| 摘要 |
A device for deflecting air produced by the rotating blade of a circular saw in the direction of the front of the blade for dispersing sawdust accumulated in front of the kerf. The device comprises a lamella adjacent the side of the blade adapted to deflect the air through an aperture in the blade protector. A roof shape member located in front of the aperture deflect the incoming air downwardly to produce a flow of air in front of the blade over the board to be cut.
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