Article dispensing – With article treatment – With cooling or heating
Patent
1998-06-03
1999-11-02
Noland, Kenneth
Article dispensing
With article treatment
With cooling or heating
221247, A24F 2714
Patent
active
059753480
ABSTRACT:
In accordance with the present invention, a vending machine includes a number of failure control devices that monitor and control the functioning of the various components in the vending machine to ensure uniform quality of food products to be sold to a customer. One specific embodiment includes plurality of oven failure control devices, a freezer failure control device and a power failure control device. When a microcontroller in the vending machine determines the occurrence of a failure, the microcontroller displays a failure message on a customer display and discontinues vending food until the failure is corrected, for example, by an operator. In another aspect of this invention, the vending machine includes a mechanism for operating a door of a refrigeration compartment of the vending machine. The mechanism includes a motor driven rotary link coupled to a roller that moves in a slot of the door.
REFERENCES:
patent: 4429778 (1984-02-01), Levasseur
patent: 4676074 (1987-06-01), Morgan, Jr. et al.
patent: 4823984 (1989-04-01), Ficken
Chan Robert K.
Hopkins Mark A.
Rudewicz Paul T.
Thomas Thom
KRh Thermal Systems
Noland Kenneth
Suryadevara Omkar K.
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