Title:
RAILROAD VEHICLE BOGIE
Document Type and Number:
WIPO Patent Application WO/2019/131330
Kind Code:
A1
Abstract:
This railroad vehicle bogie is provided with: a bogie frame that has a crossbeam and pressing members provided to both ends of the crossbeam in the vehicle width direction; a plurality of journal boxes that store a plurality of bearings for supporting pairs of wheel axles; leaf springs that extend in the vehicle longitudinal direction, that are each supported by a pair of journal boxes spaced apart from each other in the vehicle longitudinal direction among the journal boxes, and that support the crossbeam in such a manner as to be separably pressed by the pressing members from above; and elastic wall members that are disposed on both sides of the pressing members in the vehicle longitudinal direction and that are held in a compressed state between the bottom surface of the bogie frame and the top surfaces of the leaf springs.
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Inventors:
NARITA TOMOHIRO
ISOMURA KAZUO
ONO TAKAYA
ISOMURA KAZUO
ONO TAKAYA
Application Number:
PCT/JP2018/046571
Publication Date:
July 04, 2019
Filing Date:
December 18, 2018
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B61F5/30; B61F5/00; B61F5/52
Foreign References:
| JP2017206059A | 2017-11-24 | |||
| JPH04119266U | 1992-10-26 | |||
| JPS5547950A | 1980-04-05 | |||
| JP2013082277A | 2013-05-09 | |||
| US6338300B1 | 2002-01-15 | |||
| US6305297B1 | 2001-10-23 |
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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