| 摘要 |
A planer and thicknesser comprising a frame having a passage way which extends through the frame from one aperture in a wall of the frame to another aperture in a wall of the frame; an upper table having a front and rear sections (14,16) mounted on the frame in such a manner in order to form a slot between the front and rear sections of the upper table; a cutting drum rotatably mounted within the frame such that an upper lengthwise section of the periphery of the cutting drum projects upwardly through the slot and a lower lengthwise section of the periphery of the cutting drum projects downwardly into the passage way; a lower table, substantially parallel to the upper table, mounted either within the passageway or forms the base of the passageway, below the cutting; a cover (34) mounted above the upper table capable of being moved from a first position where it is adjacent the upper table and covers the lengthwise section of the periphery of the cutting drum which projects upwardly through the slot to a second position where it is above and away from the upper table whereby the cover can be moved perpendicularly relative to the plane of the upper table from the first position to the second position.
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