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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 floating hinge is a hinge that, while able to behave as a normal hinge, enables one of the objects to move away from the other - hence "float". In effect, the hinge allows for two parallel axes of rotation – one for each object joined by the hinge – and each axis can be moved relative to the position of the other.
A revolving door allows people to pass in both directions without colliding, and forms an airlock maintaining a seal between inside and out. A pivot door, instead of hinges, is supported on a bearing some distance away from the edge, so that there is more or less of a gap on the pivot side as well as the opening side. In some cases the pivot is ...
In geometry, a hinged dissection, also known as a swing-hinged dissection or Dudeney dissection, [1] is a kind of geometric dissection in which all of the pieces are connected into a chain by "hinged" points, such that the rearrangement from one figure to another can be carried out by swinging the chain continuously, without severing any of the ...
The same word is used to refer to a thin slat built inside a door frame to prevent a door from swinging through when closed. A doorstop (applied) may also be a small bracket or 90-degree piece of metal applied to the frame of a door to stop the door from swinging (bi-directional) and converting that door to a single direction (in-swing push or ...
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Hinge is “literally the worst dating app on the market right now,” goes one representative TikTok video; another user says Hinge’s suggested matches were so bad, she deleted the app to ...
A hinged arch bridge is one with hinges incorporated into its structure to allow movement. In structural engineering, a hinge is essentially a "cut in the structure" that can withstand compressive forces. In a steel arch the hinge allows free rotation, [2] somewhat resembling a common hinge. The most common hinged arch bridge varieties are the ...