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Drafting pantograph in use Pantograph used for scaling a picture. The red shape is traced and enlarged. Pantograph 3d rendering. A pantograph (from Greek παντ- ' all, every ' and γραφ- ' to write ', from their original use for copying writing) is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical ...
An example of a simple scissor lift A pantograph mirror. A scissors mechanism uses linked, folding supports in a criss-cross 'X' pattern. [1]The scissor mechanism is a mechanical linkage system used to create vertical motion or extension.
This configuration is also called a pantograph, [2] [3] however, it is not to be confused with the parallelogram-copying linkage pantograph. The linkage can be a one-degree-of-freedom mechanism if two gears are attached to two links and are meshed together, forming a geared five-bar mechanism.
These four-bar linkages have coupler curves that have one or more regions of approximately perfect straight line motion. The exception in this list is Watt's parallel motion, which combines Watt's linkage with another four-bar linkage – the pantograph – to amplify the existing approximate straight line movement.
A pantograph is a mechanical connected linkage of a writing instrument, like a pen, such that the movement of one pen, in tracing an image, produces identical movements in a second pen. Pantograph may also refer to: Pantograph (lighting suspension), an overhead lighting system used in television and photography
A horizontal pantograph maintains identical planar (X and Y axis) movement, with two degrees of freedom; An angled pantograph descending from the bridge maintains identical vertical (Z axis) movement; A torsion beam maintains identical pen fore-and-aft tilt; A parallel linkage maintains identical pen side-to-side tilt
Watt's linkage automobile suspension Watt's linkage train suspension. Watt's linkage is used in the rear axle of some car suspensions as an improvement over the Panhard rod, which was designed in the early twentieth century. Both methods are intended to prevent relative sideways motion between the axle and body of the car.
Children's understanding and use of display rules is strongly associated with their social competence and surrounding. [11] Many personal display rules are learned in the context of a particular family or experience; many expressive behaviour and rule displays are adopted by copying or adopting similar behaviours than their social and familial ...