Electricity: circuit makers and breakers – Weight
Patent
1993-08-03
1995-02-14
Scott, J. R.
Electricity: circuit makers and breakers
Weight
200 6121, H01H 3500
Patent
active
053897536
ABSTRACT:
A feed control switch is provided for controlling the supply of feed to a hopper without the need to contact the feed. The control switch includes first member having a switch contact surface and a second member slidably moveable relative to the first member, the second member having a suspender from which the hopper is suspended. A spring biasing arrangement pulls the first and second members together at a predetermined spring bias strength and switch, adjacent to the switch contact surface and at the second member, is provided which is in the off position when the switch is at an extended position and is in the on position when depressed by the contact surface. When the weight of feed in the hopper exceeds the predetermined spring bias strength, the second member pulls away from the first member causing the switch to move away from and disengage the switch contact surface so that the switch moves to the extended and off position thereby signally the cut off of feed to the hopper. When the predetermined spring bias strength exceeds the weight of feed in the hopper, the second member is pulled toward the first member causing the switch to engage the contact surface so that the switch moves to the depressed and on position thereby signalling for the supply of feed to the hopper.
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Katz Eric R.
Scott J. R.
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