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Builders' hardware or just builders hardware is a group of metal hardware specifically used for protection, decoration, and convenience in buildings. [1] Building products do not make any part of a building, rather they support them and make them work. [2] It usually supports fixtures like windows, doors, and cabinets.
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 ...
Another unique feature of the boxes is the location of the handle on the hinge side, opposite of the lock, so that when placed on a desk, the lock faces the recipient, who has the key and the authority to access the contents of the box. That also ensures the box is locked before being carried. [7]
Doors generally have at least one fixed handle, usually accompanied with a latch (see below). A typical "handle set" is composed of the exterior handle, escutcheon, an independent deadbolt, and the interior package (knob or lever). On some doors the latch is incorporated into a hinged handle that releases when pulled on. See also:
Full door protection uses front and rear anti-finger trapping devices and ensures the hinge side of a door is fully isolated. A risk assessment of the door determines the appropriate level of protection. There is also handle-side door protection, which prevents the door from slamming shut on the frame, which can cause injury to fingers/hands.