Interceptor actuated by seismic vibrations

Details Interceptor actuated by seismic vibrations Interceptor actuated by seismic vibrations

1975-12-11

1977-11-15

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

116114D, 137556, 200 6145R, F16K 1736

Patent

active

040581349

ABSTRACT:
An interceptor apparatus actuated by seismic and other vibrations comprising a substantially vertically movable rod, a weight capable of engagement with the rod and a plurality of pivotable support arms supporting the weight within a housing and held in a mechanically balanced state in entirety. When the apparatus undergoes seismic or other vibrations, the mechanical balance is lost, whereupon the weight is released from the support arms and is allowed to fall together with the vertically movable rod due to the gravitational forces, thereby effecting the switching of a related fluid circuit or electric circuit.

REFERENCES:
patent: 3878858 (1975-04-01), Yamada
patent: 3965917 (1976-06-01), Speck

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