Patent ID: 6131794
Filing Date: 2000-10-17
Classification: B23K,Y10T

Abstract:
A blade device for shaving or shearing material from a surface, comprising an elongated member adapted to be displaced over said surface in predetermined directions and orientations, a leading end of said elongated member forming a shaving tip portion for shaving material from said surface, said blade tip portion having a wedge-shaped cross-section forming a thin leading edge extending transversely of the longitudinal extent of said elongated member, and vacuum suctioning means integral with said blade device for suctioning material debris from said surface concurrently with said shaving tip portion shaving said material from said surface, said vacuum suctioning means comprising a passageway formed in said elongated member, said passageway having a first end terminating proximate said blade tip portion and an opposite end communicating with a bore formed in said elongated member for connection with a source of vacuum, said passageway having an elongated cross-section across a substantial portion of the width of said elongated member, the upper surface of said wedge-shaped leading edge having a setback upstanding wall at a rearward end thereof, said first end of said passageway terminating in said upstanding wall.