Patent ID: 6929463

Claim:
A rotary transfer device in a blow molding machine comprising; a base board mounted on a machine base, and a supporting board disposed above the base board side by side with a working space between the base board and the supporting board, the supporting board having a hole part disposed therethrough at the center; a transfer member disposed on an undersurface of the support board facing the working space; a driving apparatus disposed on. an upper surface of the supporting board, the driving apparatus comprising a servo motor comprising a rotary part connected to a rotary shaft, the rotary shaft inserted through the center of the supporting board, and a stator fixed inside of the rotary part, the rotary part having a large diameter; the transfer member integrally connected to a bottom end of the rotary shaft to be rotated with the rotary shaft; the servo motor housed in a supporting base comprising a cylindrical base part and a ceiling part, the cylindrical base part disposed on a peripheral upper surface of the hole part of the supporting board; the servo motor mounted on the supporting board by connecting the stator to the ceiling part by a joint; the rotary part of the servo motor directly mounted on the top end of the rotary shaft supported on a bearing through the hole part at the center of the supporting board; and the transfer member rotatable directly by the rotary part of the servo motor.