| 摘要 |
A circular saw for sawing wood pieces, which circular saw has blade guides ( 5, 21 ) which are fastened to fastening arms ( 4, 22 ), and in which the fastening arm ( 4, 22 ) of the blade guides ( 5, 21 ) is fastened concentrically with a drive axle ( 6, 23 ) of the saw blade ( 1 ) pivotedly so that the fastening arm is able to turn around the drive axle ( 6, 23 ), and the blade guides are fastened to the fastening arm ( 4, 22 ) pivotedly with a fastening bearing ( 10, 24 ) so that they are able to turn around the fastening bearing ( 10, 24 ).
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