Patent ID: 6202523
Filing Date: 2001-03-20
Classification: B23B,Y10T

Abstract:
A device for effecting at least one of a loading and unloading operation of a workpiece with respect to a machine tool, the device comprising:a base adapted to be mounted adjacent said machine tool;a tubular member mounted on said base having a longitudinal axis and an inner chamber, said tubular member further having an elongate opening communicating with the inner chamber for receiving the workpiece, said inner chamber having one end adapted to communicate with a spindle of said machine tool;a sealing member mounted for movement relative to said tubular member between a first position at a first distance from said longitudinal axis facilitating sealing engagement around said elongate opening and a second position spaced a second distance from said longitudinal axis, wherein said second distance is substantially larger than said first distance to allow access to said elongate opening and transfer of the workpiece through said elongate opening; anda source of pressurized air communicating with said chamber for moving the workpiece in at least one direction within said chamber when said sealing member is in said first position.