Shockswitch

Details Shockswitch Shockswitch

1979-02-12

1980-08-26

Yasich, Daniel M.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200220, H01H 3514

Patent

active

042197082

ABSTRACT:
An improved apparatus for indicating that an acceleration greater than a predetermined acceleration has occured; the apparatus being of the type having a liquid reservoir and an adjacent gas region; the liquid-gas surface resisting deformation due to surface tension. The liquid, gas and surrounding structure are chosen such that the surface tension prevents a rupture of the liquid-gas barrier until an acceleration greater than a predetermined acceleration occurs; at which time at least a portion of the liquid enters the region of the gas. Electrical contacts within the gas region are bridged by the liquid, which liquid is electrically conducting. Means are provided to conduct electricity to and from the contacts such that communication of the forming of the bridge is possible.

REFERENCES:
patent: 2679819 (1954-06-01), Torcheux
patent: 3623449 (1971-11-01), Knutson
patent: 3739191 (1973-06-01), Nagazumi et al.
patent: 3846748 (1974-11-01), Hopwood
patent: 3869588 (1975-03-01), Ubukata et al.
patent: 4068613 (1978-01-01), Rubey
patent: 4138600 (1979-02-01), Ozols

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