Refrigerator door push button switch system

Details Refrigerator door push button switch system Refrigerator door push button switch system

1997-05-30

1998-12-08

Coggins, Wynn Wood

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

200 6158R, 200 6169, H01H 316

Patent

active

058473432

ABSTRACT:
A refrigerator door switch system for sensing opening of a freezer compartment door and a fresh food compartment door comprises a push button switch installed at the freezer compartment door or the fresh food compartment door, being positioned at a first position for stopping a fan motor for a cool air supply and turning on a cabinet lamp when the freezer compartment door or the fresh food compartment door is opened, and being positioned at a second position for driving the fan motor and turning off the cabinet lamp when the freezer compartment door and the fresh food compartment door are closed; and a switch operation cam installed at the fresh food compartment door or the freezer compartment door, corresponding to the push button switch for positioning the push button switch to the first position when the freezer compartment door or the fresh food compartment door is opened, and for positioning the push button switch to the second position when the freezer compartment door and the fresh food compartment door are closed.

REFERENCES:
patent: 2795691 (1957-11-01), Solley, Jr. et al.
patent: 3881077 (1975-04-01), Piber
patent: 3895198 (1975-07-01), Piber
patent: 4300025 (1981-11-01), Prada

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