Patent ID: 6853340

Claim:
An antenna for an automobile comprising: an antenna terminal including a tubular metal terminal body, and a connector threadedly joined with the tubular metal terminal body, the connector having a solid spherical coupling portion and a shank extending from the periphery of the solid spherical coupling portion; a mounting base including a holder shell and a metal ball socket, said metal ball socket being received and secured within the holder shell and further being hollow so as to hold the solid spherical coupling portion of the antenna terminal, an opening being formed through the metal ball socket so that the antenna terminal is received by said opening and extends out of the holder shell, a metal block being fixedly arranged at a bottom of the holder shell and being adapted for adhesion to an outer surface of a windshield of an automobile; a metal spring for holding the solid spherical coupling portion of the antenna terminal in position, said metal spring simultaneously abutting both the metal block and a bearing member in direct contact with the solid spherical coupling portion of the antenna terminal; and, a transmission box disposed inside the automobile opposite the mounting base, the transmission box including a metal plate built in a circuit board that disposes in the transmission box and adheres to an inner surface of the windshield of the automobile, a transmission line electrically extending from the metal plate for connection to a wireless communication system inside the automobile.