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Hinges

1-13. Hinges

All hinges are used to make a movable joint between two pieces of material. A hinge consists primarily of a pin and two plates. There are three most commonly used hinges: full-mortise, half-surface, and full-surface. Figure 1-51 shows the basic design of a common door hinge.

Figure 1-51. Common door hinge
Figure 1-51. Common door hinge

a. Full-Mortise. The full-mortise hinge (Figure 1-52) is cut or mortised (gained) into both the doorjamb and the door. The leaves of a full-mortise hinge are completely hidden, leaving only the barrel exposed when the door is closed.

Figure 1-52. Full-mortise hinge
Figure 1-52. Full-mortise hinge

b. Full-Surface. The full-surface hinge (Figure 1-53) is fastened directly to the door and jamb, and no mortise is required. Note that the edges of the full-mortise are beveled. The surface of the frame and door must be flush when full-surface hinges are used.

Figure 1-53. Full-surface hinge
Figure 1-53. Full-surface hinge

c. Half-Surface. As shown in Figure 1-54, the half-surface butt-type hinge is like the other hinges, except that one leaf is fastened on the surface of the door and the other leaf fits into a grain in the frame.

Figure 1-54. Half-surface hinge
Figure 1-54. Half-surface hinge

d. Cabinet Hinges. Hinges come in many styles and finishes for every type of cabinet. Either full-mortise, full-surface, or half-surface hinges are used for cabinet work. A few of the designs of cabinet hinges are shown in Figure 1-55.

Figure 1-55. Cabinet hinges
Figure 1-55. Cabinet hinges

e. Special Hinges. Many other types of hinges are available. Several are shown in Figure 1-56.

Figure 1-56. Special hinges
Figure 1-56. Special hinges

 
Curriculum design: David L. Heiserman
Publisher: SweetHaven Publishing Services

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