| 摘要 |
<p>A planer and thicknesser comprising a frame (26) having a passage way (126) which extends through the frame (26) from one aperture (124) in a wall of the frame (26) to another aperture in a wall of the frame (26); an upper table (20, 28) having a front and rear sections mounted on the frame (26) with a slot (128) between them; a cutting drum (24) rotatably mounted within the frame (26) such that an upper lengthwise section of the periphery of the cutting drum (24) projects upwardly through the slot and a lower lengthwise section of the periphery of the cutting drum (24) projects downwardly into the passage way (126);a motor (100) which rotatingly drives the cutting drum (24) when activated; a lower table (130), substantially parallel to the upper table (20, 28), mounted within the passageway, below the cutting drum (24); and a dust extractor capable of being connected below the upper table (20, 28) when the upper table (20, 28) is being used to support a work piece and capable of being connected above of the upper table (20, 28) when the lower table is being used to support a work piece, and which comprises a box (2), which forms a chamber (10), having an aperture (8) formed through a first side of the box (2) which faces the bottom of the cutting drum (24) when connected below the upper table (20, 28) and faces the top of the cutting drum (24) when connected above the top surface of the upper table (20, 28); characterised in that the dust extractor comprises two chutes (4, 6) which are connected to a second side of the box (2) and which project away from the box (2), each chute (4, 6) forming a passageway (12, 14) which connects to the chamber (10).</p> |
