| 摘要 |
<p>The invention concerns a portable rotary cutting machine called bush cutter comprising a tubular or pipe-shaped body (1) provided with a rotary motor driving a rigid rotary cutting member (3) such as a blade or a disc and a torque limiter for such a bush cutter. The machine is characterised in that it comprises, interposed between the rotary motor element and the machine rigid rotary cutting member (3), a torque limiter (4) with percussive effect, said percussive effect being preferably produced in a plane parallel to the cutting member (3) plane of rotation.</p> |
