| 摘要 |
A coupling for use between first and second vehicles has a series of sections joined in line by pivotal connections. One section is a draw bar anchored to the frame of the first vehicle, another is a tow unit connected by transverse pivots to the second vehicle. A first intermediate section has a pivoted connection with the draw bar section with the connection having a transverse pivot axis and a fifth wheel connection with a second intermediate section. The second intermediate section has a connection with the tow bar section that permits limited turning on a lengthwise axis between them and, accordingly permitting limited roll between the two vehicles when the coupling is in use. The coupling is described with particular reference to uses with first and second trailers.
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