Knuckle Joint

HAND CUT

The pivoting wooden brackets that support the lightweight drop leaves of small tables are sometimes fixed to the side rails with metal butt hinges. However, they are traditionally made with stout, integral knuckle joints that are not only stronger but also more sympathetic to a finely made piece. The fixed part of each bracket is screwed to the side rail of the table.

hole for hinge pin

Hoosier Slide Brackets For Table Top

1 Marking out the joints

Set a cutting gauge to the thickness of the wood, and scribe a line all round both halves of the bracket, parallel with the jointed ends. Draw diagonals across the squares formed on each edge of the workpieces.

Marking Out Joints

1 Marking out the joints

Set a cutting gauge to the thickness of the wood, and scribe a line all round both halves of the bracket, parallel with the jointed ends. Draw diagonals across the squares formed on each edge of the workpieces.

4 Removing the waste

Saw along each marked chamfer line, down to the circumference of the circle, then chisel out the waste on the knuckle side of the kerf.

Wooden Knuckle Hinge Joint

chamfer knuckles hinge pin knuckles hinge pin

Chamfer JointKerf JointChamfer Cut

5 Planing the chamfer

Using a 45-degree guide block clamped to the work, accurately cut each chamfer with a shoulder plane.

8 Trimming the ends

Shape the open ends of the shoulder with an in-cannel gouge. Try the joint for fit, and relieve any tight spots with a chisel or file.

5 Planing the chamfer

Using a 45-degree guide block clamped to the work, accurately cut each chamfer with a shoulder plane.

8 Trimming the ends

Shape the open ends of the shoulder with an in-cannel gouge. Try the joint for fit, and relieve any tight spots with a chisel or file.

9 Inserting the hinge pin

Assemble the knuckle joint and clamp it between two stout battens to keep both components perfectly aligned. Using a drill press, bore a hole down the centre of the knuckles, to take a snug-fitting brass hinge pin. Tap the pin in place and file both ends flush.

Knuckle Joint Hinges

6 Marking the knuckles v-

Shape the knuckle end of each workpiece with a plane and wood files, then use a marking gauge to divide the rounded sections into five equal parts. Hatch the waste to define three knuckles on one end and two that interlock with them on the other.

Brass Joints Woodworking

7 Cutting the knuckles

Saw alongside each knuckle down to the chamfer, and remove most of the waste with a coping saw. Working from each side towards the middle, shape the concave shoulder between the knuckles by scooping out the wood with a chisel held bevel-downwards.

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Responses

  • bob
    How to make wooden knuckles?
    4 years ago
  • toini vaskola
    How to make a knuckle hinge joint joinery loppers desk?
    1 year ago
  • john
    How to make one finger wooden knuckles?
    1 year ago
  • thorsten
    How to made of knuckle joint?
    6 months ago
  • Pekka
    How to make a wooden hinge?
    2 months ago

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