| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna unit having a rod part capable of rotating and expanding and contracting, and a holding function of the rod part without impairing the operability of the rod part.SOLUTION: An antenna unit (2) having a rod part (14) capable of rotating and expanding and contracting includes a plurality of leaf springs (leaf spring parts 44) controlling the rotation of the rod part, and the rod part (14) or a supporting member (hinge shaft part 18) of the rod part includes a single or a plurality of recess(es) (groove part(s) 46) or protrusion(s) (mountain part(s) 66). The leaf springs are arranged such that when one of the leaf springs is fitted to the recess or matched with the protrusion, the other leaf springs are not fitted to the recesses or matched with the protrusions. |
