EP0224875B1 - Button feeder for button applicator - Google Patents

Button feeder for button applicator Download PDF

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Publication number
EP0224875B1
EP0224875B1 EP86116492A EP86116492A EP0224875B1 EP 0224875 B1 EP0224875 B1 EP 0224875B1 EP 86116492 A EP86116492 A EP 86116492A EP 86116492 A EP86116492 A EP 86116492A EP 0224875 B1 EP0224875 B1 EP 0224875B1
Authority
EP
European Patent Office
Prior art keywords
button
base
vertical
guide part
guide
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
EP86116492A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0224875A3 (en
EP0224875A2 (en
Inventor
Fumio Seki
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.)
YKK Corp
Original Assignee
Yoshida Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yoshida Kogyo KK filed Critical Yoshida Kogyo KK
Publication of EP0224875A2 publication Critical patent/EP0224875A2/en
Publication of EP0224875A3 publication Critical patent/EP0224875A3/en
Application granted granted Critical
Publication of EP0224875B1 publication Critical patent/EP0224875B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B9/00—Hat, scarf, or safety pins or the like
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
    • A41H37/10—Setting buttons

Definitions

  • the present invention relates to a button feeder for feeding buttons such as snap buttons, hook buttons, ornamental buttons, or the like to a button applicator for attaching such buttons to garment fabric pieces.
  • Japanese Laid-Open Patent Publication No. 56-85407 published July 11, 1981 discloses an automatic button applicator having a lower die unit with a die and an upper die unit with a punch.
  • the button applicator is equipped with a button feeder for feeding buttons one by one from a first hopper to the lower die unit.
  • Button attachments are also fed one by one by another feeder from a second hopper to the upper die unit.
  • the punch is moved toward the die to forcibly join the button and the button attachment together by staking on the garment fabric piece.
  • buttons and/or figures on its face If an ornamental button with characters and/or figures on its face is to be attached to a fabric piece, the button must be oriented in a specified direction at all times when it is fed to a button applicator.
  • a known button feeder is designed to supply such a button to a lower die unit while the button is being directed as desired.
  • a guide member having a wedge-shaped groove and another guide member having a vertical wall are disposed in confronting relation on a base block, thus defining a button feed path receptive of the circular head of a button.
  • the button is fed along the button feed path by means of a pusher, the button is rotated about its own axis in one direction because the circular button head undergoes greater frictional resistance imposed by the wedge-shaped groove than by the vertical wall.
  • the button has forks on its back which engage confronting edges of the guide members to orient the button while it is being fed along the button feed path.
  • the button When the button travels along the button feed path, the button tends to be subjected to more and more frictional resistance to its movement since the circular head thereof is progressively forced into the wedge-shaped groove due to rotation of the button about its own axis.
  • the present invention seeks to provide a button feeder capable of feeding buttons smoothly to a button applicator without increasing frictional resistance to movement of the buttons.
  • a button feeder for feeding a button to a button applicator, the button having a circular head and a joint stud projecting centrally from the circular head
  • said button feeder comprising: a feed guide including a base, a first side guide part fixedly mounted on an upper surface of said base along one side thereof and having first and second vertical walls, and a second side guide part disposed on the upper surface of said base along the other side thereof, said second side guide part including a first member pivotally mounted on said base and having a groove of a generally wedge-shaped cross section confronting said first vertical wall of said first side guide part, and a second member fixedly mounted on said base and having a third vertical guide wall confronting said second vertical guide wall of said first side guide part, said first, second and third vertical walls, said wedge-shaped groove and the upper surface of said base jointly defining a button guide channel of a generally inverted T-shaped cross section, said first member being pivotable toward and away from said first vertical guide wall of said first side guide part; means for normally
  • FIG. 3 shows a button applicator including a button attaching assembly 5.
  • the button attaching assembly 5 comprises an upper die unit 2 having a punch 1 vertically movable by a vertical actuator mechanism (not shown), and a lower die unit 4 having a die 3 disposed below the upper die unit 2 in vertical alignment therewith.
  • a first hopper 6 containing a number of button attachments A has an outlet joined by a first chute 7 to a button-attachment feeder 8 connected to the upper die unit 2.
  • a number of buttons B are contained in a second hopper 9 having an outlet joined by a second chute 10 to a button feeder 11 connected to the lower die unit 4.
  • the first and second hoppers 6, 9 are arranged to successively deliver the button attachments A and the buttons B, each one by one, to the first and second chutes 7, 10, respectively.
  • each of the buttons B has a circular head 12 bearing characters, figures, or the like on its face and a joint stud 13 projecting from the back thereof.
  • the circular head 12 has a recess 14 formed in a peripheral edge of the back thereof.
  • the joint stud 13 has a central hole 15 therein.
  • Each of the button attachments A has a pin 16 projecting from a circular base 16a.
  • the button B can be attached to a garment fabric piece C by inserting the pin 16 of the button attachment A into the central hole 15 of the joint stud 13 of the button B, and by pressing the button attachment A against the button B.
  • the button feeder 11 generally comprises a feed guide 20 disposed adjacent to the lower die unit 4, and a pusher unit 21 connected to the feed guide 20.
  • the feed guide 20 includes a first side guide part 26 having a first vertical guide wall 25 and disposed on an upper surface of a base 22 along one side thereof.
  • the feed guide 20 also includes a second side guide part 24 having a groove 23 of a generally wedge-shaped cross section and disposed on the upper surface of the base 22 along the opposite side thereof.
