Inertial switch

Details Inertial switch Inertial switch

1996-11-01

1998-07-28

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6151, H01H 3514

Patent

active

057865531

ABSTRACT:
An inertial switch includes an open-ended outer casing formed of electrically conductive material. An insulated end cap is engageable with the open end of the outer casing to enclose the outer casing. An electrically conductive pin extends through the end cap and into the casing and is electrically isolated from the outer casing by the end cap. A longitudinally extending helical coil spring is secured to the pin adjacent one end thereof. The spring is electrically isolated from the outer casing but is deflectable about a longitudinal axis thereof to contact the outer casing thereby to close the inertial switch in response to accelerations of the inertial switch.

REFERENCES:
patent: 2983800 (1961-05-01), Rabinow
patent: 3163856 (1964-12-01), Kirby
patent: 3649787 (1972-03-01), Kasabian
patent: 3731022 (1973-05-01), Loftus
patent: 3781496 (1973-12-01), Jones, Sr.
patent: 3795780 (1974-03-01), Lawrie
patent: 4104493 (1978-08-01), Hibino et al.
patent: 4201898 (1980-05-01), Jones et al.
patent: 4272662 (1981-06-01), Simpson
patent: 4433223 (1984-02-01), Larson et al.
patent: 4775948 (1988-10-01), Dial et al.
patent: 5199705 (1993-04-01), Jenkins et al.
patent: 5393974 (1995-02-01), Jee

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