Patent ID: 11904461
Assignee: MOTION DEVICE INC.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 6:
7. The payload transportation device of claim 1, wherein the lift-driving portion comprises a lift-driving unit (210) configured to generate a rotational force to vertically lift the loading plate,
wherein at least one pair of rotational shafts (226-1, 226-2) configured to transmit a rotational force of the lift-driving unit (210) to the components included in the lift-driving portion (200) provided in the second assembly (2) are provided in the first assembly (1), and
wherein a first coupler (227) configured to allow a position of the loading plate being lifted by the first assembly (1) to coincide with a position of the loading plate being lifted by the second assembly (2) and then to couple the pair of rotational shafts (226-1, 226-2) is connected between the pair of rotational shafts.