Waterproof mechanism for weighing apparatus

Abstract

Provided is a waterproof mechanism that waterproofs a mass sensor of a weighing apparatus without using a diaphragm or a dedicated jig. A waterproof mechanism (20) for a weighing apparatus includes a weighing pan (11), a mass sensor (12) to which a load of the weighing pan is transmitted, a device case (10) configured to house the mass sensor, a pan boss (14) configured to support the weighing pan higher than the device case, and a pan boss circumferential member (13) provided in a circumferential direction of the pan boss and fixed to the device case, wherein the weighing pan includes a side wall portion (112) provided continuously downward from a pan portion rim, and when the weighing pan is lowered downward by a prescribed amount, the side wall portion engages with the pan boss circumferential member in the circumferential direction, and a lower surface (1111) of the pan portion and an upper surface (1321) of the pan boss circumferential member come into contact with each other.

Dependencies are inferred from the claim text.