Toggle switch

Details Toggle switch Toggle switch

1991-01-28

1992-10-27

Recla, Henry J.

Electricity: circuit makers and breakers

Solid contact

Rocking actuator

200339, H01H 2100, H01H 300

Patent

active

051581728

ABSTRACT:
A toggle switch includes a toggle lever with a spherical portion that is held against a partially spherical surface by a retaining ring or a pin to permit the toggle lever to swivel. A coil spring coaxial with the toggle lever and enclosing a portion of the lever forces a plunger against an actuator that rocks to place a blade in contact with a terminal to operate the switch. Terminals are molded into the case of the switch to maintain the terminals in a desired position. The actuator may be shaped in one of several ways to provide maintained contact, momentary contact, or a combination of these. Electrical contacts are formed by placing spherical balls or similar shapes made of a contact material into holes in the terminals and then forming the balls or other shapes to produce a contact surface.

REFERENCES:
patent: 2027538 (1936-01-01), Krieger
patent: 2377134 (1945-05-01), Dietrich
patent: 2726105 (1955-12-01), Koenig
patent: 2795667 (1957-06-01), Schwerke
patent: 3294932 (1966-12-01), Barlow
patent: 3299224 (1967-01-01), De Lorme
patent: 3350521 (1967-10-01), Brown
patent: 3571545 (1971-03-01), Haderer
patent: 3581003 (1971-05-01), Plumb
patent: 3585335 (1971-06-01), Bulgarelli
patent: 3591747 (1971-07-01), Dennison
patent: 3688062 (1972-08-01), Yamamoto et al.
patent: 3852557 (1974-12-01), Brown
patent: 4191387 (1980-03-01), Kirchoff

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