Patent ID: 7973735

Claim:
An extendable swivel antenna comprising: a power feeding unit electrically connected to a terminal; an antenna unit for transmitting radio waves received from the outside to the power feeding unit the antenna unit being folded in multiple stages to be extendable and retractable; and a hinge unit for connecting between the power feeding unit and the antenna unit and for swiveling the antenna unit , wherein the hinge unit comprises: an insertion portion connected to the antenna unit; a recess portion connected to the power feeding unit and having a step portion in which diameters of one side and the other side are different from each other; and a hinge pin for fixing the an insertion portion and the recess portion, the antenna unit comprises: a whip antenna fixed to the insertion portion; and one or more road antennas configured to be folded about the whip antenna and one side of the recess portion whose internal diameter is smaller than that of the other side of the recess portion is housed in the outermost road antenna of the folding one or more road antennas.