Pressure responder

Details Pressure responder Pressure responder

1986-03-10

1988-07-19

Recla, Henry J.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200243, 200 5A, 200340, 200327, H01H 1352

Patent

active

047586990

ABSTRACT:
A thimble-shaped button actuator largely formed of insulating material has a cup-like base with an inside step and is symmetrical about an axis. A thimble is reciprocable in the base along the axis. A spring is seated against the closed end of the base and the closed end of the thimble and urges the thimble in a direction away from the base and against a snap ring in the base in the path of a flange on the thimble. An electrically conducting ring on the thimble is moved by axial pressure on the thimble to abut a pair of electrical conductors seated in the base and overlying the step. Electrically conducting binding screws are recessed in and pass into the base to engage threads in the conductors.

REFERENCES:
patent: 540949 (1895-06-01), Clark
patent: 866377 (1907-09-01), Mebold
patent: 1239054 (1917-09-01), Sparks
patent: 1598008 (1926-08-01), Phillips
patent: 1604819 (1926-10-01), Gaynor
patent: 1726335 (1929-08-01), Benjamin
patent: 1779133 (1930-10-01), Knudsen
patent: 2881292 (1959-04-01), Winter et al.
patent: 2951926 (1960-09-01), Frantz et al.
patent: 4389549 (1983-06-01), Brown

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