The subject innovation relates groups lug mounting, wheel 11 is provided with a vehicle body 10, a seat 20 having a plurality of supply-side hydraulic line 21 is located on the rear portion of the vehicle body 10 to the bottom surface, the If along the upstanding upright bracket 30 and the upright bracket 30 which is disposed in front of the vehicle body 10 is elevated up and down elevator having a plurality of the vertical side hydraulic line 41 which is connected to the supply-side hydraulic line 21 in groups lug mounting is configured to include a unit 40, is in the supply side is equipped configuration hydraulic line 21 and the lifting-side line to arrange the hydraulic line 41 to be connected to each other arranged parts (60).
Thus, by providing parts of the line arranged to be connected to each other by aligning a plurality of the vertical-side hydraulic line is disposed in the plural supply-side hydraulic line and the lifting provided on the driver's seat on the lifting unit, and by default, quick line connection between each other, as easily it is made to be able to improve the workability, and, as is also neatly organized by such a line aligned to obtain the effects of being able to provide miryeoham Cosmetic.