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What lid support for this coffee table?

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Forum topic by ravensrock posted 01-07-2019 12:41 AM 303 views 0 times favorited 3 replies Add to Favorites Watch
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ravensrock

507 posts in 2154 days


01-07-2019 12:41 AM

Topic tags/keywords: question oak

I’m building a large 40×40 coffee table for a client. Part of the top is hinged to access storage inside. I’m looking for lid supports for it. I tried the pair you see in the picture but they don’t work. I think the issue is the thickness of the side and placement of the piano hinge. Most supports seem to be made for a 3/4” thick back. This back is about 1 7/8”. The fixed mounting position and fixed length of the support on this type of support don’t allow the lid to close and wants to push in the direction of the red arrows.

What type of lid support would I need in this situation? Would either style in the last two pictures work? Thanks!

-- Dave, York, PA, Wildside Woodworking


3 replies so far

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ravensrock

507 posts in 2154 days


#1 posted 01-07-2019 02:58 AM

Some other pictures if that helps!

-- Dave, York, PA, Wildside Woodworking

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WoodenDreams

748 posts in 422 days


#2 posted 01-07-2019 04:34 AM

These lid supports shown in the upper picture would be fine with 3/4”x40” lid and 3/4” carcass. If you want to use this style lid support, I would add two center lid supports and move the piano hinge to the inside lip of your hinge mortise. then shave down behind the hinge if you need lid clearance when in open position. If you don’t want to move the piano hinge, then mortise or chisel out (notch out) where the hinge attaches to the carcass, so there is about a 3/4” or 7/8” thickness in the carcass where the hinges attach… I would also add two center lid supports and notch out where they also attach to the carcass. Because of the weight of the lid, the two lid supports you choice would work great with a 3/4”x40” lid. Not with 1 7/8”x40” lid.

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ravensrock

507 posts in 2154 days


#3 posted 01-07-2019 01:55 PM

Thanks WoodenDreams. The lid is 1 1/4”. Not 1 7/8…but still big! I can’t move the piano hinge to the inside lip- the overhang of the lid hits the legs when lifted then given that the sides are inset from the legs.

In the side view drawing the 11/16” is the plywood carcass, the 9/16” is the “barn door” framing and the 5/8” is just a strip along the top flush with the legs to attach the piano hinge.

I thought about mortising the carcass where the hinges attach and leave essentially a 3/4” side at those locations. I still could do that but if it didn’t work I’d have two notches cut on the inside of the table. That’s why I was wondering about a different kind of hinge- one that doesn’t have a fixed length but bends in the middle.

Any experience with that type of hinge?


These lid supports shown in the upper picture would be fine with 3/4”x40” lid and 3/4” carcass. If you want to use this style lid support, I would add two center lid supports and move the piano hinge to the inside lip of your hinge mortise. then shave down behind the hinge if you need lid clearance when in open position. If you don t want to move the piano hinge, then mortise or chisel out (notch out) where the hinge attaches to the carcass, so there is about a 3/4” or 7/8” thickness in the carcass where the hinges attach… I would also add two center lid supports and notch out where they also attach to the carcass. Because of the weight of the lid, the two lid supports you choice would work great with a 3/4”x40” lid. Not with 1 7/8”x40” lid.

- WoodenDreams

-- Dave, York, PA, Wildside Woodworking

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