Patent ID: 6504998
Filing Date: 2003-01-07
Classification: A01K

Abstract:
A temperature-sensing tube for an aquarium, said temperature-sensing tube comprising: an outer pipe provided therein with an electric heating coil, an electric circuit board, a temperature sensitive switch, a spring-sheet switch member and an adjusting member partially exposed out of said outer pipe, whereby said adjusting member is rotated to adjust a distance between two ends, a first end on said temperature sensitive switch, and a second end on said spring-sheet switch member for setting of a desired temperature, one end of said temperature sensitive switch is welded to a heat-sinking piece including a main body formed coincident with a shape of, and is completely kept close to, an inner wall of said outer pipe to transmit and sink heat generated in operation, wherein said heat-sinking piece is welded to a horizontal folded edge of said temperature sensitive switch.