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Old 11-19-2022, 12:37 PM   #21 (permalink)
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Consider this:

(I could ddo better today, but I need a new monitor for that machine. The mid-1990s screen died)

A Watts four-bar linkage instead of a hinge at the top. It would move in an arc, requiring more of it's weight be lifted, and it would move half as far to provide clearance.

The top two bars are connected to resist racking on the four mounting points.

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Old 11-21-2022, 10:57 AM   #22 (permalink)
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' 4-bar'

And it was my original intent until I realized how bad our roads are, and how the shock-loading on the 'more massive than I'd really like' mechanism would probably succumb to the World Pothole Federation 'Smack-Down'.

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