| 摘要 |
The present invention relates to a gripper unit of an overhead hoist transport comprising a base plate; a centering tool which is installed by mounting a bushing on the base plate and guided to the bushing by contacting a transferred object to be moved up and down; a first height detecting sensor which is installed on the upper side of the base plate and detects the height of the centering tool; a second height detecting sensor installed on the base plate to be placed on one side of the first height detecting sensor and detects the height of the centering tool; a handle which is installed on the bottom side of the base plate and grips the transferred object when the first height detecting sensor or the second height detecting sensor detects the centering tool. |