  • the first and second side guide parts 26, 24 are disposed in confronting relation to each other over the upper surface of the base 22 so as to define therebetween a button guide channel 27 of a generally inverted T-shaped cross section for the passage of the button B.
  • the pusher unit 21 includes a pusher body 29 having an upwardly opening guide channel 28, and an elongate pusher 30 longitudinally slidably disposed in the guide channel 28.
  • the pusher 30 has a slot 30a formed in its rear portion and terminating at a sloping edge 30b, from which a thin lower plate 30c extends toward the feed guide 20.
  • a finger 31 is pivotally mounted by a pin 32 on the pusher 30 for vertical pivotal movement about the pin 32.
  • the finger has a rear portion disposed in the slot 30a, and a front portion lying on the thin lower plate 30c.
  • the finger 31 has on its front end a downwardly directed projection 34 disposed forwardly of a front edge 30e of the thin lower plate 30c.
  • the finger 31 is normally urged to turn counterclockwise in Figure 1 about the pin 32 under the resilience of a compression spring 33 disposed in the slot 30a and acting on the rear end of the finger 31, so that the projection 34 is biased downwardly.
  • the pusher 30 is operatively connected at its rear end to an actuator (not shown) such as a cylinder or a reciprocating link mechanism.
  • the pusher body 29 has in one side wall thereof a side recess 29a at which the second chute 10 is connected to the pusher body 29 to allow the button B to be fed from the second chute 10 through the side recess 29a into the guide channel 28.
  • the base 22 of the feed guide 30 is generally in the form of a rectangular parallelepiped, having an upright attachment flange 22a on one side thereof.
  • the base 22 also has a vertical opening 44 ( Figure 2) formed adjacent to the upright attachment flange 22a.
  • the first side guide part 26 is generally in the form of a rectangular plate having in and along its inner edge a recess 50 so as to define the first vertical guide wall 25 and a downwardly facing horizontal wall 51.
  • the first side guide part 26 is fixedly mounted on the base 22 by means of a pair of screws 52, 52.
  • the first side guide part 26 also has a second vertical guide wall 53.
  • the second side guide part 24 includes a first member 40 having in and along its inner edge the groove 23, and a second member 42 having along its inner edge a third vertical guide wall 41.
  • the first member 40 has a downwardly directed arm 43 secured to a pivot pin 45 extending through the base 22 across the vertical opening 44.
  • the first member 40 is pivotably supported on the base 22, and is normally urged to pivot counterclockswise in Figure 2 toward the first vertical guide wall 25 under the resilience of a compression spring 46 acting between the upright attachment flange 22a and the first member 40.
  • the second member 42 is generally in the form of a rectangular plate fixedly secured at its outer edge portion to the top of the upright attachment flange 22a of the base 22 and having along its inner edge a downwardly directed flange 48 defining the third vertical guide wall 41.
  • This flange 48 serves to restrict the counterclockwise pivotal movement of the first member 40.
  • first vertical guide wall 25, the horizontal wall 51 and the second vertical guide wall 53 of the first guide part 26, the groove 23 of the first member 40 of the second guide part 24, the third vertical guide wall 41 of the second member 42 of the second guide part 24, and the upper surface of the base 22 jointly define the button guide channel 27 of a generally inverted T-shaped cross section.
  • the button B passes down the second chute 10 into the guide channel 28 via the side recess 29a, with the joint stud 22 directed upwardly, as shown in Figure 1.
  • the pusher 30 is moved forwardly to cause its front edge 30e to push the button B on the peripheral edge of the circular head 12 thereof into the guide channel 27 of the feed guide 20.
  • the downwardly directed projection 34 of the finger 31 engages the back of the circular head 12 as the finger 31 is slightly turned clockwise about the pin 32 against the bias of the spring 33.
  • the circular head 12 When the button B is pushed into the guide channel 27 of the feed guide 20, the circular head 12 is brought into contact with the inside walls of the wedge-shaped groove 23 of the first member 40 of the second guide part 24 and with the first vertical wall 25 of the first side guide part 26, at diametrically opposite peripheral portions of the circular head 12, as shown in Figure 2. Since the circular head 12 undergoes a greater amount of frictional resistance imposed by the inside walls of the wedge-shaped groove 23 than by the vertical wall 25 of the first side guide part 26, the button B is rotated about its own axis in one direction (counterclockwise in Figure 1). Thus the button B rolls on and along the first member 40 until the downwardly directed projection 34 of the finger 31 is received in the recess 14 in the back of the circular head 12.
  • the button B When the projection 34 engages in the recess 14, the button B is prevented from rolling or rotation, and is thereby oriented in a predetermined direction. With continued pushing by the pusher 30, the button B is delivered out of the feed guide 20 into the lower die unit 4. As a result, the button B has been placed on the die 3 in a predetermined orientation.
  • the circular head 12 While the button B is being fed along the guide channel 27 of the feed guide 20, the circular head 12, as it rolls or rotates, tends to be progressively forced into the wedge-shaped groove 23. At that time, partly because the first member 40 is pushed by the circular head 12 to turn clockwise in Figure 1 about the pivot pin 45 against the bias of the spring 46, and partly because the joint stud 13 engages the third vertical wall 41 of the flange 48 of the second member 42 which is non-movable, the circular head 12 is prevented from further entering the wedge-shaped groove 23 of the first member 40 and hence is kept from an increased degree of frictional resistance applied by the wedge-shaped groove 23. Therefore, the button B can be fed smoothly along the guide channel 27 of the feed guide 20 without being caught in the wedge-shaped groove 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Automatic Assembly (AREA)
  • Special Conveying (AREA)
  • Reciprocating Conveyors (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • Feeding Of Articles To Conveyors (AREA)
EP86116492A 1985-11-29 1986-11-27 Button feeder for button applicator Expired - Lifetime EP0224875B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1985182919U JPH0312740Y2 (ja) 1985-11-29 1985-11-29
JP182919/85U 1985-11-29

