| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rotary blade device which allows suppression of twining of vines etc., around a disk-like blade while suppressing scattering of small stones, mud, etc., with each cord cutter, and mounting thereof on a commercially available brush cutter. <P>SOLUTION: In the rotary blade device including the disk-like blade; a housing recessed part installed in the central part on the undersurface of the disk-like blade; and the cord cutter mounted on the inside of the housing recessed part, the gap between the cord blade extended from the outer circumferential part of the cord cutter and the undersurface of the disk-like blade is ≤10 mm. <P>COPYRIGHT: (C)2013,JPO&INPIT |
