Acceleration sensing switch of the liquid contact type having ti

Details Acceleration sensing switch of the liquid contact type having ti Acceleration sensing switch of the liquid contact type having ti

1974-03-22

1976-08-03

Scott, James R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200186, 200221, 200225, 200228, 200232, H01H 3514, H01H 2908

Patent

active

039730921

ABSTRACT:
Acceleration sensing apparatus comprises a casing having a pair of substantially perpendicular passages communicating with each other and accommodating spaced apart, normally open electrical contacts. One of the passages contains mercury which is operable to flow into the other passage in response to predetermined acceleration of the casing and bridge the conductors so as to establish a current path therebetween.

REFERENCES:
patent: 2192797 (1940-03-01), Muter
patent: 2254710 (1941-09-01), Reid
patent: 2275011 (1942-03-01), Erich
patent: 2302050 (1942-11-01), Pearce
patent: 2863014 (1958-12-01), Deer et al.
patent: 2870280 (1959-01-01), Kraus

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