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公开(公告)号：US11584402B2
公开(公告)日：2023-02-21
申请号：US16910302
申请日：2020-06-24
发明人： Tomohiro Narita , Kazuo Isomura , Takaya Ono
摘要： A railcar bogie includes a bogie frame including a cross beam and supports, the supports disposed at respective car width direction end portions of the cross beam. There are a plurality of axle boxes to accommodate a plurality of bearings supporting a pair of axles, a plate spring extending in a car longitudinal direction and supported by a pair of the axle boxes which are away from each other in the car longitudinal direction among the plurality of axle boxes. The plate spring supports the cross beam while being pressed by the corresponding support from above such that the pressing member is separable from the plate spring. Elastic walls are at both respective sides of the supports in the car longitudinal direction and sandwiched between a lower surface of the bogie frame and an upper surface of the plate spring so as to be compressed.
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