Seismonastic switches with inertia responsive controller

Details Seismonastic switches with inertia responsive controller Seismonastic switches with inertia responsive controller

1976-03-09

1978-06-27

Scott, James R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

73492, 137 38, 200 615, H01H 3510, G01P 1500

Patent

active

040976980

ABSTRACT:
A seismonastic control apparatus has a ball mounted in a concavity for unobstructed movement into contact with a displaceable disc which actuates a two-mode control device on predetermined tilting or shock loading of the apparatus.
To increase the kinetic energy of the ball and thus facilitate displacement of the disc, the seat is formed with a circular region at which the inclination of the seat to the central axis of the apparatus increases. As the ball crosses this region it is accelerated more rapidly because its path becomes more closely aligned with the resultant force acting on the ball.

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