Rubbing plate of side bearer of railcar bogie and side bearer
AssigneesKawasaki Railcar Manufacturing Co., Ltd., Starlite Co., Ltd.
InventorsYasufumi Okumura, Yoshi Sato, Keiji Tada, Noriaki Shibita
Life of this patent
Estimating the term…
Abstract
A rubbing plate of a side bearer of a railcar bogie is a rubbing plate of a side bearer provided at the railcar bogie so as to slidably contact a slide member arranged above or under the side bearer. The rubbing plate includes a recess-projection provided on an opposing surface of the rubbing plate, the opposing surface being opposed to a sliding surface of the slide member.
Claims17
A rubbing plate for use with a side bearer of a railcar bogie, the side bearer being at the railcar bogie so as to slidably contact a slider above or under the side bearer, the rubbing plate comprising:
- an opposing surface opposed to a sliding surface of the slider, the opposing surface including grooves,
- wherein:
- the grooves extend in a direction in which the rubbing plate of the side bearer slides on the slider,
- the rubbing plate has a substantially cross shape in a plan view, and
- the substantially cross shaped rubbing plate has a longitudinal part extending along a car longitudinal direction and a crossing part extending along a car width direction, wherein the longitudinal part includes cutout portions at two corners of both ends thereof such that the longitudinal part is tapered, in the car width direction, toward an outside side of the longitudinal part.
A side bearer of a railcar bogie, the side bearer for use with the railcar bogie so as to slidably contact a slider arranged above or under the side bearer, the side bearer comprising:
- a rubbing plate;
- and
- a rubbing plate receiver for fixing to the railcar bogie and directly accommodating the rubbing plate,
- wherein the rubbing plate includes:
- an opposing surface opposed to a sliding surface of the slider, the opposing surface including recesses including through holes or indents,
- the rubbing plate has a substantially cross shape in a plan view, and
- the substantially cross shaped rubbing plate has a longitudinal part extending along a car longitudinal direction and a crossing part extending along a car width direction, wherein the longitudinal part includes cutout portions at two corners of both ends thereof such that the longitudinal part is tapered, in the car width direction, toward an outside side of the longitudinal part.
A railcar bogie, comprising:
- a bolster to support a car body;
- a bogie frame;
- a sliding unit, slidably disposed between the bolster and the bogie frame, the sliding unit including:
- a slider;
- and
- a side bearer to slidably contact the slider, the side bearer including:
- a rubbing plate;
- a rubbing plate receiver for fixing to accommodate the rubbing plate, the rubbing plate includes an opposing surface opposed to a sliding surface of the slider, the opposing surface including grooves,
- wherein:
- the grooves extend in a direction in which the rubbing plate of the side bearer slides on the slider,
- the rubbing plate has a substantially cross shape in a plan view, and
- the substantially cross shaped rubbing plate has a longitudinal part extending along a car longitudinal direction and a crossing part extending along a car width direction, wherein the longitudinal part includes cutout portions at two corners of both ends thereof such that the longitudinal part is tapered, in the car width direction, toward an outside side of the longitudinal part.
Dependencies are inferred from the claim text.