Bogie frame for railway vehicles
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United States of America Patent
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Sep 20, 2016
Grant Date -
Jul 23, 2015
app pub date -
Jul 17, 2013
filing date -
Aug 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A bogie frame for railway vehicles includes a pair of left and right side beams disposed along a direction of rails; a cross beam that connects the side beams to each other, and a mounting bracket for mounting a functional part, the mounting bracket being joined to the cross beam. The cross beam has a rectangular cross section and includes a top plate section, a bottom plate section, and a pair of side plate sections. The top plate section has a cutout opening extending to one of the side plate sections. The mounting bracket is inserted in the cutout opening and the mounting bracket and the top plate section are butt welded together. This configuration enhances welding workability for welding mounting brackets for mounting functional parts such as a traction motor, a gearbox, and a brake, and allows a greater degree of design flexibility in mounting the functional parts.
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