Publications (3)

Publication Number Publication Date
EP0224875A2 EP0224875A2 (en) 1987-06-10
EP0224875A3 EP0224875A3 (en) 1989-11-02
EP0224875B1 true EP0224875B1 (en) 1992-10-07

Family

ID=16126674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86116492A Expired - Lifetime EP0224875B1 (en) 1985-11-29 1986-11-27 Button feeder for button applicator

Country Status (7)

Country Link
EP (1) EP0224875B1 (ja)
JP (1) JPH0312740Y2 (ja)
KR (1) KR880002308Y1 (ja)
AU (1) AU565517B2 (ja)
DE (1) DE3686934T2 (ja)
HK (1) HK189295A (ja)
MY (1) MY101794A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA875450B (en) * 1986-07-28 1988-04-27 Saint Gobain Cinematique Inspection of transparent bodies
JPH0435287Y2 (ja) * 1986-08-26 1992-08-21
KR20040024203A (ko) * 2002-09-13 2004-03-20 주식회사두리산업 모자용 자동 단추 결합기의 밑단추 쓰러짐 방지장치
CN107803653A (zh) * 2017-11-29 2018-03-16 中色（天津）特种材料有限公司 双面压合型散热器的上下压合成型夹具
CN108402568A (zh) * 2018-05-14 2018-08-17 东莞市太舜机械有限公司 一种用于牛仔扣钮扣机的扣子推送装置及其应用
CN110482145B (zh) * 2019-08-12 2024-06-11 惠州市创荣发实业有限公司 一种带引脚弹簧的分离排列装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815805A (en) * 1972-06-05 1974-06-11 Textron Inc Apparatus for attaching fasteners to a garment in registration
US3987950A (en) * 1975-06-19 1976-10-26 Textron, Inc. Apparatus for orienting and attaching fasteners to an article
JPS5614246Y2 (ja) * 1976-12-11 1981-04-03
DE2826417C2 (de) * 1978-06-16 1986-11-13 Schaeffer-Homberg Gmbh, 5600 Wuppertal Maschine zum Ansetzen von Nieten, Knöpfen o.dgl. an Kleidungsstücke
JPS55113323U (ja) * 1979-02-02 1980-08-09
JPS55115669U (ja) * 1979-02-09 1980-08-15

Also Published As

Publication number Publication date
MY101794A (en) 1992-01-31
DE3686934T2 (de) 1993-05-13
DE3686934D1 (de) 1992-11-12
KR880002308Y1 (ko) 1988-07-02
AU6515886A (en) 1987-06-04
JPH0312740Y2 (ja) 1991-03-26
HK189295A (en) 1995-12-22
JPS6292211U (ja) 1987-06-12
EP0224875A3 (en) 1989-11-02
EP0224875A2 (en) 1987-06-10
KR870007826U (ko) 1987-06-09
AU565517B2 (en) 1987-09-17

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