Plate spring cover and railcar bogie including plate spring cover
AssigneeKawasaki Jukogyo Kabushiki Kaisha
InventorsTakehiro Nishimura, Shunichi Nakao, Yasufumi Okumura, Shintaro Ando
Life of this patent
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AssigneeKawasaki Jukogyo Kabushiki Kaisha
InventorsTakehiro Nishimura, Shunichi Nakao, Yasufumi Okumura, Shintaro Ando
Estimating the term…
Bogie includes: cross beam supporting carbody of railcar; wheels provided at each of both car width direction sides of bogie to be lined up in car longitudinal direction; front and rear axles each connecting wheels positioned at respective left and right car width direction sides of bogie to each other; bearings provided at both respective car width direction sides of front and rear axles and rotatably supporting front and rear axles; axle boxes accommodating respective bearings; plate springs of fiber-reinforced resin and extending in car longitudinal direction support both respective car width direction end portions of cross beam, both car longitudinal direction end portions of plate springs supported by respective axle boxes; electrically nonconductive buffer members each interposed between plate spring and axle box; electrically nonconductive contacting members each interposed between plate spring and cross beam; and plate spring cover covering part of plate spring and electrically connected to wheel.
A railcar bogie comprising:
An electrically conductive plate spring cover applicable to a railcar bogie, the railcar bogie including a cross beam supporting a carbody of a railcar, wheels provided at each of both car width direction sides of the railcar bogie so as to be lined up in a car longitudinal direction, front and rear axles each extending in a car width direction and each connecting the wheels positioned at respective left and right car width direction sides of the railcar bogie to each other, the front and rear axles being provided at respective front and rear car longitudinal direction sides of the cross beam with the cross beam interposed between the front and rear axles, bearings provided at both respective car width direction sides of each of the front and rear axles and rotatably supporting the front and rear axles, axle boxes accommodating the respective bearings, plate springs made of fiber-reinforced resin and extending in the car longitudinal direction so as to support both respective car width direction end portions of the cross beam, both car longitudinal direction end portions of each of the plate springs being supported by the respective axle boxes, electrically nonconductive buffer members each interposed between the plate spring and the axle box, and electrically nonconductive contacting members each interposed between the plate spring and the cross beam,
Dependencies are inferred from the claim text.