Float-actuated switching assembly

Details Float-actuated switching assembly Float-actuated switching assembly

1987-07-22

1988-05-24

Tolin, G. P.

Electricity: circuit makers and breakers

Float

Float and pressure

200 84C, 340625, 73317, H01H 3518

Patent

active

047467762

ABSTRACT:
An improved float-actuated switching assembly, having a pusher (92) linked to a float (14), a movable carrier member (16), preferably a pivotable cam, having upper and lower brackets (78 and 80) between which the pusher moves, first and second stops (18 and 20) to limit carrier movement, a contact member (22) on the carrier positioned to contact the stops, and magnets (88 and 90) to releasably hold the contact against a stop as the pusher moves toward and applies initial force to one of the brackets. Increasing force caused by continuing float movement eventually breaks the magnetic force such that the carrier moves quickly to actuate a switch element (26) preferably through a cam follower (96).

REFERENCES:
patent: 3480749 (1969-11-01), Greutman
patent: 3944844 (1976-03-01), Innes
patent: 4038507 (1977-07-01), Murphy, Jr.
patent: 4144757 (1979-03-01), Mauboussin

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