| 摘要 |
PROBLEM TO BE SOLVED: To provide the subject collector stable at the time of moving, easily movable, capable of easily executing dust removing operation even for the clogging of a cylindrical cassette filter and also easily capable of exchange of the cylindrical cassette filter. SOLUTION: A motor is arranged at the low position, and the cylindrical cassette filter is constituted so as to easily exchange by opening the door 4 of an upper side exchange port, and also a dust removing click 19 for removing the powder and dust stuck to the cylindrical cassette filter is inserted freely rotatably at the inside of the cylindrical cassette filter, moreover, a flow-in port 2 is arranged at the position shifted from the center of a dust collector main body and the air flowed into the device from the port 2 may be rotate along the outer periphery of the cylindrical cassette filter so that the powder and dust may be fallen by colliding to an inner wall by cyclone effect.
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