pantograph


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pan·to·graph

 (păn′tə-grăf′)
n.
1. An instrument for copying a plane figure to a desired scale, consisting of styluses for tracing and copying mounted on four jointed rods in the form of a parallelogram with extended sides.
2. A similarly jointed framework, such as a power-collecting trolley on an electric locomotive or an extensible telephone arm.

[Greek panto-, all; see pantomime + -graph.]

pan′to·graph′ic adj.

pantograph

or

pantagraph

n
1. (Tools) an instrument consisting of pivoted levers for copying drawings, maps, etc, to any desired scale
2. (Railways) a sliding type of current collector, esp a diamond-shaped frame mounted on a train roof in contact with an overhead wire
3. (Broadcasting) a device consisting of a parallelogram of jointed rods used to suspend a studio lamp so that its height can be adjusted
pantographer n
pantographic adj
ˌpantoˈgraphically adv
panˈtography n

pan•to•graph

(ˈpæn təˌgræf, -ˌgrɑf)

n.
1. an instrument for the mechanical copying of maps or diagrams on any desired scale.
2. a device for transferring current from an overhead wire to a vehicle, as an electric locomotive.
[1715–25]
pan•tog′ra•phy (-ˈtɒg rə fi) n.

pantograph

a mechanical device for making copies of plans or drawings on a scale different from that of the original. — pantographic, adj.
See also: Copying
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pantograph - mechanical device used to copy a figure or plan on a different scalepantograph - mechanical device used to copy a figure or plan on a different scale
mechanical device - mechanism consisting of a device that works on mechanical principles
Translations

pantograph

nPantograf m

pantograph

[ˈpæntəˌgrɑːf] n (Rail, Tech) → pantografo
References in classic literature ?
Sometimes he copied on paper the involved and delicate pattern left by the ball of the finger, and then vastly enlarged it with a pantograph so that he could examine its web of curving lines with ease and convenience.
[ClickPress, Mon Oct 01 2018] The pantograph is used on the roof of the train for transmitting current from overhead catenary wire and supply to the locomotive's engine.
Quilting can be grouped into three basic styles: free-motion, pantograph and custom.
Any problem that occurs in this system, especially the occurrence of an arc between the pantograph and the catenary, leads to serious damage to the overhead wire and the disruption of traffic on the electrified railway [1, 2].
It is well known that the pantograph equation arises in quite different fields of pure and applied mathematics and have been investigated extensively [8-10].
Differential equations with proportional delays are usually referred to as pantograph equations or generalized pantograph equations.
The electric power is transmitted from the catenary to the locomotive via a pantograph installed on the roof.
Pantograph is a device that is mounted on the train's roof and it is used to collect the energy from the catenary.
Electric trains collect 25kV via a pantograph, a sprung, roof-mounted device that exerts a light upward pressure on the conductor wire to maintain contact.
According to Scania, its hybrid truck receives electrical power from a pantograph power collector that is mounted on the frame behind its cab.
The core of the system is an intelligent pantograph combined with a hybrid drive system.