To provide a load supporting device for a heavily equipped-cab simply and easily fastenable without disassembling a car body frame even if the car body frame has closed structure and capable of eliminating a possibility of breakage of a fastening part an external impact.
This load supporting device for a heavily equipped-cab is provided with a fastening boss in a lower surface of the car body frame in advance, and structured so that the load supporting device to be screw-connected to the fastening boss is fastened from a bottom frame side of the operation chamber to a bottom plate side thereof. The load supporting device for a heavily equipped-cab is formed of the car body frame installed in a lower travelling body, the operation chamber loaded on the car body frame, a vibration absorbing device for elastically supporting the operation chamber provided between the car body frame and the bottom frame, and the load supporting device possible fastened from the bottom frame side of the operation chamber to the car body frame side after assembling the car body frame and the cab.
Hideo Shimizu
Yuichi Takagi
Yoshinao Nakano
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