Patent ID: 8056506
Filing Date: 2011-11-15
Classification: A01K,Y10T

Abstract:
1. A control assembly for use in a feed delivery assembly; the control assembly comprising: a housing having an inlet, an outlet, and a chamber between said inlet and outlet; said chamber being opened in a plane parallel to, but radially offset from, an axis of the inlet and outlet; a tube member removably receivable in said chamber; said tube member comprising a tube having a length sufficient to span a distance between said inlet and outlet tubes; said tube member tube being aligned with said housing inlet and outlet when said tube member is received in said chamber; at least one infrared emitter and at least one infrared receiver mounted on said tube member tube; said at least one emitter and at least one receiver being operatively connected to a controller; said emitter and receiver being opposed to each other relative to said tube member tube such that said receiver will receive and detect light from said emitter; said controller emitting a signal when it is determined that the light from the emitter to the receiver is interrupted.