WHEEL ASSEMBLY FOR MOVING ROBOT

摘要

PURPOSE: A wheel assembly of a movable robot is provided to maintain all wheels in contact with a traveling surface. CONSTITUTION: A gear box(110) comprises a driving gear and a driven gear inside. The gear box rotates back and forth from a robot body. The gear box comprises a first fixing unit. A wheel(120) moves up and down from the robot body when the gear box rotates. One end of a pulling member is fixed to the first fixing unit. The other end of the pulling member is fixed to a second fixing unit.