Pantographs are used for reducing or enlarging engineering drawings and maps and for guiding cutting tools over complex paths. Artists specializing in miniatures use pantographs to achieve greater detail.

What is the function of a pantograph?

A pantograph (or "pan", or "panto") is an apparatus mounted on the roof of an electric train, tram, or electric bus to collect power through contact with an overhead line.

What is pantograph and its applications?

A pantograph is an old mechanism and is widely used in electrical locomotives to transfer electricity from catenary lines. It consist of 5 linkages forming parallelogram, each of the link is connected with the help of pin joint in order to form a revolute pair.