Title:
RAILWAY VEHICLE TRUCK
Document Type and Number:
WIPO Patent Application WO/2014/174787
Kind Code:
A1
Abstract:
This railway vehicle truck (1) is provided with: a truck frame (4) having a cross beam (5) extending in the direction of vehicle width and a leaf spring (30) extending in the direction of vehicle length in the state of supporting both ends in the direction of vehicle width of the cross beam (5), the truck frame (4) being able to rotate in the yawing direction with respect to the vehicle body; a vehicle shaft (6) disposed along the direction of vehicle width; a bearing (8) that is provided to both sides in the direction of vehicle width of the vehicle shaft (6) and that rotatably supports the vehicle shaft (6); a shaft box (9) that houses the bearing (8) and supports the leaf spring (30) from below; and a rubbing plate (37) provided to the top surface of the truck frame (4) in order to slidably contact a rubbed plate (23) provided to the bottom surface of a bolster (3). The rubbing plate (37) is disposed in a manner so as to be contained within the region (A1) at which the cross beam (5) and the leaf spring (30) intersect in a plan view, and is disposed on the center line (C1) extending in the direction of vehicle length of the leaf spring (30).
Inventors:
NISHIMURA TAKEHIRO
NAKAO SHUNICHI
NAKAO SHUNICHI
Application Number:
PCT/JP2014/002103
Publication Date:
October 30, 2014
Filing Date:
April 14, 2014
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B61F5/30; B61F5/14; B61F5/52
Foreign References:
| JPS318411B | ||||
| US6305297B1 | 2001-10-23 | |||
| US6338300B1 | 2002-01-15 | |||
| US4082043A | 1978-04-04 |
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
Patent business corporation Owner old patent firm (JP)
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