A Hinge Device to Facilitate Hanging Vertical Booms |
William R. Wyatt, Jr. |
The hinge device shown below can save time and facilitate accurate counterweighting of vertical booms. See Figures 1A, 1B, and 2. The device makes it possible to attach a boom to a batten, load the arbor with the batten in, and then fly the batten out.
FIGURE 1A: HINGE DEVICE CLOSED
FIGURE 1B: HINGE DEVICE OPEN
FIGURE 2: HINGE DEVICE DETAIL
MATERIALS
The main components ...
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