| 摘要 |
<p>The invention relates to a breaker, comprising the body (1) and in the body the crushing jaws (2, 3) placed opposite each other, at least one of the crushing jaws (3) being movable so that the block to be crushed can be pressed between the jaws. It is characteristic of the breaker of the invention that at least one of the crushing jaws (3) includes a transfer device (4) for moving the crushing jaws reciprocally in relation to each other and for gradually increasing the compression force in pumping movements during the crushing.</p> |
