Hook design & process:Hoist hook, crane hook block & pulley - Overhead Travelling Crane
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Hook design & process:Hoist hook, crane hook block & pulley - Overhead Travelling Crane
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Crane trolley with block pulley: 1-trolley, 2-upper blocks, 3-lower
Designed for hanging weight things to lighten load. Using gravity and skating to lift. Pulley rotation cylinder head is solid, reliable, can rotate
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