Dual pole switch assembly for an inertia actuated switch

Details Dual pole switch assembly for an inertia actuated switch Dual pole switch assembly for an inertia actuated switch

1990-02-23

1991-04-30

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6153, H01H 3514

Patent

active

050120506

ABSTRACT:
An inertia switch comprises a mass which actuates an electrical switch assembly upon being subjected to a predetermined velocity change. The switch assembly comprises a set of two electrical contacts that are disposed within a switch enclosure in resiliently deflected, spaced apart conditions so as to make the set normally open when the inertia switch is in a quiescent condition. During the occurrence of such a predetermined velocity change, the mass operates an actuator of the electrical switch assembly to cause one contact to be further resiliently deflected and engage and also further resiliently deflect the other contact thereby creating switch closure indicating that the predetermined velocity change has occurred.

REFERENCES:
patent: 2993100 (1961-07-01), Maeder
patent: 3571539 (1971-03-01), Kaiser et al.
patent: 4028516 (1977-06-01), Hirashima et al.
patent: 4221940 (1980-09-01), Roth
patent: 4262177 (1981-04-01), Paxton et al.
patent: 4329549 (1982-05-01), Breed
patent: 4618746 (1986-10-01), Schwob et al.

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