To move only a wheel, so that a gage can be changed, without an outside attachment such as increasing a diameter of an axle and weight, in a gage changing bogie.
A gage changing bogie having a wheel moved to a gage changing position C1, C2 by receiving external guide force in a gage changing interval (B3) has an operating rod 15 inserted to an axle 5 from an end part to a corresponding part to a fitting together region of a wheel 12 to be moved to a necessary position by receiving external guide force in the gage changing interval (B3), lock mechanism 17 provided in a fitting together region to the wheel 12 of the axle 5 to lock the wheel 12 to the gage changing position C1, C2 by moving the operating rod 15 in the gage changing interval (B3) to be operated so as to unlock this lock, and a guided part 31 receiving an external, guide in the gage changing interval (B3) to float the wheel 12 from a track to advance a vehicle.
IKEDA KAZUYA
OZAWA MASAHITO
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