Electrically-operated extending and contracting antenna for running automobiles

Claim 1

An electrically-operated extending and contracting antenna for running vehicles comprising: a motor having a driving shaft, a supporting means having a cylindrical portion whose inner surface extends in face-to-face relationship with the outer periphery of said motor for fixedly supporting said motor therein, a cylindrical toothed wheel having a cylindrical portion extending around and rotatably supported on the outer periphery of said cylindrical portion of said supporting means and a toothed portion provided at one end of said cylindrical portion of said wheel, a first spur gear mounted on the end of said driving shaft, a train of spur gears rotatably supported on said supporting member and engaged in power-transmittable relationship between said first spur gear and said toothed portion of said cylindrical toothed wheel, a flexible wire having one end connected to an antenna element and another end fixed to a drum, drum means disposed around and fixed to said cylindrical portion of said cylindrical toothed wheel for rotation together with the same, and providing a surface upon which said flexible wire may be wound, said surface extending adjacent to said cylindrical portion of said cylindrical toothed wheel, and a drum cover fixed on said support means and adapted to enclose said motor and said drum means therein.