Patent ID: 8739430

Claim:
A hand drying apparatus comprising: a main box body that includes a hand insertion portion for allowing insertion/pulling out of hands and a water pan for collecting water drops blown away from hands; a high-pressure airstream generating device housed in the main box body for generating a high-pressure airstream; a nozzle through which a high-pressure airstream generated by the high-pressure airstream generating device is ejected inside the hand insertion portion; a drain tank for accumulating water that is collected in the water pan, wherein the drain tank is attached to the main box body in a detachable manner; a first lock mechanism is disposed for restricting removal of the drain tank; an air filter disposed at an air inlet of the main box body, wherein the air filter is housed in a filter housing having an openable-closable housing cap; and a protrusion is formed on the drain tank for restricting opening and closing of the housing cap, the protrusion at least partially covering the housing cap in a position that the drain tank is attached to the main box body and, only when the drain tank is removed, allowing the housing cap to open and close, and the first lock mechanism also restricts opening and closing of the housing cap.