| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint structure for a telescopic shaft, ensuring looseness prevention between a modified sleeve and the shaft. SOLUTION: An annular spacer 4 of elastic material is laid between the outer periphery of the sleeve 1 and a tightening member 3 so that the tightening force of the tightening member 3 can equally work on the whole periphery of the sleeve 1. |
