Diaphragm operated switch type bin level sensor

Abstract From the Canadian patent

Abstract of the Disclosure, A bin level sensor that includes a diaphragm operated switch arrangement for sensing the level of material in bins, containers and the like comprising a, housing of disc-like configuration that is recessed on one side of same to define a diaphragm chamber over which a flexible diaphragm is secured that has a diaphragm plate applied to the inside surfacing of same and centered thereon which seats against and is centered with respect to a thrust shaft shiftably mounted in the housing; the thrust shaft includes one end against which the diaphragm plate acts and an opposite end against which is applied a swing arm that is adjustably spring biased against the …