US3234635A - Automatic machine for assembling the slider components of zipper fasteners - Google Patents

Automatic machine for assembling the slider components of zipper fasteners Download PDF

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Publication number
US3234635A
US3234635A US402526A US40252664A US3234635A US 3234635 A US3234635 A US 3234635A US 402526 A US402526 A US 402526A US 40252664 A US40252664 A US 40252664A US 3234635 A US3234635 A US 3234635A
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United States
Prior art keywords
slider
lug
slider body
machine
assembling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US402526A
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English (en)
Inventor
Jakob Horst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Francaise de Fermetures de Luxe
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Societe Francaise de Fermetures de Luxe
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Publication of US3234635A publication Critical patent/US3234635A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/46—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples
    • B21D53/50—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts
    • B21D53/54—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts slides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49782—Method of mechanical manufacture of a slide fastener
    • Y10T29/49783—Method of mechanical manufacture of a slide fastener of slider
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5101—Slide fastener or slide fastener element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5116—Plural diverse manufacturing apparatus including means for metal shaping or assembling forging and bending, cutting or punching
    • Y10T29/5117—Fastener [zipper]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53291—Slide fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53313—Means to interrelatedly feed plural work parts from plural sources without manual intervention
    • Y10T29/53383—Means to interrelatedly feed plural work parts from plural sources without manual intervention and means to fasten work parts together
    • Y10T29/53387—Means to interrelatedly feed plural work parts from plural sources without manual intervention and means to fasten work parts together by deforming

