Patent GB-1070004-A (GB)
Title: Improvements in or relating to fastener inserting machines
Inventor: MUSCOVITCH MORRIS TIMOTHY
IPC: H05K13/04
Filed: 1962-12-11
Abstract: 1,070,004. Eyeletting. BRITISH UNITED SHOE MACHINERY CO. Ltd. Dec. 10, 1963, [Dee. 11, 1962], No. 46710/62. Heading B3U. The Specification relates to a fastener inserting machine adapted for setting double-ended tagged eyelets, which is a modification of the machine described in Specification 1,018,591 and which comprises a reciprocable die-holder, a support arranged to hold a tagged eyelet in the path of the reciprocable die-holder and providing a restricted passage through which a tagged eyelet is pushed tail first, so that the tags will be bent away from the tail-end of the eyelet barrel feeding means whereby tagged eyelets are fed one by one to the restricted passage of the fastener support and means to transfer the eyelets to the fastener support. In the machine a shaft 40, driven through a treadleoperated one-revolution clutch, carries a bevel gear 90 meshing with a bevel gear 88 on a shaft 86 which carries an eccentric roller 178 which cooperates with a star-wheel 176, integral with a peripherally slotted feed disc 170. The shaft 40 also carries an eccentric pin 52 coupled by a link 53 to a pin 54 on a collar 408 fixed to a vertically reciprocable driver bar 30. At the lower end of the bar is an upper die 400 of rectangular cross-section, and passing through the die is a spring-loaded nipple pin 404. A bar 410 is mounted for vertical reciprocation parallel to the driver bar 30 and has a vertical slot 414 which receives a pin 416 projecting from the collar 408. The bar 410 is biased upwardly by a spring 420 acting between the collar 408 and a bracket 418 attached to the bar. A block 422 is attached to the bar 410 and receives a rod 424 which is clamped by a screw 426. Downward movement of the bar 410 is limited by the engagement of the head 428 of the rod with a bearing block 58, and upward movement is limited by the engagement of an adjustable collar 430, clamped on the rod, with the underside of the block 58. Attached to the bar 410 is a foot 412 having a central recessed portion (440), Fig. 3 (not shown), in which is formed a T-shaped gate (434) which lies opposite one of five slots (438) formed in the edge of the feed disc (170). The foot has an arcuate face (436) which is complementary to the edge of the disc (170). The transfer means comprises two spring fingers (182) constructed and arranged as in (Specification 1,018,591) which move an eyelet from the feed disc (170) to the foot (412). Eyelets are supplied to the feed disc from a vibratory hopper (124<SP>1</SP>), Fig. 4 (not shown), which the eyelets leave by way of an inclined flight (482), a pair of parallel bars (484) and a raceway 122<SP>1</SP>. Operation.-A board having a preformed hole therein is placed over a pin 18 in a lower die 14 and the treadle operated to actuate the machine, whereupon the fingers 182 retract, leaving an eyelet in the recessed portion (440) of the foot 412. The upper die 400 descends, engages the eyelet with the pin 404 and carries the foot and eyelet down until the foot is stopped by the head 428. The upper die now pushes the eyelet through the gate (434) so that the ears of the tags are bent upwards, the lower position of the foot 412 is such that the tips of the ears are retained in the gate (434) when the downward movement of the bar 30 stops so that the eyelets do not twist; the barrel of the eyelet having passed through the board and been clenched by the lower die 14.