Powder and grain feeder

Abstract

A powder and grain feeder is formed by an outer cylinder and upper and lower inner cylinders sharing a center line, the upper portion of the outer cylinder and the upper inner cylinder being connected by an upper annular plate; the lower portion of the outer cylinder and the lower portion of the lower inner cylinder being connected by a lower annular plate; a material passage being formed below the outer periphery of a circular table closing the upper end of the lower inner cylinder; a material discharge gap being provided between the outer periphery of the table and the lower end of the upper inner cylinder; a plurality of rotating blades being provided on an erect rotation shaft protruding from the central portion of the table; the forward ends of the rotating blades being connected to the rotary ring arranged in the material passage; and a scraper for use in the material passage being provided on the rotary ring.

Dependencies are inferred from the claim text.