-08-01), Botkin
patent: 3211338 (1965-10-01), Weil et al.
patent: 3406871 (1968-10-01), Hoenisch
patent: 3721369 (1973-03-01), Conti et al.
patent: 3931911 (1976-01-01), Kohl
patent: 3992941 (1976-11-01), McGoldrick
patent: 4319698 (1982-03-01), Tomiyama et al.

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