System adapted for one or more electrically propellable vehicles (a snow plough arrangement)
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United States of America Patent
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Nov 4, 2014
Grant Date -
Jan 31, 2013
app pub date -
Mar 31, 2011
filing date -
Apr 1, 2010
priority date (Note) -
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Abstract
A snow plough arrangement comprising a least one snow plough unit and related to a system for driving an electrically propellable vehicle along a roadway. The vehicle has three sources of power: a vehicle-related power generator, a set of batteries and vehicle-external electric stations. The vehicle is provided with a current collector which is displaceable up and down and sideways in relation to the direction of transportation, in order to be brought into mechanical and electrical contact with elongated tracks positioned below the roadway and comprising a conductor adapted to be connected with an electric station. The snow plough unit is rotatably fastened to the contact means in an upper area thereof about a horizontally oriented axis of rotation and adapted to clear loose obstacles from the track and yield to solid obstacles. The snow plough unit and the axis of rotation are movably disposed in a vertical direction by means of a resilient member. The snow plough unit comprises a forwardly directed edge portion oriented in the direction of travel, the edge portion comprising a point, which may be brought into contact with the bottom of the track and/or the conductor.
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