Patent ID: 6644895
Filing Date: 2003-11-11
Classification: D01G,E04F,Y02W

Abstract:
An airlock feeder mountable in an apparatus between a hopper having an outlet adapted for discharging a material to said feeder, and a surface, said feeder adapted to pneumatically discharge said material, comprising:a housing defining a cylindrical chamber provided with first and second inlets and an outlet and a rotor mounted in said chamber and defining with said chamber a plurality of circumferentially spaced pockets each of said pockets functional to receive said material when registered with said first inlet and have said received material ejected through said outlet by air under pressure injected through said second inlet, when registered with said second inlet and said outlet; and means for displacing said housing between a first position in which said housing inlet is registered with said hopper outlet for receiving said material and a second position.