Patent GB-190813436-A (GB)
Title: Machine for Fastening Hooks and Eyes on Cards.
Inventor: MILLS CLAUDE KENNEDY
Filed: 1908-06-24
Granted: 1909-06-24
Abstract: 13,436. Mills, C. K., [American Pin Co.]. June 24. Pattern cards.-Relates to machines for sewing hooks and eyes on cards, and more especially to means for feeding the hooks and eyes and causing them to engage each other and take their proper place on the card, for holding them down while being sewn to the card, for moving the card, for indicating a breakage in the thread, for finishing the form of the hooks after they are sewn on the card, and for cutting the cards apart after the hooks and eyes are sewn on. Fig. 3 shows a plan of the machine with the hook-and eye feed hoppers and shoots, the sewing-mechanism, and presser-feet removed. The eyes are placed in rotary conical hoppers such as are described in Specification No. 1318, A.D. 1909, from which they are fed singly to the apparatus shown in Fig. 29 and rest against the spring 74. Each eye is pushed in turn by the slide 70 into a position where it can be engaged by a hook brought up by the hook-feeding device, and the slide 70 returrs to make room for another eye. The hooks are placed in a shoot 55, Fig. 22, and released one by one by means of a slide 57 carrying a pin 56 and a bar 60. The released hook falls down the shoot 55 to the spring, and is then pushed by the bar 117, Fig. 13, into position to be seized by the jaws 111, 112, and carried, drawing the eye with it, into position to be seized by a spring- presser foot 21, Fig, 5. The jaws 111, 112 are provided with a recess to receive the eye, which is brushed into it by springs attached to a block 130. The jaws 111, 112 and bar 117 are operated by the mechanism shown in Fig. 15. The bar 117 is attached to a slide 105 operated by a cam 107. The jaws 111, 112 are pivoted to and moved longitudinally by the slide 96, which is operated by the rocking lever 94 and the cam-disk 104, and are opened and closed by projections on the surfaces of disks 102, 103 and by springs. The cam 107 is so formed that after the jaws 111, 112 have moved outwards the bar 117 moves up, and if no book has been supplied and the eye is consequently left in the feed-device the bar knocks it through the hole 133 out of the way of the next eye. Arrangements are described in which the eye may be held tightly in the feed-device to allow a "hump hook" to be passed through it and then released. The presser-foot 21 which brings the hooks and eyes into position for sewing is mounted in a slide 22, Fig. 5, on a second slide 23 actuated by cams 14, 15 on the main shaft 7, which impart to it movements for bringing the first pair of eyelet holes under the needles, holding the hook and eye for the first stitch, bringing the second pair of eyelets into position, and holding the hook and eye for the second stitch. To prevent the needles from lifting the card as they rise, a presser-foot 50 is held down by springs 53, until raised by the needle bar striking against collars 54. In order that the hooks may engage more easily with the eyes the bills are not bent quite down, and another presser-foot is also provided, actuated from the shaft 7, which flattens down the hooks after they are sewn on the card. The cards are placed on the machine against a stop 92, and are picked up one by one by a recessed roll 185 and another roll, and passed on by rolls 188, 195. These rolls are driven from the shaft 7 by the pawl-and-ratchet gear shown in Fig. 44, through the cam 166, which is actuated by a cam of such form that the pawl acts twice during one revolution of the shaft 7, so that the motions of the cards synchronize with the motions of the presser-foot 21. On the shaft 181, which carries the roll coacting with the roll 185, is a disk 202 provided with teeth engaging with a screw 204 on a yoke 203 which operates the slides of the hook-and-eye feeding-devices. The disk 202 is formed with twelve teeth and a gap of the width of two teeth, so that twelve hooks and twelve eyes are fed to the machine, which then takes two closing stitches and then two more idle stitches for beginning the work on the next card. Fig. 38 shows an alarm device in case the thread breaks or a stitch is dropped. The thread passes over tension bobbins 150 and through eyes 153, between which it passes through an eye on the pivoted arm 156. When the thread breaks or slacks, the arm 156 falls and makes an electric contact with the block 159, whereby an alarm is given or the machine stopped. The cards on leaving the machine are connected by the threads and are cut apart by a knife actuated at proper intervals by a cam-disk driven from the shaft 7 by pawl-and-ratchet gear.