DUST REMOVED A SEMIAUTOMATIC WINDOW FRAMES

摘要

PURPOSE: A semi-automatic dusting window frame is provided to semi-automatically remove impurities piled up on a window frame when the impurities are piled up on the window frame as a window is opened and closed. CONSTITUTION: A semi-automatic dusting window frame comprises a rotary belt(20), a window(10), a brush(30), and a rotary shaft(50). The rotary belt moves in a closed trace. The window welds to the rotary belt. The brush is disposed on a bottom of a dust container and contacts with the rotary belt to sweep impurities on a belt. The rotary shaft rotates as it operates according to the movement of the rotary belt.