B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
187/3
B66F 11/04 (2006.01) B66F 9/02 (2006.01) B66F 9/06 (2006.01)
Patent
CA 1334831
A hoist includes a lower main carriage frame to which is affixed a rigid upright boom. A second longer boom is pivotly attached to the base of the upright boom. The upright boom carries at its upper end a pully as does the distal end of the pivoting boom. A winch is mounted on the upright boom and its cable, when threaded over the pullies, and attached to the main carriage frame, will pivot the boom into the vertical position where it may be fixedly attached to the vertical boom. A truck is adapted to travel up and down the pivoting boom when in the vertical position. The truck carries amaterial carrying platform so that materials such as bricks may be moved from one elevation into another conveniently. The hoist when the pivoting boom is in its horizontal and non operative position can be easily moved from site to site since it has running wheels attached to the main carriage frame.
595225
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