| 摘要 |
<p>PCT No. PCT/EP88/00038 Sec. 371 Date Nov. 6, 1989 Sec. 102(e) Date Nov. 6, 1989 PCT Filed Apr. 22, 1988 PCT Pub. No. WO88/08778 PCT Pub. Date Nov. 17, 1988.A circular saw shaft for cutting wood comprises a motor-driven shaft and a circular saw blade mounted on the shaft. A support disk is mounted on the shaft in spaced relationship to the saw blade to apply to the wood a supporting force in a direction extending parallel to the axis of rotation of the shaft. The support disk can be fixed to the shaft, or biased along the shaft axis by springs. In lieu of springs, the support disk could be elastically flexible.</p> |
