Sphere-actuated float switch

Details Sphere-actuated float switch Sphere-actuated float switch

1990-06-19

1992-02-11

Tolin, Gerald P.

Electricity: circuit makers and breakers

Float

Float and pressure

73308, 200553, H01H 3518

Patent

active

050878018

ABSTRACT:
A sphere-actuated float switch is provided including (i) a cage defining a longitudinal raceway, (ii) a yoke pivotally mounted externally to the cage and having a first and second legs which extend into the raceway, (iii) an electrical switching means which is electrically open when the yoke is in a first position and electrical closed when the yoke is in a second position, (iii) an over-center spring capable of biasing the yoke into the appropriate electrically open and the electrically closed positions once the yoke is urged past a transition point, and (iv) a sphere within the raceway for urging the yoke between the electrically open and the electrically closed positions.

REFERENCES:
patent: 3553402 (1971-01-01), Hire
patent: 4021145 (1977-05-01), Pepper
patent: 4064755 (1977-12-01), Bongort et al.
patent: 4540891 (1985-09-01), Keener et al.
patent: 4618746 (1986-10-01), Schwob et al.
patent: 4667069 (1987-05-01), Cholteri
patent: 4692576, Frede
patent: 4737759 (1988-04-01), Stopkay et al.
patent: 4942274 (1990-07-01), Rebock

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