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Hinge bender. A hinge bender, also called a hinge tweaker or hinge adjuster, is a hand tool for adjusting hinges, for instance on doors and windows on buildings or on cars.A hinge bender can be used to straighten a door that is tilted sideways relative to the door frame, which tends to happen gradually with most doors over a long time period.
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Diagram of a structure featuring plastic hinges. In the structural engineering beam theory, plastic hinge is the deformation of a section of a beam where plastic bending occurs. [1] In earthquake engineering plastic hinge is also a type of energy damping device allowing plastic rotation [deformation] of an otherwise rigid column connection. [2]
Flying the flag upside-down, [note 2] or tying it into a wheft. [1] Half-mast. Main article: Half-mast. A style of flag display where the flag is flown at least the width of the flag between the top of the flag and the top of the pole. Typically used as a display of mourning or rememberence. Hoist The act or function of raising a flag, as on a ...
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.
The hinging of casement windows is referred to using the following abbreviations: FCL refers to a left-handed window, where the hinges are located on the left and the locking mechanism is on the right. FCR is a right-handed window with the hinges on the right and the locking mechanism on the left. These definitions apply to a window when ...
Planar four-bar linkages are constructed from four links connected in a loop by four one-degree-of-freedom joints.A joint may be either a revolute joint – also known as a pin joint or hinged joint – denoted by R, or a prismatic joint – also known as a sliding pair – denoted by P. [Note 1]
flag note, flagnote; find number: 1. Flagnote: A flagnote is a note that is called out in specific spots in the field of the drawing. It is numbered with a stylized flag symbol surrounding the number (or sometimes a delta symbol). A general note applies generally and is not called out with flags. 2.