Electrical switch

Details Electrical switch Electrical switch

1982-05-25

1985-06-11

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

200159A, 338198, 338200, H01C 1036

Patent

active

045231761

ABSTRACT:
An electrical switch comprises, in addition to its switching mechanism or mechanisms, a potentiometer including a potentiometer plate and a slider which is advantageously moved/simultaneously with the actuation of the switching mechanisms. The switch requires terminal elements not only for the switching mechanism or mechanisms but also for this potentiometer. Consequently, an electrical connection must be provided within the switch between the inner ends of the terminal elements and the potentiometer plate. In accordance with the invention, the potentiometer plate is connected to the terminal elements by slip-in attachment which not only ensures a safe hold but also effects the electrical contact. To this end, the potentiometer plate is inserted into slot-shaped seats of the terminal elements, which are prevented from being unduly enlarged by suitable means. The firm hold is in addition ensured by corresponding grooves provided in the housing, and preferably and in addition, by studs which are provided on the housing cover and which, while securing the cover to the housing, are ultrasonically plasticized, in order to produce exactly fitting holding elements.

REFERENCES:
patent: 2650270 (1953-08-01), Mucher
patent: 3124780 (1964-03-01), Hulbert
patent: 3585563 (1971-06-01), Hegle
patent: 3622934 (1971-11-01), Yano et al.
patent: 4225845 (1980-09-01), Ragan
patent: 4251796 (1981-02-01), Soeda et al.
patent: 4284969 (1981-08-01), Carbonneau

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