Door safety switch-lock assembly for an electrical apparatus

Details Door safety switch-lock assembly for an electrical apparatus Door safety switch-lock assembly for an electrical apparatus

1986-02-13

1987-06-09

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

126197, 200 50A, H05B 668, H01H 922

Patent

active

046721606

ABSTRACT:
A heating appliance including an oven housing, an oven door attached to the oven housing which can be operated between a closed and an opened position to provide access to the interior of the oven housing, a door latching assembly for securing the oven door for opening and closing the oven housing, the door latching assembly including a latch head disposed on the oven door and a latch hook provided in the oven housing for engaging with and disengaging from the latch head, a first switch disposed in the oven housing, the first switch being directly switched by the latch head, and a second switch disposed in the oven housing, the second switch being directly switched by the latch head after the switching of the first switch.

REFERENCES:
patent: 3967088 (1976-06-01), Horiuchi
patent: 4117294 (1978-09-01), Appelquist et al.
patent: 4323747 (1982-04-01), Takase et al.
patent: 4504719 (1985-03-01), Taylor, Jr. et al.
patent: 4511780 (1985-04-01), Okamura

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