Under-cabinet Shelf and Hinge

I wanted to have a space in the garage shop to keep my pencils and paper for woodworking, stuff needed when working on projects.  The items were kept in a cabinet which works of course, but is not too convenient, especially when using the pad of paper.  The paper on a clipboard would be used at the bench, but was frequently in the way.  What I needed was a desk, but space would not allow for something like that.

The solution is an under-counter shelf that folds down at an angle.. looking online, such hinges cost about $50 and look too small for this application.  Time to build one!

All items required for the build were purchased at Menards:

  • Angle iron
  • Steel Flat bar
  • Springs
  • Shoulder bolts
  • Nylon lock nuts

Some thoughts on the build:

  • The rough geometry of the hing was determined using wood, with nails as a pivot point.  I made adjustments until it worked as needed.
  • The off-the-shelf should bolts had too much shoulder, that was fixed by running a die down to the desired amount.
  • 1/2″ plywood used for the shelf, pine pieces for dividers.
  • When tightening the fasteners, a small amount of friction is a good thing, it helps the shelf stay in the upright position.
  • The springs will have to be resized for the proper tension.




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