Patent ID: 6293538
Filing Date: 2001-09-25
Classification: B65H,Y10S

Abstract:
A magnetic sheet fanner construction comprising a housing having walls defining a chamber; a piston; means mounting said piston in said chamber for movements in opposite directions from a first position in which one side of said piston confronts and is adjacent one wall of said housing to a second position in which said piston is remote from said one wall; at least one permanent magnet carried by said piston at said one side thereof; a source of pressure fluid; means for delivering pressure fluid from said source into said chamber at a selected side of said piston and exhausting pressure fluid from said chamber at the opposite side of said piston; and valve means for controlling the delivery and exhaust of said pressure fluid to and from said chamber in such manner as to effect conjoint movement of said piston and said magnet in a selected one of either of said directions.