| 摘要 |
<p>PURPOSE: A firewood cutting device is provided to prevent damage to cutting blades and to facilitate falling of cut firewood by being formed to move and flow a plurality of the cutting blades. CONSTITUTION: A firewood cutting device comprises a main body(1), a blade unit(3), and a first adjusting valve and a second adjusting valve(8,9). When an operating shaft of a second cylinder(36) moves forward through the first adjusting valve along with a pusher(35) and a plurality of springs(33a,33b,33c) is compressed, the interval among cutting blades(34a,34b,34c) becomes narrow.</p> |
