| 摘要 |
<p>This invention relates to a machine which includes a right-angled frame and whose respective mutually opposite and parallel sides are intended to carry, either directly or indirectly, one end of a bar (25) or axle for rolling or sliding movement in the longitudinal direction of the machine. The bar or axle carries a working implement which is mounted for movement in a direction which deviates from the direction of movement of the bar or axle. According to the invention, one end of the bar (25) is provided with a first journal means (27) which permits limited pivoting of the bar, while the opposite end of the bar is provided with a second journal means (28) which permits the bar to pivot and to move horizontally.</p> |
