Patent 7677517 was granted and assigned to Murakami (crater) on March, 2010 by the United States Patent and Trademark Office.
A swivel stand of the present invention has a mechanism by which while equipment 1 such as a TV monitor or monitor camera is rotated manually, the rotation of the equipment 1 (TV monitor 1) is controlled such that a disc 4 fixed by a worm gear 8 slides on a pole 2 joined to the equipment, or by which while the equipment 1 is rotated by the motor 9, the rotation of the equipment 1 is controlled such that the disc 4 rotated by the worm gear 8 synchronizes the pole 2 joined to the equipment 1.