Bogie for railway vehicle with a suspension system
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United States of America Patent
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Aug 4, 2015
Grant Date -
Dec 19, 2013
app pub date -
Jun 18, 2013
filing date -
Jun 18, 2012
priority date (Note) -
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Abstract
A bogie is provided. The bogie includes two pairs of wheels, the wheels of each pair are connected to each other by an axle structure, this axle structure includes, for each wheel, an axle box. The bogie includes an articulated chassis, each axle structure is supported by the chassis by way of the primary suspension device. The primary suspension device includes, for each wheel, an arm extending substantially longitudinally between a first end that is integrally joined with the axle box associated with this wheel, and a second free end. The arm is articulated between the first and second ends about a pivot connection with the chassis. For each arm, a primary helical spring extends between a first seat provided on the second end of the arm, and a second seat carried by the chassis.
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