Plate spring unit and railcar bogie using same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 15, 2016
Grant Date -
Jun 11, 2015
app pub date -
Jan 11, 2013
filing date -
Feb 29, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A railcar bogie includes a cross beam to support a carbody of a railcar, a pair of front and rear axles between which the cross beam is located and arranged, respectively, in front of and behind the cross beam in a railcar longitudinal direction and extending in a railcar width direction, bearings provided at both railcar width direction sides of the axles to rotatably support the axles, axle boxes to respectively accommodate the bearings, and a plate spring extending in the railcar longitudinal direction to support one of both railcar width direction end portions of the cross beam and including both longitudinal direction end portions supported by the axle boxes. The plate spring unit includes a plurality of plate springs to elastically deform in an upper-lower thickness direction. The plate springs are arranged in a line in a width direction perpendicular to the longitudinal direction and the thickness direction.
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