Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1987-03-05
1988-07-05
Paschall, M. H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219493, 219501, 219518, 99327, 99328, 99329P, H05B 102
Patent
active
047556560
ABSTRACT:
An electrical toaster is provided with timer means which is initiated when a food product carrier is secured in an operative position adjacent a toasting element. The timer means normally releases the carrier from its operative position after a toasting interval. In the event of a malfunction, the timer means operates a cut-out to interrupt the supply of power to the toasting element within a predetermined period to prevent combustion or ignition of the food product. The latter period is longer than the normal toasting interval. The timer means may include first and second timing devices for respectively timing the toasting interval and the predetermined cut-out period. Alternatively the timer means provides respective outputs for controlling the toasting interval and the cut-out period.
REFERENCES:
patent: 3089406 (1963-05-01), Turner
patent: 3487770 (1970-01-01), Svenson
patent: 4395621 (1983-07-01), Parker
patent: 4418268 (1983-11-01), Munshaw
patent: 4467184 (1984-08-01), Loessel
patent: 4510376 (1985-04-01), Schneider
Charlesworth Eric
Kelly Stephen D.
Morphy Richards Limited
Paschall M. H.
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