| 摘要 |
PCT No. PCT/FI90/00216 Sec. 371 Date Mar. 19, 1992 Sec. 102(e) Date Mar. 19, 1992 PCT Filed Sep. 14, 1990 PCT Pub. No. WO91/04185 PCT Pub. Date Apr. 4, 1991.The present invention relates to a tractor for transferring a variety of trailers and transfer devices (12) equipped with a kingpin (13), which tractor is equipped with a vertically adjustable 5th wheel (4). The 5th wheel (4) comprises gripping members (14, 15) and power mechanisms (16) by means of which the transfer device (12) is by the kingpin (13) with a convenient force pulled into contact with the 5th wheel 4 thus making an inner force balance of the joint 4-12 possible. |
