B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
B66C 1/66 (2006.01)
Patent
CA 2686865
A head block assembly (105) comprising a first head block (120) having a first pair of cable engaging sheaves (130); a second head block (125) having a second pair of cable engaging sheaves (135); a separation device (140) mounted intermediate the first and second head blocks (120, 125), for effecting relative transverse movement of said head blocks; wherein the first pair of sheaves (130) are selectively disengagable from the first head block (120), and selectively engagable with the second head block (135).
Ensemble bloc de tête (105) comprenant un premier bloc de tête (120) comportant une première paire de poulies venant en prise avec des câbles (130); un second bloc de tête (125) comportant une seconde paire de poulies venant en prise avec des câbles (135); un dispositif de séparation (140) monté entre les premier et second blocs de tête (120, 125) pour effectuer le déplacement transversal relatif des blocs de tête. La première paire de poulies (130) peut se désolidariser sélectivement du premier bloc de tête (120) et peut venir en prise sélectivement avec le second bloc de tête (135).
Mills Robert Arthur
Ng Ghee Hua
Tong Zhanmin
Marks & Clerk
Nsl Engineering Pte Ltd
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