Piggy back electric float switch

Details Piggy back electric float switch Piggy back electric float switch

1974-11-13

1976-09-14

Smith, Jr., David

Electricity: circuit makers and breakers

Float

Float and pressure

H01H 3518

Patent

active

039808475

ABSTRACT:
A switch means for closing an electrical circuit to operate any desired device such as a pump or an alarm, the switch means being adapted to be positioned in the bilge of a ship or boat and being actuated into circuit closing position by the rising of the bilge water beyond a predetermined level, the switch means including a float riding on the water and wires which are always clear of the water and are not subject to bending or frictional stresses and strains.

REFERENCES:
patent: 2270784 (1942-01-01), Miller et al.
patent: 2816973 (1957-12-01), Beck et al.
patent: 3309687 (1967-04-01), Phipps
patent: 3515830 (1970-06-01), Johnson
patent: 3592981 (1971-07-01), Ryle

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