Abstract: An apparatus for taking out printed circuit boards, comprises a pin extracting device for extracting a plurality of pins erectly provided on a workpiece including printed circuit boards and a lower plate both of which are laminated, a reversing device for reversing the workpiece, a lower plate discharging device for discharging the lower plate from the workpiece, and a printed circuit board recovering device for recovering the printed circuit boards. The apparatus is capable of automatically taking out the printed circuit boards from the workpiece discharged from a perforator.

Abstract: A board exchanging apparatus comprising a first transfer device for transferring boards along a transferring path connecting a processing device and a feeder between the feeder and the transferring path, a second transfer device for moving a liftable board holding member along the transferring path and conveying the boards, a waiting device including liftable comb-like holding members superimposed in top and bottom relation and disposed at a location opposite to the processing device, a third transfer device for transferring the boards between the processing device and the waiting device, and a delivery device provded in the processing device.