Patent ID: 11946555
Assignee: ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 12:
13. The nut assembly of claim 7, wherein an out wall of the first end of the nut base is provided with a recessing groove and a third limiting groove, the recessing groove and the third limiting groove are disposed at intervals, and a third limiting protrusion is disposed on the inner wall of the limiting element;
when the limiting element is in the initial state the third limiting protrusion is disposed corresponding to the recessing groove;
when the limiting element is in the limiting state, the third limiting protrusion moves from the recessing groove into the third limiting groove, and the third limiting protrusion cooperates with the third limiting groove to limit rotation of the limiting element.