Door latch mechanism controlling switch in microwave oven or the

Details Door latch mechanism controlling switch in microwave oven or the Door latch mechanism controlling switch in microwave oven or the

1974-06-24

1977-02-01

Scott, James R.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

200 50A, 219 1055C, H01H 316, H01H 920, H05B 906

Patent

active

040061213

ABSTRACT:
A door latch mechanism which may be advantageously used for a door of electrical equipment such as a microwave oven, comprising a latch member on the door, catch means to engage the latch member when the door is closed, and resilient biasing means to bias the catch means into a position engaging the latch member. The catch means is moved into and out of the position to engage the latch member by means of a leverage linkage and the movement of the catch member into and out of the position to engage the latch member is transmitted to electric switch means through the leverage linkage. The door is opened only after the switch means has been made open.

REFERENCES:
patent: 3416515 (1968-12-01), Mertler
patent: 3659068 (1972-04-01), Duffner et al.
patent: 3691329 (1972-09-01), Ball
patent: 3715552 (1973-02-01), Umezu et al.
patent: 3733456 (1973-05-01), Blackburn
patent: 3823294 (1974-07-01), Takayama et al.
patent: 3831580 (1974-08-01), McLean
patent: 3865097 (1975-02-01), Robinson

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