Hinge

A hinge is a mechanical bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation: all other translations or rotations being prevented, and thus a hinge has one degree of freedom. Hinges may be made of flexible material or of moving components. In biology, many joints function as hinges like the elbow joint.Old construction of hinges in the dry stone wall near Bignasco.Ancient pivot hinges, found in the dry stone buildings.A flushed door hinge.A barrel hinge made of wrought iron.A barrel hinge made of bronze strap.Increasing the number of loops to 3 allows the butt hinge axis to be fixed from both ends.Door in furniture with spring to lock door both fully shut and fully open positions. It hides completely behind the door and has adjustment for fine alignment. Allows the door to open even when against a wall.Rusty hinges on a building exterior.This door hinges on the stile and is called a haar-hung door.A living hinge on the lid of a Tic Tac box.Hinged handcuffs A hinge is a mechanical bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation: all other translations or rotations being prevented, and thus a hinge has one degree of freedom. Hinges may be made of flexible material or of moving components. In biology, many joints function as hinges like the elbow joint. There are many types of door hinges. The main types include: