Handrail for railroad vehicle and method for changing natural frequency of said handrail
AssigneeKawasaki Railcar Manufacturing Co., Ltd.
InventorsTakahiro Kawashima, Yu Yamamoto, Satoru Akiyama, Hiroshi Enomoto
Life of this patent
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Abstract
A handrail for a railroad vehicle is disposed in a cabin of a vehicle body of the railroad vehicle. The handrail includes a handrail body whose inside serves as a filling space and a filler having fluidity and filling the filling space. The handrail body includes an opening to be used in supplying the filler to the filling space and a plug that opens and closes the opening.
Claims5
A handrail for a railroad vehicle, the handrail being disposed in a cabin of a vehicle body of the railroad vehicle, the handrail comprising:
- a hollow member whose inside serves as a filling space;
- and
- a filler having fluidity and filling the filling space, wherein
- the hollow member includes
- at least one of an opening to be used in supplying the filler to the filling space to change a filling amount in the filling space or an opening to be used in removing the filler from the filling space to change the filling amount in the filling space, and
- a plug that opens and closes the opening.
A method for changing a natural frequency of a handrail for a railroad vehicle, the handrail being disposed in a cabin of a vehicle body of the railroad vehicle, the handrail including a hollow member whose inside serves as a filling space, the hollow member includes an opening that allows the filling space to communicate with outside, and a plug that opens and closes the opening, the method comprising:
- opening the opening;
- supplying a filler to the filling space through the opening or removing a filler filling the filling space through the opening;
- and
- closing the opening.
Dependencies are inferred from the claim text.