CPC B60P 1/4421 (2013.01) [B60P 3/007 (2013.01)] | 20 Claims |
1. A mobile object comprising:
a frame part having an internal space;
a wheel part coupled to a first side of the frame part and comprising a wheel;
movable modules coupled to a second side of the frame part and configured to be movable in a vertical direction relative to the frame part; and
a door module coupled to a first side of the movable modules, the door module being rotatable relative to the movable modules in a direction toward the internal space or a direction away from the internal space;
wherein each of the movable modules comprises:
a first coupling member fixedly coupled to the frame part;
a rail part slidably coupled to the first coupling member;
a second coupling member slidably coupled to the rail part; and
a movable belt member surrounding the rail part and having a first side coupled to the first coupling member and a second side coupled to the second coupling member.
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