According to an embodiment, a carrier with retractable wheels comprises a main body including a storage space and an inlet hole formed in a bottom to be open or closed by a sliding plate and a moving unit having a body pivotably provided in the inlet hole and a wheel attached to an end of the body. When the inlet hole is closed by the sliding plate, the moving unit is pivoted up, the wheel is supported by the sliding plate to be positioned inside the inlet hole and, when the inlet hole is open, the moving unit is pivoted down to stick out of the inlet hole.
Carrier with retractable wheels
2022-06-14
Patent
Electronic Resource
English