Vibratory Finishing Device

Author:  Raymond M. Leliaert
Source:  US Patent 4,018,009
Doc ID:  1977019
Year of Publication:  1977
Abstract:  
A finishing device in the form of an annular bowl adapted to house media and parts to be finished and means for imparting vibratory energy to the bowl to cause the media and parts to progress in agitated movement about the bowl, means for unloading the parts without removal of media from the bowl in which use is made of barriers introduced to extend angularly into the bowl with the barriers spaced one from the other across the bowl by an amount greater than the maximum cross-section of the media but less than the cross-section of the parts whereby the parts are retained by the barriers and caused to travel up the inclined barriers while the media continues thrugh the barrier for continued excursion about the bowl.