A caster device includes a caster wheel configured to rotate around a horizontal rotation axis; and a case configured to expose a lower surface of the caster wheel, cover the caster wheel and have an inclined surface from a top of the horizontal rotation axis toward a bottom of the horizontal rotation axis.
CASTER DEVICE, ROBOT HAVING THE SAME, AND METHOD FOR DRIVING ROBOT
2021-03-04
Patent
Electronic Resource
English
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