Seal structure of the powder feeding for eccentric rotation of the powder feeding apparatus

摘要

(57) [summary] [purpose] and the axis passing through the central opening of the rotating body, providing a structure in which the object is a space to seal to prevent ingress of between the opening periphery of the rotating body center. [Configuration] The opening 10 provided in a central portion of the rotary supply board 5, is allowed to penetrate the rotating shaft 3 in the position eccentric from the rotation center of the rotary supply board 5 within the same openings 10, fitting inserted and rotated supplied to the rotating shaft 3 intermediate 11 which fitted with the opening 10 of the board 5 formed, attach the seal cover 12 to seal the opening 10 in the intermediate 11.