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An ornate brass door hinge A barrel 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, with all other translations or rotations prevented; thus a hinge has one degree of freedom.
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. Device to open or close door Various examples of door handles throughout history A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including: exterior doors of residential and commercial buildings, internal doors ...
However, there has been a simultaneous revival in the fortunes of old-style hand-forged ironmongery, with strong interest in the authentic restoration of period homes leading to demand for items such as traditional iron door handles, door knobs, door knockers, letter plates, locks, hinges, hooks, cabinet fittings and window furniture. There has ...
Architectural ironmongery includes door handles, closers, locks, cylinder pulls and hinges (door furniture), window fittings, cupboard fittings, iron railings, handrails, balustrades, switches and sockets. The term is sometimes used to distinguish between these items and retail of consumer goods sold in ironmongers' shops or hardware stores.
A butterfly knife uses a single latch to hold the folding blade both open and closed, depending on the position of the handles; by rotating 180 degrees the same latch can be used in either configuration. Butterfly knife latches have numerous variations, including magnetic variants and some which can be opened via a spring when the handles are ...
A geared continuous hinge is a type of continuous hinge used mostly on doors in high-traffic entrances and features gear teeth that mesh together under a cap that runs the length of the hinge. The hinges use a number of fasteners to attach the door to the frame from top to bottom to distribute a door’s weight more evenly along the frame to ...