Patent ID: 6790135
Filing Date: 2004-09-14
Classification: B24B

Abstract:
A finishing machine having a sandpaper positioning function, comprising:a frame; a rotation wheel rotatably mounted on the frame, the rotation wheel having a periphery formed with an annular flange radially extending inward, the annular flange of the rotation wheel having an inner periphery formed with an annular groove, an opening defined in the annular flange and a concavity defined in the rotation wheel, the opening and the concavity both communicating with the annular groove and located in alignment with the concavity; a sandpaper bonded on the rotation wheel; and an O-ring mounted on the rotation wheel and urged on the sandpaper, the O-ring being inserted into the annular groove of the rotation wheel and the annular flange of the rotation wheel pressing on the O-ring so as to position the sandpaper.