| 摘要 |
PCT No. PCT/FR86/00250 Sec. 371 Date Mar. 13, 1987 Sec. 102(e) Date Mar. 13, 1987 PCT Filed Jul. 11, 1986 PCT Pub. No. WO87/00495 PCT Pub. Date Jan. 29, 1987.A removable self-lubricating plate for the coupling of semi-trailer vehicles includes an aperture having a diameter so that the plate will frictionally engage the pivot pin of a vehicle mounted on the bearing plate of the vehicle so as to pinch the base of the pivot pin and will be held in position by deformation of the self-lubricating plate under its own weight.
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