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Looking for advice on hinges to handle heavy load

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Forum topic by JohnHHaines posted 05-21-2018 07:20 PM 4442 views 0 times favorited 6 replies Add to Favorites Watch
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JohnHHaines

3 posts in 206 days


05-21-2018 07:20 PM

Topic tags/keywords: bookshelf hinge question

In my basement, I have a TV on a stand between sets of bookcases. Not wanting to waste the space behind the TV, I built two shallow depth (about a paperback deep) shelves to go behind the TV.

Fast forward a while, and we have a larger TV (the other one having left with my son to college). It’s a lot harder to reach the books, and I would like to hang the bookshelves on hinges attached to the larger bookshelves on either side, and have them hide the TV, but swing open to reveal the TV.

So really, use the bookshelves as “cabinet doors”.

The shelves are roughly 4’ x 2’. I don’t know exact weight, but easily 40-50 lbs.

However, I have no idea what he best hinge might be.

- concerned about it carrying the weight of a bookshelf full of books
- want it to close flat (a protruding hinge pin would be ok
- must be able to open 180 degrees to allow reveal of TV, and not interfere with TV viewing

Any advice ?


6 replies so far

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John Smith

1482 posts in 363 days


#1 posted 05-21-2018 09:33 PM

have you considered a continuous hinge such as the piano hinge ?
it can be mounted with only the spine being visible.

.

-- I started out with nothing in life ~ and still have most of it left.

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JohnHHaines

3 posts in 206 days


#2 posted 05-21-2018 11:11 PM

That’s what I was thinking of, wasn’t sure if they would hold the load because it will be vertical, not horizontal.

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John Smith

1482 posts in 363 days


#3 posted 05-21-2018 11:55 PM

I have used piano hinges in numerous applications, both horizontal and vertical
and never experienced the hinge itself fail….. if anything, the screws fail by pulling out.
you could test the strength if you can find wood of the similar type of the cabinet
and a piece the size of the door, install the hinge and apply downward pressure.
particle board and MDF presents its own set of challenges. (but doable).
I guess describing the cabinet itself would be of more help as well as some photos.

.

-- I started out with nothing in life ~ and still have most of it left.

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bondogaposis

5088 posts in 2551 days


#4 posted 05-22-2018 12:50 AM

I agree that piano hinge would be a good bet, because of all of the screws they can support a lot of weight. The hinges usually come with screws that are fairly short. If the sides of your bookcase can handle it, you could substitute longer screws to add strength.

-- Bondo Gaposis

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JohnHHaines

3 posts in 206 days


#5 posted 05-22-2018 04:01 AM

Thanks all. I will do a mock-up and test – screw length was my other concern, may need to replace the “big box” MDF bookcases with solid pine like mine to hold the screws.

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Redoak49

3663 posts in 2189 days


#6 posted 05-22-2018 11:18 AM

If you are putting screws into MDF or soft wood, you can strengthen it by putting a drop of super glue in the screw hole. I do this often and works well.

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