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.

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FIGURE 1A: HINGE DEVICE CLOSED

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FIGURE 1B: HINGE DEVICE OPEN

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FIGURE 2: HINGE DEVICE DETAIL

MATERIALS

The main components ...

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