B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
254/148
B66F 9/12 (2006.01) B66F 7/16 (2006.01)
Patent
CA 1296706
17 ABSTRACT OF THE DISCLOSURE A lifting device comprising two piston cylinder mecha- nisms (1) is adapted to lift a first part (2) relative to a second part (3). The first part (2) is in releasable force transmitting engagement with the pistons (9) of the mechanisms. Arrangements (17) for restricting the expansion of the mechanisms act tensile force transmit- ting between the first part (2) and the cylinders (15) of the mechanisms. The portions of the pistons (9) inten- ded to be received in the cylinders have generally uni- form cross sections. The tensile force transmitting ar- rangements (17) are adapted to allow disengagement of the first part (2) from the pistons (9) and such movement of the first part that the pistons get free to be drawn out of the cylinders. (Fig 1).
583738
Ade & Company
Nilsson Nils Enar
LandOfFree
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