Patent ID: 9745178
Date: 2017-08-29
CPC Classifications: B66C,B66D,E02F,Y10T

Claim:
1. A working machine comprising: a base machine; at least one device to be maintained which is installed to the base machine and has a top surface; and a winch including a winch drum which is driven to wind an operation rope and a winch frame on which the winch drum is disposed, a winch support shaft which supports the winch in such a way as to allow the winch to pivot about the winch support shaft, with respect to the base machine, between a use position at which the winch is used while being disposed over the top surface and closing at least a part of a maintenance space for a maintenance operation, which maintenance space is defined over the top surface, and a maintenance position at which the winch is apart from the top surface and opens the maintenance space upward to thereby enable the maintenance operation to be performed; and a lock member removably attachable to the winch and the base machine for keeping the winch at the use position by fixing a portion of the winch frame of the winch located at the use position to the base machine, the portion being fixed by the lock member being spaced rearward of the winch support shaft and under the winch drum.