One pop popcorn popper

Details One pop popcorn popper One pop popcorn popper

2005-03-29

2005-03-29

Paschall, Mark (Department: 3742)

Electric heating

Heating devices

With power supply and voltage or current regulation or...

C219S506000, C219S519000, C219S508000, C099S323700, C099S330000, C426S438000, C426S523000

Reexamination Certificate

active

06872923

ABSTRACT:
A popcorn machine for automatic activation of the popping cycle is disclosed. The popcorn machine has a kettle with a heating element controlled by a thermostat. Popping corn is placed in the kettle by a user. A control panel has a one pop button which when pressed initiates the full popping cycle. The one pop button activates a relay that closes a connection through the thermostat to the heating element. The thermostat regulates the temperature in the kettle and shuts off power to the heating element by opening itself and unlatching the relay after a predetermined temperature is reached to allow the completion of the popping cycle. If the kettle initially is over the predetermined temperature, the thermostat will be open and the relay will be unlatched, preventing power from flowing to the heating element. A timer relay may be connected to the first relay to allow the activation of the heating element during a set period of time allowing the kettle to cool. The kettle may also be connected to an oil pump. The activation button also activates the oil pump to pump oil into the kettle at the initiation of the popping cycle.

REFERENCES:
patent: 3554115 (1971-01-01), Manley et al.
patent: 5301601 (1994-04-01), Cretors
patent: 5662024 (1997-09-01), Cretors et al.
patent: 6534103 (2003-03-01), Weiss
patent: 6672201 (2004-01-01), Evans et al.
patent: 20030159591 (2003-08-01), Evans et al.

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