Patent ID: 7082827
Filing Date: 2006-08-01
Classification: G01F

Abstract:
1. An apparatus for detecting a lowering of a top surface of a liquid, comprising: a housing having a housing hole; an insertion member attached to the housing; a dowel defining a dowel longitudinal axis, wherein the dowel has a first end and a second end, and wherein the dowel is inserted into the housing hole; at least one float attached to the dowel; a detector switch having an actuator arm, wherein the detector switch is attached to the housing, and wherein the actuator arm is located proximate the first end of the dowel; and an audio transducer attached to the housing; and wherein the insertion member has an insertion member hole, wherein the insertion member hole is at least partially aligned with the housing hole; wherein the dowel is inserted through the insertion member hole and the housing hole; wherein the housing has a lateral surface and a ledge, and wherein the insertion member has a first side face, and wherein the insertion member is attached to the ledge of the housing, wherein the lateral surface of the housing and the first side face of the insertion member are substantially perpendicular to the ledge of the housing, and wherein the longitudinal axis of the dowel is substantially perpendicular to the ledge of the housing; and wherein the insertion member has a width, and each float has a width, and wherein the width of the insertion member is at least as large as the width of each float.