Patent ID: 11926513
Assignee: HUVITZ CO., LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 1:
2. The up-and-down driving device of claim 1, wherein the driving means comprises:
a drive motor (101) configured to be supplied with electric power and to rotate;
a power transmission means (104), (107), and (115) configured to transmit power from the drive motor (101);
a rotary drive shaft (145) configured to receive the power from the drive motor (101) via the power transmission means (104), (107), and (115) and to rotate; and
a cylindrical guider (141) mounted to the up-and-down driving unit (150), screw-coupled with the rotary drive shaft (145), and configured to move up and down according to a rotation of the rotary drive shaft (145).