Definitions

  • sliding slider i.e. a slider adapted to move freely along the chains of fastening elements which form the zipper if the separated portions of the two chains are pulled laterally apart.
  • This type of slider has no lock incorporated thereon and is generally used on handbags, bags, suitcases and the like.
  • the machine is designed particularly for assembling the component elements of self-locking sliders and is also suitable for assembling the component elements of sliders of the other types.
  • the self-locking slider is of the type having four component elements, namely: the slider body proper, in which channels are formed for guiding the chains of fastening elements; the pull or gripping lug, a rocking member pivoted on the top face of the slider body and having a locking projection at its front end and a compression coil spring at its rear end, constantly urging said projection between two engaging teeth of the chain of fastening elements, even when such slider is assembled manually, it requires a strict and constant precision in the shape and dimensions of the component elements, notably the rocking member pivoted on the upper face of the slider body. Moreover, the fact that the coil spring is very tiny makes this part difficult to handle and these diificulties are increased considerably when it is contemplated to assemble these component elements automatically.
  • the bent end of said spring which defines the locking detent is normally urged between two engaging teeth of the chains of fastening elements and is released from this position by pulling the lug to move the slider along the chains of fastening elements.
  • the assembly machine comprises a single working station on each side of which is disposed a feed line for the slider bodies and pull lug respectively.
  • a movable, lever-actuated spindle is provided to receive a slider body and a movable slotted member is provided to receive a lug, a pair of push members transferring a slider body and a lug from said two feed lines respectively and placing said slider body and said lug on said spindle and said slotted member respectively.
  • a lever adapted to move said slotted member presses the lug carried thereby against said slider body and a lever actuated punch bends opposed bosses on said slider body toward each other for retaining the lug in pivoting position.
  • the levers controlling said movable spindle, said slotted member and said punch are actuated by cams carried by a main cam shaft, and the push members for transferring said slider bodies and said lugs from their respective feed lines are actuated by drive means operating in proper timed relationship, said drive means comprising for example electromagnets, the energizing circuits of which are controlled by cams carried by a second ary cam shaft connected to the main shaft.
  • the machine is designed more particularly for the steel wire for making the spring, rollers for feeding this steel wire, shearing and bending members, and members for properly positioning each cut wire section into the associated groove of the slider body.
  • These various movable components are actuated by driving means responsive in turn to the main cam shaft in order to provide the proper timing between the various operations.
  • FIG. 1 is a diagrammatic front elevation view of the machine
  • FIG. 2 is a plane view from above showing on a larger scale the working table of the machine with part of the instrumentalities thereon;
  • FIG. 3 illustrates the first step of the slider component element assembly process
  • FIG. 4 is a diagrammatic sectional view showing the essential component elements of the machine during an assembly process, the section being taken along the line 4-4 of FIG. 2;
  • slider correspo'nding'to a different type of zip-fastener slide of which the component elements are also adapted to be assembled by means of the machine of this invention.
  • the machine illustratively comprises a frame consisting of four leg-forming vertical angle members 1, carrying a table 2 at their upper ends and a platform 3 adjacent the lower ends of said legs for supporting a motor and variable-speed gear unit 4 which through a coupling 7 and a reduction gear 6 drives a pulley 5.
  • a pair of V-belts 8 drivingly connect the pulley to another pulley 23 mounted on a main shaft 9 supported by three bearings 10.
  • a driving handwheel 13 through a reducing drive consisting of a pinion 12 and a gear wheel 11 drives one end of said shaft 9, the handwheel 13 and pinion 12. being keyed on a common shaft 14.
  • the driven pulley 23 drives the main shaft 9 through a conventional electromagnetic clutch 24.
  • two conventional vibrating feeders 15, 16 are provided, of the type known as Syntron feeders for example, which are designed to feed the parts contained therein toward the inlets 17, 18 of feed chutes 19, 20 respectively, in which the parts fall by gravity along guide channels 21, 22.
  • the vibrating feeder 15 on the left side of the machine, as shown in FIG. 1, delivers the slider bodies 93 (FIG. 3) and the other vibrating feeder 16 delivers the pull lugs 94 (FIG. 6) to a point (FIG. 2) located substantially centrally of the table 2. It is at this point 25 that the component elements of the sliders S are assembled.
  • a bracket 26 Positioned adjacent the feeder 15 is a bracket 26 which supports a spool 28 that carries a coil of steel wire 27 for making the slider springs 96.
  • This steel wire is fed intermittently to said assembly point 25 through guide means 29 by means of a pair of feed rollers 30, 31 housed in a block 32. The intermittent movements of rotation of roller being effected through a lever 38 carrying a pawl 39.
  • the table 2 carries three blocks 40, 41, and 42.
  • block 40 In block 40 are slidably mounted a pair of rods 43, 44 reciprocated by means of levers 45, 46 producing an axial thrust adjustable by means of intermediate screws 47, 48. t
  • the second block 41 carries a sliding rod 49 responsive to a driving lever 50, an adjustment screw 51 being also provided therebetween.
  • the third block 42 permits the sliding movements of a spindle 52 adapted to be reciprocated by a lever 53, one end of which bears against a pair of rollers 54, 55.
  • FIG. 2 illustrates diagrammatically in a top plane view the parts mounted on the table 2.
  • the secondary devices such as the two electromagnets 72, 73 (FIG. 2) actuating the two levers 74, 75, each pivoted on a central pivot 76 have been omitted.
  • the other end of these levers carrypush members or pawls 77, 78 slidably engaged in the guide channels 21, 22 of the feed chutes 19, 20, the pawls being constantly urged by return springs 79.
  • the steel-wire feed roller 30 is rigid with a pinion 80 and is mounted on one end of a shaft 81, the other end of which carries a ratchet wheel 4 82 actuated by the pawl 39 and lever 38.
  • a cutter 83 is mounted on the end of sliding rod 43.
  • a setting punch 84 is mounted on the end of a lever 85 reciprocated by the other sliding rod 44.
  • a slidable lug carrier 86 bearing against a compression coil spring 87 is urged in turn by said sliding rod 44.
  • the push-rod 37 moves the spring positioning finger 91 through a roller 89.
  • a bell cranklever actuates the counter-cutter 88 shown in FIGS. 4 and 5 to transform the motion imparted to lever 90 by the lever 36 through an adjustment screw 92.
  • the synchronism between the two magnets is obtained by means of a secondary cam shaft (not shown) acting upon microswitches controlling the energizing circuits of the electromagnets, this camshaft being connected through a driving chain to the main cam shaft 9 of the machine.
  • the lever 46 and spring 87 urge the carrier member 86 forward until the lug 94 carried thereby engages the face 97 of slider body 93, the boss 98 thereof engaging the aperture 99 of said lug 94 (FIG. 4).
  • the cutter 83 is fed forward by the lever 45 and its edge 101 cuts the wire 27 at 102 and the spring 96 is engaged by the positioning finger 91 (by a downward movement controlled by the push-rod 37 and lever 50) into the groove 103 of slider 93, so that the end 9611 engages the orifice 108 formed through the face 97 of the slider body.
  • the setting punch 84 comprises at its front portion a concave contour 84a adapted to bend toward each other the bosses or projections 98, 107 formed on the face 97 of the slider body 93, the bending of boss 107 retaining the spring 96 in its groove 103.
  • the bosses and the contour of the setting punch are so conformed that upon completion of thesetting step the face 97 of the slider body appears as bearing a single, bridge-like boss or projection enclosing the lug 94 and spring 96.
  • the bent end 96a of the spring 96 is urged outwardly by the lug when the latter is pulled to permit movement of the slider along the chain of elements constituting the zipper.
  • the machine may be used for assembling the component elements of various types of sliders for zipper fasteners consisting of metal elements as well as plastic or synthetic elements.
  • the machine may also be adapted for assembling automatic or self-locking sliders of the type incorporating a lock spring, or sliders providing the single locking feature and incorporating a lug of the type illustrated in FIG. 6 and provided with a lock heel or point 109 engaging the aperture 108 when the lug is moved by the users hand.
  • This machine is also adapted to assemble free or sliding sliders consisting simply of a slider body 93 and a lug 94 without any locking point.
  • An automatic machine for assembling the component elements of zipper sliders of the type comprising a pull lug and a slider body formed with two bosses curved toward each other for retaining the pull lug therebetween, said machine comprising a single working station having a pair of chutes disposed on each side of the working station respectively for feeding the slider bodies and the lugs to said working station, a movable spindle adapted to receive a slider body thereon, a movable carrier member having a slot adapted to receive a lug therein, a pair of push members for transferring a slider body and a lug separately from the respective chutes onto said spindle and said movable carrier member respectively, means to move said carrier member for pressing the lug carried thereby against said slider body, a setting punch and means to move said setting punch against said bosses to bend the latter toward each other for trapping and pivotally mounting said lug therebetween.
  • An automatic machine as recited in claim 2 in which a length of spring Wire is provided from which said wire spring is formed, means to sever said wire to form said wire spring, said means comprising a cutter and a countercutter positioned adjacent said working station and means actuating said cutters in timed relation with the movement of said spindle and carrier member to cut a section of desired length from said wire upon completion of a sufficient feed movement thereof.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Slide Fasteners (AREA)
US402526A 1964-01-14 1964-10-08 Automatic machine for assembling the slider components of zipper fasteners Expired - Lifetime US3234635A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR960184A FR1390342A (fr) 1964-01-14 1964-01-14 Machine automatique pour l'assemblage des éléments des curseurs de fermetures à glissière

