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

Claim 0:
1. A payload transportation device comprising:
a loading plate (110) above which a payload is loaded;
a lift-driving portion (200) configured to generate a driving force to vertically lift the loading plate;
a first assembly (1) configured to support a bottom of one side of the loading plate and in which some components included in the lift-driving portion (200) are provided;
a second assembly (2) configured to support a bottom of the other side of the loading plate and in which other components included in the lift-driving portion (200) are provided;
hinge portions (3a, 3b) configured to connect the first assembly (1) to the second assembly (2) in a hinge structure;
at least a pair of driving wheels (341, 342) coupled to both sides of a bottom of any one of the first assembly (1) and the second assembly (2); and
a driving unit configured to rotate the driving wheels (341, 342),
wherein a first assembly housing configured to support the some components included in the lift-driving portion (200) is provided in the first assembly (1),
wherein a second assembly housing configured to support the other components included in the lift-driving portion (200) is provided in the second assembly (2), and
wherein the hinge portions (3a, 3b) hinge-connect the first assembly housing to the second assembly housing to be relatively rotatable.