CARGO LOADING/UNLOADING OPERATION DEVICE

PROBLEM TO BE SOLVED: To enhance working efficiency by operating a cargo loading/unloading device from not only a vehicle body side but also the cargo loading/unloading device side, in a cargo loading/unloading operation device applied to a cargo loading/unloading vehicle such as a reach type forklift, etc. equipped with an attachment. SOLUTION: This cargo loading/unloading operation device is constituted of the vehicle body 2, an elevating device 3, the cargo loading/unloading device 4, a hydraulic actuator 5, a vehicle body side valve 6, a cargo loading/unloading device side valve 7, a starting valve 8 and a lock device 9. Especially, the cargo loading/unloading operation device is provided with the cargo loading/unloading device side valve 7 provided on the cargo loading/unloading device 4 side to supply and discharge pressure oil to/from the hydraulic actuator 5, the starting valve 8 provided in the vehicle body 2 to supply and discharge pressure oil from a pump 24 to/from the cargo loading/unloading device side valve 7, and the lock device 9 capable of stopping supply and discharge of the pressure oil from the pump 24 to/from the cargo loading/unloading device side valve 7 when the starting valve 8 is neutral, allowing an operation of the vehicle body side valve 6, allowing supply and discharge of the pressure oil from the pump 24 to/from the cargo loading/unloading device side valve 7 when the starting valve 8 is operated and holding the vehicle body side valve 6 at a neutral position. COPYRIGHT: (C)2010,JPO&INPIT