Publications (1)

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US3234635A true US3234635A (en) 1966-02-15

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US (1) US3234635A (fr)
FR (1) FR1390342A (fr)
GB (1) GB1042853A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497940A (en) * 1967-01-30 1970-03-03 Bethlehem Steel Corp Shell and plug assembly machine
US4135285A (en) * 1977-11-14 1979-01-23 Lewis Weiner Method and apparatus for assembling slide fastener sliders
US4296547A (en) * 1979-12-21 1981-10-27 Yoshida Kogyo K.K. Apparatus for loading a pull tab on a slider body
USRE31751E (en) * 1978-12-29 1984-12-04 Yoshida Kogyo K. K. Apparatus for loading a pull tab on a slider body
US5025544A (en) * 1989-08-11 1991-06-25 Yoshida Kogyo K.K. Method of joining slider body and pull tab
US5067221A (en) * 1990-04-20 1991-11-26 Yoshida Kogyo K.K. Method of and apparatus for assembling slide fastener sliders
CN109106009A (zh) * 2018-09-30 2019-01-01 泉州市展鸿自动化科技有限公司 一种旋转拉头的自动上马勾装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2707007B2 (ja) * 1991-03-28 1998-01-28 ワイケイケイ株式会社 スライドファスナー用スライダー組立機の引手供給装置
CN103240361B (zh) * 2013-05-27 2014-12-24 泉州市鲤城区展鸿自动化设备有限公司 一种带拉片自锁式合金yg头上弹片的组装机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825126A (en) * 1954-04-30 1958-03-04 G E Prentice Mfg Co Fastener slider assembly machine
US3138852A (en) * 1961-12-26 1964-06-30 Talon Inc Automatic lock slider assembling machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825126A (en) * 1954-04-30 1958-03-04 G E Prentice Mfg Co Fastener slider assembly machine
US3138852A (en) * 1961-12-26 1964-06-30 Talon Inc Automatic lock slider assembling machine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497940A (en) * 1967-01-30 1970-03-03 Bethlehem Steel Corp Shell and plug assembly machine
US4135285A (en) * 1977-11-14 1979-01-23 Lewis Weiner Method and apparatus for assembling slide fastener sliders
USRE31751E (en) * 1978-12-29 1984-12-04 Yoshida Kogyo K. K. Apparatus for loading a pull tab on a slider body
US4296547A (en) * 1979-12-21 1981-10-27 Yoshida Kogyo K.K. Apparatus for loading a pull tab on a slider body
US5025544A (en) * 1989-08-11 1991-06-25 Yoshida Kogyo K.K. Method of joining slider body and pull tab
US5031307A (en) * 1989-08-11 1991-07-16 Yoshida Kogyo K.K. Apparatus for joining slider body and pull tab
US5067221A (en) * 1990-04-20 1991-11-26 Yoshida Kogyo K.K. Method of and apparatus for assembling slide fastener sliders
CN109106009A (zh) * 2018-09-30 2019-01-01 泉州市展鸿自动化科技有限公司 一种旋转拉头的自动上马勾装置
CN109106009B (zh) * 2018-09-30 2023-09-08 泉州市展鸿自动化科技有限公司 一种旋转拉头的自动上马勾装置

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FR1390342A (fr) 1965-02-26
GB1042853A (en) 1966-09-14

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