| 摘要 |
<p>The back part(2) ofthe underframe (2, 3) is fastened to the center point of the three-point life of tractor (1) by means of an eye-bolt (9), the shaft of which is rotatingly mounted on said part (2). The side part (3) of the underframe (2,3) is comprised of a part (16) which bears by wheel (21) on the ground and carries a bearing (19) for the arm from the tilling machine, an extension piece (17) and a connection piece (18) lockable in several positions to the extension piece (17), and hingedly fastened by a pin (41) and a fastening piece (38,39) to tractor (1) adjacent the engine. The complete underframe (2,3) can tilt relative to tractor (1) about the hinging axes formed by said eye-bolt (9) and said pin (41), extending in the lenghtwise direction of tractor (1). Even with a height differential between said wheel (21) and the tractor (1) no large turning movement can be generated in the underframe (2,3) or its fastening.</p> |
