Importance

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Abstract

An electric extensible car antenna including an antenna element support cylinder detachably mounted to a cylindrical support member of an antenna attachment base from the outside of a car body; a single small-diameter rod antenna element inserted in an antenna element insertion hole of the support cylinder so as to be in contact with a conductive contact element; the proximal part of the antenna element led toward the proximal end of the support cylinder being guided in a direction by an antenna element guiding tube; and an antenna element extended and retracted by a rack-equipped flexible rope connected to the antenna element via an electric mechanism. It is desirable that the antenna element be made of an ultra-flexible material and that the support cylinder is made of a plurality of separate cylindrical units. Thus, the antenna has a very small risk of becoming damaged, has a simple construction, allows easy manufacturing, allows stable attachment of the antenna element, is highly compatible in terms of components, allows storage of the long antenna element in a small space inside the car body without failure and allows the antenna element to be automatically extended and retracted by the electric mechanism.

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First Claim