Acceleration sensor

Details Acceleration sensor Acceleration sensor

1984-10-18

1987-01-20

Scott, L. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 615, 200 6153, 307121, H01H 3514

Patent

active

046381309

ABSTRACT:
An acceleration sensor comprises a housing formed with a hollow cavity deing a sensing direction. An acceleration sensing conductive mass is releasably mounted in the cavity. The mass is released by a cutting member which severs the releasable mounting of the acceleration sensing mass. A force applying assembly is activated to cause movement of the cutting member. Switch electrodes are arranged at the lower end of the housing cavity. The mass falls through a predetermined distance and bridges the switch electrodes. The sensing mass, when severed, may move in incremental steps due to the use of a two-stage releasing assembly. Sensing transducers may be located along the falling path of the acceleration sensing conductive mass.

REFERENCES:
patent: 2972134 (1961-02-01), McKay
patent: 3489917 (1970-01-01), Gurol
patent: 3735072 (1973-05-01), Six, Jr.
patent: 3745277 (1973-07-01), Shawcross et al.
patent: 3794794 (1974-02-01), Provancher
patent: 4178492 (1979-12-01), Roesch et al.
patent: 4191868 (1980-03-01), Sunde
patent: 4490707 (1984-12-01), O'Leary

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