To provide a vehicle body frame structure capable of opening and closing an opening end part side of a vehicle body frame constituted in substantially U-shape so as to open a rear side without performing lever operation in the vehicle body frame when viewed in a plan.
In the vehicle body frame in a lift device of floor running type which is provided with front wheels and rear wheels and is constituted in substantially U-shape whose rear side is opened when viewed in a plan, a pair of right and left frame pipes provided with rear wheels are turnably pivoted to a basic part frame provided with front wheels, respectively. Furthermore, the frame pipe on the other side turns in the interlocking relationship with the turn of the frame pipe on one side.
TSUKAMURA YOSHIYUKI
KAWABATA HIDEKI
