Gravity operated cam switch

Details Gravity operated cam switch Gravity operated cam switch

1996-08-20

1998-03-17

Tolin, Gerald P.

Electricity: circuit makers and breakers

Float

Float and pressure

73313, 2003021, H01H 3518

Patent

active

057289875

ABSTRACT:
The invention is directed to a gravity operated float switch wherein the gravity causes a ball to move within a raceway to contact an operating rod and move it to a position to operate a switch to start or stop the operation of a pump. Cam surfaces are provided on the top surface of the operating arm to move the arm of a contact substrate or a micro switch to an UP or a DOWN position. A novel sealing system comprising a two piece plastic part having a tapered end, and a bushing wrapping the incoming wire and locked within the cover to provide a secure seal for the wire.

REFERENCES:
patent: 4081639 (1978-03-01), Tice
patent: 4278858 (1981-07-01), Kaessen
patent: 4629841 (1986-12-01), Riback
patent: 4742195 (1988-05-01), Bryant
patent: 4942274 (1990-07-01), Riback
patent: 5087801 (1992-02-01), Johnston
patent: 5142108 (1992-08-01), Johnston

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