Bearbeitungsvorrichtung fuer einzeln aufeinanderfolgende flache Gegenstaende

1315421 Cutting INTERNATIONAL BUSINESS MACHINES CORP 19 April 1971 [20 March 1970] 24006/71 Heading B4B [Also in Division B8] Apparatus for treating tabulating cards 10 &c., comprises a conveyer 12 having uniformly spaced grippers 11 for retaining a card edge, transport means 20 carrying uniformly spaced card receiving pockets 46, means for registering successive cards 10 carried by the conveyer 12 in successive pockets 46, a work station, Fig. 1, at which the grippers 11 and pockets 46 move at equal velocities and means 23 for performing an operation on successive cards 10 moving through the work station, e.g. to cut bevelled corners. Cards 10 enter the work station on the conveyer 12, trained around wheels 13, 14, each card 10 being engaged by the pocket 46 of a respective tool unit 23 as the unit 23 advances around a lower transport means supporting pulley 22. As each card 10 rises, a tail 11b of the respective gripper 11 engages a cam surface 16, releasing the leading edge of the card 10. Each tool unit 23 compromises blade members 33 pinned to supporting members 38, Fig. 8, and as the unit 23 rises with the card 10, rollers 36 of the members 38 engage a cam surface 41a to draw a cutting edge 33a of each member 33 across a spring-urged counter blade 31. Corners of the card 10, which project through bladeforming apertures 34 of the members 33, are thus sheared off. Beyond the cam surface 41a the members 38 are reset by a reset cam 54, the cards 10 being re-engaged for removal by the grippers 11 as the tails 11b advance beyond the cam surface 16.