Patent GB-869913-A (GB)
Title: Apparatus for mounting films and other inserts in cards
IPC: G06K13/103
Filed: 1958-02-14
Abstract: 869,913. Mounting pictures. MINNESOTA MINING & MANUFACTURING CO. Feb. 14, 1958 [March 28, .1957; March 29, 1957], No. 4863/58. Class 11 and 73. [Also in Group XVI]  Apparatus for operating on cards each having an aperture therein, an adhesive sheet secured over the aperture at one face of the card, and a protective cover sheet within. the aperture and removably adhering to the adhesive sheet, includes a cover sheet stripping mechanism for removing the cover sheet from the card. Each card 5, Figs. 2 and 3, comprises single ply cardboard or stiff paper having an aperture 6 covered by a transparent sheet 7 coated with adhesive on its inner surface and embedded in a recess in the face of the card, and having four holes 8, and a thin protective cover sheet 9 of glassine paper removably adhering to the sheet 7. The cards are fed in turn from a card feeder 14, Fig. 1, (see Group XVI) to a card conveyer 15 (see Group XVI), and thereby first to a cover sheet stripping mechanism 16 where the sheet 9 is removed, then to a die mechanism 17 which cuts out the central portion of the sheet 7 including the holes 8 so as to leave only a margin of exposed adhesive round the aperture 6 (see Specification 869,914 Group VIII), and finally to a mounting station. Micro-film or other insert strip is taken from a supply roll by an unwinding mechanism 18 (see Group XVI), and passed by a feed mechanism 19 (see Group XVI) to a mechanism 20, where individual film frames or sections are cut from the film (see Specification 869,914 Group VIII), and the cut-off sections are inserted into the apertures 6 to adhere to the adhesive sheets 7. The completed cards, each containing a representative visible image of recorded data, are then delivered and stacked by mechanism 21 (see Group XVI). The machine is driven by an electric motor 25 or by a handle 41 through a magnetic clutch 38 and a main cam shaft 50, which rotates once for. each machine cycle. The stripping mechanism 16, Figs. 1 and 16, comprises two pins 302, Figs. 16, 23 and 24, on an arm 298 oscillated once every cycle by a cam, the pins passing through the leading holes 8 and forcing down the corners of the sheet 9 as shown at 9a. Gripper jaws 321 for clamping the sheet corners 9a against surface 320 are carried on a gripper body 305 carrying a pin 327 engaging a cam groove 328 in a segmental member 329. By cam action from the shaft 50, the member 329 is rocked clockwise in Figs. 16 and 23, so as to close the jaws, whereafter the member 329 and body 305 are rocked together to strip the sheet 9 clear of the card 5 as the latter is being fed from the mechanism 16 to the mechanism 17. The member 329 is then rocked back to open the jaws, then the member 329 and body 305 to their original positions. An electrically conductive backing member 345 supports the sheet 9 while being separated. A feeler finger 360 and the member 345 form contacts in an electric circuit arranged to stop the machine if no sheet 9 is stripped. In the cutting and mounting mechanism 20, Figs. 1 and 39, the film frames having been severed from the film (see Specification 869,914 Group VIII) are each held on a perforated plate 839 of a head 838 by suction. By the action of cams on a shaft 807-driven from the shaft 50, the head 838 is lowered, moved to the left in Fig. 39, and raised to deposit the film in the aperture 6 in the card 5b, an anvil 923 being,' moved downwards against the card as the head is moved upwards. The suction in the head 838 is cut off. as the film is mounted, by a cam acting on a valve in the suction line. If there is no cut-off film held on the plate 839, no suction will be built up in the head 838, and a plunger 909 will remain projecting from the head, and will engage a lip 912 to close a switch and stop the machine.