Closure activated switch

Details Closure activated switch Closure activated switch

1977-08-08

1979-07-10

Scott, James R.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

200 617, 362 80, 362155, 362365, H01H 316

Patent

active

041608879

ABSTRACT:
A switch operates a lamp bulb in a compartment in response to the opening and closing of the compartment's lid. The switch includes a housing that retains the bulb and mounts in an aperture adjacent the compartment. The housing includes a hinge that is pivoted from a first to a second position when the lid is closed. A pair of contacts on opposite sides of the housing include terminals which connect into an electrical circuit. One end of one contact engages the bulb contact. One end of the other contact engages the bulb base and biases the hinge member into its first position. When the lid is open, the hinge is in its first position and the circuit through the bulb is complete. Closing of the lid pivots the hinge to its second position and moves the end of the other contact away from the bulb to break the circuit.

REFERENCES:
patent: 2816972 (1957-12-01), Haut
patent: 3048674 (1962-08-01), Hopkins
patent: 3193673 (1965-07-01), Herring
patent: 3320607 (1967-05-01), Rueger
patent: 3403236 (1968-09-01), Zoludow
patent: 3548131 (1970-12-01), Piber
patent: 3553448 (1971-01-01), Davis et al.
patent: 3576409 (1971-04-01), Fiddler
patent: 3597564 (1971-08-01), Lewis
patent: 3692992 (1972-09-01), Bain et al.
patent: 4070555 (1978-01-01), Carli

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