Low bounce momentary contact switch

Details Low bounce momentary contact switch Low bounce momentary contact switch

1978-07-19

1980-06-24

Bell, Jr., Houston S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200276, H01H 1352

Patent

active

042096820

ABSTRACT:
A momentary contact switch having low bounce switching characteristics achieved by maintaining a contact arm continuously biased in accordance with a predetermined force characteristic against a stationary conductor during a wiping contact. An embodiment utilizing a stationary primary contact and a unitary conductive spring contact disposed on a base, is disclosed. The unitary spring contact comprises a spring body portion arranged for compression along an axis normal to the base, and a contact arm portion extending transversely to the spring body portion. The primary contact includes a striking portion disposed at an angle with respect to the axis of compression disposed to cooperate in wiping contact with the contact arm as the spring body is compressed. The angular disposition of the striking plate causes the contact arm to be biased thereagainst with ever increasing force during the wiping contact.

REFERENCES:
patent: 3244847 (1966-04-01), Erpel
patent: 3767878 (1973-10-01), Sykora
patent: 3922513 (1975-11-01), Kravchuck
patent: 3946181 (1976-03-01), Takamizawa et al.
patent: 3949181 (1976-04-01), Kempf
patent: 4092503 (1978-05-01), Raeder

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