| 摘要 |
A tube coupler consisting of a tube piece cut longitudinally and provided internally with two pairs of double-acting hydraulic cylinder-piston units hinged to the wall of the tube piece and each acting on two connecting rods which are hinged to said wall on opposite sides of the longitudinal cut. The tube piece is also provided with two sets of longitudinal spacer members on its outer surface and with frusto-conical endpieces at its extremities. |
