Tamper switch

Details Tamper switch Tamper switch

1985-01-14

1986-07-08

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Reciprocating contact

200 6176, 200159A, H01H 1500, H01H 316, H01H 1350

Patent

active

045994986

ABSTRACT:
A tamper switch includes an elongated tamper element mounted on a casing for movement along an axis thereof between an inoperative and an operative position. An urging device normally urges the tamper element into one of the operative and inoperative positions. A pair of elongated resilient contact plates are mounted within and fixedly secured to the casing at their one ends, the pair of contact plates being disposed in generally parallel opposed relation to each other. Each of the contact plates has a slit extending along a length thereof and opening to the other end thereof. A contact element is secured to the tamper element. The contact element is urged in between the pair of contact plates to make electrical contact therewith when the tamper element is brought into the operative position. By virtue of the provision of the slit in each contact plate, the contact plate is held in contact with the contact element throughout substantially the entire width thereof.

REFERENCES:
patent: 1527026 (1925-02-01), Cadieux
patent: 2065904 (1936-12-01), Meuer
patent: 2155765 (1939-04-01), Meuer
patent: 3818169 (1974-06-01), Kobernus
patent: 3902032 (1975-08-01), Koepke
patent: 3924090 (1975-12-01), Chao et al.
patent: 4361743 (1982-11-01), Ayers

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