Drain safety interlock for fryers

Details Drain safety interlock for fryers Drain safety interlock for fryers

1981-10-30

1984-07-17

Envall, Jr., Roy N.

Electric heating

Heating devices

99336, 99408, 251113, A47J 3712, F16K 3500, H01H 316, H05B 100

Patent

active

044608187

ABSTRACT:
Safety interlock for operating handle of drain valve of deep fat fryer which blocks valve-opening movement of operating handle and is movable to unblocking position and thereby shuts off fry pot burner, subsequent valve-opening movement of handle maintaining interlock in unblocking position and interlock automatically returning to handle-blocking position upon movement of handle to valve-closing position.

REFERENCES:
patent: 1599894 (1926-09-01), Jach
patent: 2127723 (1938-08-01), Farusek et al.
patent: 2146660 (1939-02-01), Swartz
patent: 3210193 (1965-10-01), Martin
patent: 3431835 (1969-03-01), Angold
patent: 3621165 (1971-11-01), Stone
patent: 3688683 (1972-09-01), Boggs
patent: 3951131 (1976-04-01), Houfek
patent: 4203572 (1980-05-01), Coffman
patent: 4208033 (1980-06-01), Kesterman
patent: 4210123 (1980-07-01), Moore et al.
patent: 4358647 (1982-11-01), Demi
patent: 4428395 (1984-01-01), Bravo

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