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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.
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 ...
The hinge of the operating door is next to the adjacent fixed door and the latch is located at the wall opening jamb rather than between the two doors or with the use of an espagnolette bolt. A Lev door or convection door is an internal floor-to-ceiling (full height) door, consisting of a standard door leaf and an upper leaf in place of the ...
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.
The knuckles of the two plates are offset from each other and mesh together. A hinge pin is then placed through the two sets of knuckles and usually fixed, to combine the plates and make the hinge a single unit. [2] One door usually has about three hinges, but it can vary.
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NRHP count and density by county Georgia counties. The following are tallies of current listings by county. [a]Atkinson County Courthouse Ben Hill County Jail Ocmulgee National Monument, in Bibb County, Georgia Brooks County Courthouse Fort Pulaski, in Chatham County Rosenberg Brothers Department Store, in Dougherty County Georgia State Capitol, in Fulton County Haralson County Courthouse ...
A door knocker is an item of door furniture that allows people outside a house or other dwelling or building to alert those inside to their presence. A door knocker has a part fixed to the door, and a part (usually metal) which is attached to the door by a hinge, and may be lifted and used to strike a plate fitted to the door, or the door itself, making a noise.