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- frequenza di utilizzo
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- etimologia
pantograph$514725$ - traduzione in greco
POWER COLLECTION APPARATUS USED BY TRAINS AND MOST NEWER TRAMS
Pantograph (rail); Pantograph (transportation)
![Baltimore & Ohio Railroad]] electric locomotive. The brass contact ran inside the '''Π''' section bar, so both lateral and vertical flexibility was necessary.](https://commons.wikimedia.org/wiki/Special:FilePath/B&O pantograph.png?width=200 "Baltimore & Ohio Railroad]] electric locomotive. The brass contact ran inside the '''Π''' section bar, so both lateral and vertical flexibility was necessary.")
![Toshiba EMU]]](https://commons.wikimedia.org/wiki/Special:FilePath/J37 453 Scherenstromabnehmer.jpg?width=200 "Toshiba EMU]]")
![Diagram of parts of a pantograph from [[ICE S]]](https://commons.wikimedia.org/wiki/Special:FilePath/Pantograph ICE 3.png?width=200 "Diagram of parts of a pantograph from [[ICE S]]")
![Close-up view of a [[Brecknell Willis]] single-arm pantograph on a [[British Rail Class 333]]](https://commons.wikimedia.org/wiki/Special:FilePath/Pantograph on the Bradford Forster Square train at Menston railway station (30th December 2014).JPG?width=200 "Close-up view of a [[Brecknell Willis]] single-arm pantograph on a [[British Rail Class 333]]")
![Prague tram]]](https://commons.wikimedia.org/wiki/Special:FilePath/PragueStreetcar.agr.jpg?width=200 "Prague tram]]")
![[[Experimental three-phase railcar]], Germany, 1901](https://commons.wikimedia.org/wiki/Special:FilePath/STES-AEG Versuchstriebwagen.jpg?width=200 "[[Experimental three-phase railcar]], Germany, 1901")
![The (asymmetrical) 'Z'-shaped pantograph of the electrical pickup on the [[Berlin Straßenbahn]]. This pantograph uses a single-arm design.](https://commons.wikimedia.org/wiki/Special:FilePath/StrassenbahnPantograph.jpg?width=200 "The (asymmetrical) 'Z'-shaped pantograph of the electrical pickup on the [[Berlin Straßenbahn]]. This pantograph uses a single-arm design.")
![Flexity Outlook LRV]] with its pantograph raised. Note the trolley pole in the rear, which provides compatibility with sections not yet upgraded for pantograph operation.](https://commons.wikimedia.org/wiki/Special:FilePath/TTC LRV 4401 Roof Details closeup.jpg?width=200 "Flexity Outlook LRV]] with its pantograph raised. Note the trolley pole in the rear, which provides compatibility with sections not yet upgraded for pantograph operation.")
![Class 85]] locomotive, used on early AC electric locomotives from the 1960s](https://commons.wikimedia.org/wiki/Special:FilePath/Winwick Junction (2322641904).jpg?width=200 "Class 85]] locomotive, used on early AC electric locomotives from the 1960s")
pantograph
n. παντογράφος
Definizione
pantograph
¦ noun
1. an instrument for copying a plan or drawing on a different scale by a system of hinged and jointed rods.
2. a jointed framework conveying a current to an electric train or tram from overhead wires.
Derivatives
pantographic adjective
Origin
C18: from panto- + Gk -graphos 'writing'.
Wikipedia
Pantograph (transport)
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. The term stems from the resemblance of some styles to the mechanical pantographs used for copying handwriting and drawings.
The pantograph is a common type of current collector; typically, a single or double wire is used, with the return current running through the rails. Other types of current collectors include the bow collector and the trolley pole.
