Patent ID: 6450372
Filing Date: 2002-09-17
Classification: B65G

Abstract:
A rotary powder dispenser disposable between a top inlet pipe and at least two bottom outlet pipes, said dispenser comprising:a casing having a top and a bottom, and being adapted to connect at said top to a powder inlet through which a flow of powder is received, and also adapted to connect at said bottom to at least one powder outlet through which said flow is delivered, said casing having an outside face and including a shell and a removable base; a rotary plug disposed in said casing, said plug having a generally cylindrical shape defining an axis, said plug having a bottom face and an upper face, and being rotatable about said axis, said plug further including an internal duct that slopes relative to said axis for allowing said powder to flow therethrough under gravity, said rotary plug also having a ring of gear teeth and a cam; a worm screw adapted to engage with said ring of gear teeth to rotate said plug; at least one pusher external to said plug adapted to engage with said cam and having, indicia thereon corresponding to the rotational position of said plug, whereby the exact rotational position of said plain may be determined by external observation of said indicia; and at least one sealing system disposed between said plug and said casing to prevent leakage of said powder from said casing.