Electricity: circuit makers and breakers – Float – Float and pressure
Patent
1977-01-19
1978-04-11
Croyle, Carlton R.
Electricity: circuit makers and breakers
Float
Float and pressure
340244B, 417 40, H01H 3518, F04B 4904
Patent
active
040840735
ABSTRACT:
The float switch is for control of a submersible sump pump or the like and has a housing, a switch in the housing and with the switch having a spring control member extending therefrom to turn the switch on and off with movement of such control member, leads connecting to the switch and extending from the housing to the power controlled circuit. An activator arm is pivotally positioned in the housing for gravity actuated pivotal movement towards and away from the switch for engaging and moving the control member to switch closed position and to release it for switch opening action, the position of the activator arm being controlled by gravity and the float switch being permitted only limited movement with fluctuations in the water level in the sump by the leads secured thereto.
REFERENCES:
patent: 2885507 (1959-05-01), Holman
patent: 3090849 (1963-05-01), Coulin
patent: 3866470 (1975-02-01), Miller
patent: 4021144 (1977-05-01), Matsusake
Croyle Carlton R.
Gluck R. E.
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