Patent ID: 7300337

Claim:
A grinding machine with a dust collector, comprising: a driving portion, having an air inlet and an exhaust vent, both disposed at an end of said driving portion; a transmitting portion, disposed at an end of said driving portion, and an end of said transmitting portion away from an end of said driving portion having a driving shaft, for driving a grinding wheel to rotate, and said grinding wheel defining a working area enclosed by said grinding wheel, said transmitting portion having a first fender, said first fender having an arc portion, said arc portion having (a) a second fender, and (b) at least one first latch portion extended from a side thereof, said first latch portion having a recession for installing said second fender, said second fender having an extended section, said extended section having at least one second latch portion, said second latch portion having a protrusion extendable into said recession, and said second fender having a through hole disposed on a side thereof for passing a fixing element; and a dust-collecting tube, with an end as a dust-collecting opening interconnected to said working area, and another end as a dust-discharging opening, and forming an airflow passage between said dust-collecting opening and said dust-discharging opening, and said dust-discharging opening being interconnected with said exhaust vent through a penetrating hole, and said penetrating hole being interconnected with an inner tube, and said inner tube having an outlet situated in said airflow passage, and said outlet and said dust-discharging opening being aligned in the same direction.