| 摘要 |
A system for the welding of motor-vehicle bodies comprises a conveying line, for carrying the motor-vehicle bodies to be welded through a welding station, and a plurality of pairs of side gates mobile on guide means, the gates of each pair being adapted to the configuration of a corresponding type of body to be welded. According to the invention there is provided a plurality of tractors, which are independent with respect to said side gates, each tractor being selectively coupleable in an automatic way to side gates of different pairs, for the purposes of displacement of the latter between an active position, close to the welding station, and at least one parking position, remote from the welding station.
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