Electrical switch

Details Electrical switch Electrical switch

1977-06-28

1979-01-30

Ross, Herbert F.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 16B, 200164R, 200 6189, 200161, H01H 312

Patent

active

041374401

ABSTRACT:
An electrical slide switch is disclosed which requires no springs to maintain pressure for electrical contact. The switch includes a slidable plunger on which a carrier with an open top is mounted and a contact plate is mounted on top of the carrier. The contact plate includes fingers with downwardly entering contact and an upwardly extending pressure member integral with the plate. The carrier is provided with a hinged lid to close its top and the upwardly extending pressure member is positioned to engage the lid when it is closed. The engagment between the lid and pressure member results in a downwardly force being applied to the pressure member. This downwardly force is transmitted to the fingers, thereby providing sufficient pressure for effective electric contact and cleaning of the contact due to scrubbing.

REFERENCES:
patent: 1909585 (1933-05-01), Jacobi
patent: 2575147 (1951-11-01), Unsworth
patent: 3275768 (1966-09-01), Batcheller
patent: 3408464 (1968-10-01), Earleywine, Jr. et al.
patent: 3412225 (1968-11-01), Rogers et al.
patent: 3546402 (1970-12-01), Spaeth et al.
patent: 3567891 (1971-03-01), Hinkelmann

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