Patent ID: 6217275
Filing Date: 2001-04-17
Classification: B65G,B65H

Abstract:
A pickup apparatus disposed together with an identification unit which detects a defect of a bar-shaped board member along a line on which a tray having a number of bar-shaped board members alongside one another is carried, the pickup apparatus comprising:a rail member adapted to extend across the line;a pair of pincer members disposed movably along said rail member and biased in a direction in which said pair of pincer members are closed;an expandable bag member which expands upon filling with an operating medium; andsaid bag member being interposed between said pair of pincer members such that when said bag member is filled with the operating medium, said bag member expands and urges said pair of pincer members apart to an open position and when the operating medium is discharged from said bag member, said bag member contracts and said pair of pincer members close and enable said pair of pincer members to clamp one of the bar-shaped board members therebetween;whereby a bar-shaped board member with a defect as determined by the identification unit is clamped by said pair of pincer members and then evacuated from the tray and transferred outside the line.