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Patent Searching and Data


Title:
BOLSTER BEAM FOR RAILWAY VEHICLE BOGIE
Document Type and Number:
WIPO Patent Application WO/2018/225442
Kind Code:
A1
Abstract:
This bolster beam for a railway vehicle bogie is provided with: a bolster beam body having formed therein a pair of auxiliary air chambers connected individually to a pair of air springs; and a stopper structure protruding upwardly from the center, in the vehicle width direction, of the bolster beam body. The upper wall of the bolster beam body has a center upper wall section where the stopper structure is provided; and a pair of outer upper wall sections adjacent to both sides, in the vehicle width direction, of the center upper wall section and joined to the center upper wall section. Each of the pair of outer upper wall sections has, on the center side in the vehicle width direction, an upwardly bent section which is bent upwardly toward the stopper structure, and the outer upper wall section is joined to the center upper wall section at a position closer to the stopper structure-side end of the outer upper wall section than the upwardly bent section.

Inventors:
NARITA TOMOHIRO
ISOMURA KAZUO
Application Number:
PCT/JP2018/017875
Publication Date:
December 13, 2018
Filing Date:
May 09, 2018
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B61F5/10
Foreign References:
JP2007112304A2007-05-10
JP2006182111A2006-07-13
JP2014000880A2014-01-09
US4357879A1982-11-09
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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