PURPOSE: To make it easy to shift a working truck by placing an auxiliary working bench on the working bench of a truck frame, and providing an auxiliary wheel in such a manner that the wheel can be accomodated in the auxiliary working bench, and rotating the auxiliary wheel about a connecting rod detachably connected to the wheel so as to extend the auxiliary wheel
CONSTITUTION: A working bench 7 is provided on a truck frame 5 which can travel and which is provided with wheels 3 and an auxiliary working bench 9 is placed on the working bench 7. An auxiliary wheel 43 formed by an arm 45 pivotally attached to the side face of the auxiliary working bench 9 and a caster 47 attached to the end of the arm 45 is disposed in such a manner that the auxiliary wheel 43 can be accomodated in the auxiliary working bench 9. When the auxiliary working bench 9 is in use the arm 45 of the auxiliary wheel 43 is oscillated downward and the caster 47 is grounded and the auxiliary working bench 9 is stably supported by a lock mechanism. The auxiliary working bench 9 can thus be made compact when not in use.
MORIMOTO SHOICHI
MIYAMOTO HITOSHI
WATABE YUKIHIRO
