Housing structure and object using the same

A housing structure comprising:

• a housing including a top portion and a bottom portion with at least a side portion surrounded by a plane;
• a plurality of movable supporting means that are provided on the bottom portion of the housing, for supporting the housing via a plurality of wheels capable of moving the housing, two wheels of the plurality of wheels being positioned on a side of the housing opposite to a predetermined advancing direction of the housing, being separated from each other in a width direction intersecting the predetermined advancing direction, and providing pivot points when the housing is tilted;
• grip means provided on the top portion or at an upper half portion of the side portion of the housing and being capable of being gripped with a hand of an operator when the housing is tilted;
• and
• footstep means that is provided at the bottom portion of the housing between two movable supporting means located on the side opposite to the predetermined advancing direction of the housing and on which a foot of the operator is able to be hooked when the housing is tilted,
• wherein the footstep means is arranged on an advancing direction side of the housing with respect to center positions of diameters of wheels of the two movable supporting means as a boundary and no portion of the footstep means is arranged rearward of the center positions of diameters of wheels of the two movable supporting means relative to the predetermined advancing direction.