EP0494052B1 - Industrial sewing machine for simultaneously making different seaming patterns - Google Patents

Industrial sewing machine for simultaneously making different seaming patterns Download PDF

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Publication number
EP0494052B1
EP0494052B1 EP91830538A EP91830538A EP0494052B1 EP 0494052 B1 EP0494052 B1 EP 0494052B1 EP 91830538 A EP91830538 A EP 91830538A EP 91830538 A EP91830538 A EP 91830538A EP 0494052 B1 EP0494052 B1 EP 0494052B1
Authority
EP
European Patent Office
Prior art keywords
needle
driven
sewing machine
grippers
shafts
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
EP91830538A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0494052A1 (en
Inventor
Giovanni Cartabbia
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.)
Macpi SpA
Original Assignee
Macpi SpA
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 Macpi SpA filed Critical Macpi SpA
Publication of EP0494052A1 publication Critical patent/EP0494052A1/en
Application granted granted Critical
Publication of EP0494052B1 publication Critical patent/EP0494052B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
    • D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
    • D05B1/18—Seams for protecting or securing edges
    • D05B1/20—Overedge seams
    • D05B1/22—Overedge seams combined with joining or securing seams
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B35/00—Work-feeding or -handling elements not otherwise provided for
    • D05B35/02—Work-feeding or -handling elements not otherwise provided for for facilitating seaming; Hem-turning elements; Hemmers
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings
    • D05B73/04—Lower casings
    • D05B73/12—Slides; Needle plates

Definitions

  • the present invention relates to a sewing machine, for industrial use, which has been specifically designed for simultaneously performing a plurality of different seaming lines.
  • the above mentioned object is achieved by a sewing machine for industrial use, as claimed in the characterizing part of the main claim.
  • the sewing machine for industrial use comprises a supporting frame which has been specifically designed for supporting at least a main shaft 1 which is driven by an electric motor (not shown).
  • main shaft 1 there are keyed at least two pulleys, indicated respectively at 2 and 3, provided for transmitting a rotary movement to a first and a second driven shafts 4 and 5 through corresponding belts 6 and 7.
  • driven shafts 4 and 5 can also be driven by other driving sources, in a timed manner.
  • the first driven shaft 4 supports a first cam member 8 which, through a connecting rod 9, a ball joint 10 and a swinging pivot sleeve 11, drives a lever 12 provided with a thread tension arm 12′ for controlling one or more needle bars 13.
  • These needle bars are driven in a horizontal plane, possibly with different angles (but with a single and timed driving assembly) and support, by means of clamp members 14, corresponding needles 15 which can be selectively operatively driven.
  • a second cam member 16 which, through a connecting rod 17, a ball joint 18, a sleeve 19 and a swinging pivot pin 20, drives a trimming knife 21 supported on a curved supporting arm and the blade of which is indicated at 22.
  • a third cam member 23 which, through a connecting rod 24, a ball joint 25 and a sleeve 26, drives a first swinging pivot pin 27 which in turn, through a lever, drives a second pivot pin 28.
  • pivot pins 29 and 30 which can rise gripper bearing sliders, respectively indicated at 31 and 32.
  • the gripper bearing slide 31 fixedly supports the gripper or clamp 33 which operates to feed the fabric to the needle or to the needles.
  • the slider 32 supports the gripper 34 for driving the fabric beyond the needle or needles.
  • the gripper 33 can also be called “differential gripper” since it can carry out a different operating stroke from that of the gripper 34 which, in turn, can be called the “stitching gripper”.
  • a stitch stretching cam member 35 which, through a connecting rod 36, a ball joint 37 and a sleeve 38, can drive a swinging pivot pin 39.
  • This pivot pin drives rotatively the levers 40 and 41 which are respectively provided with driving pins 42 and 43, which, in operation, drives the respective gripper bearing sliders 31 and 32 so as to bring said sliders in contact with the fabric being sewn and cause said sliders to come back, in a lowered condition, under the control of the mentioned eccentric levers 29 and 30.
  • a cam member 44 which, through a connecting rod 45 and a ball joint 46, drives a sleeve 47.
  • This sleeve restrains a swinging pivot pin 48 thereon there is keyed a lever 49 bearing a hook member 50, which can perform a reciprocating movement.
  • a needle plate 61 thereon a pressing small foot 62 abuts, said foot 62 being mounted on a lever 63 pivoted to a rod 64 resiliently urged by an adjustable sporing device 65.
  • guides 66 mounted on a guide supporting element 67 and adapted to convey the two seamed fabric portions, which have been seamed or stitched by the horizontal needle or needles 15, under a further needle 68 which is driven along a vertical axis and is adapted to perform a "riveting" or sealing sewing operation.
  • This vertical needle or needles is/are assembled on a respective needle bar 69, which is reciprocately driven by the driven shaft 5 through any known driving means.
  • enclosing casing 70 which, advantageously, is also adapted to be used as a working surface.
  • the two fabric portions to be jointed are arranged on the mentioned working surface so as to arrange their corresponding edges with an adjoining relationship, with a vertical descending configuration, at the level of the horizontally operating needle or needles 15.
  • the mentioned fabric portions are arranged with horizontally opposite arrangements with the right side of the fabric upward directed.
  • the timed driving of the grippers 33 and 34 will allow two or more fabric portions to be stitched to be simultaneously and timely driven, and, in particular, the fabric portions can be driven with different angles in order to perform the desired sewing operation.
  • the side edges, facing one another and downward directed, of the fabric portions entrained by the grippers will be trimmed at the free edge portions thereof, by the knife 31 and then they will be further stitched by the vertical needle 68.
  • the sewing machine according to the present invention affords the possibility of making, in a single operating step, at a single working place and with a single operator, an assembling sewing operation on two fabric portions, followed by a "riveting" or sealing sewing operation.
  • the sewing machine according to the invention allows the fabric portions to be stitched to be arranged with a horizontal arrangement with the right side of the fabric upward turned.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Detergent Compositions (AREA)
EP91830538A 1990-12-28 1991-12-06 Industrial sewing machine for simultaneously making different seaming patterns Expired - Lifetime EP0494052B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2257190 1990-12-28
IT02257190A IT1246756B (it) 1990-12-28 1990-12-28 Macchina da cucire, per uso industriale, a struttura perfezionata, atta a permettere l'esecuzione sumultanea di piu' cuciture, di tipo differenziato.

Publications (2)

Publication Number Publication Date
EP0494052A1 EP0494052A1 (en) 1992-07-08
EP0494052B1 true EP0494052B1 (en) 1996-06-12

Family

ID=11197968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91830538A Expired - Lifetime EP0494052B1 (en) 1990-12-28 1991-12-06 Industrial sewing machine for simultaneously making different seaming patterns

Country Status (8)

Country Link
EP (1) EP0494052B1 (it)
JP (1) JPH0755269B2 (it)
KR (1) KR950011863B1 (it)
AT (1) ATE139271T1 (it)
DE (1) DE69120238T2 (it)
ES (1) ES2090290T3 (it)
IT (1) IT1246756B (it)
TW (1) TW219382B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000002989A1 (it) 2020-02-14 2021-08-14 Sardella Mose Macchina multi base per il settore della calzatura, pelletteria, automotive, arredamento, abbigliamento e simili

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1283025B1 (it) * 1996-05-16 1998-04-03 Macpi Pressing Div Macchina da cucire perfezionata per uso industriale in grado di ese- guire due cuciture in sequenza immediata, con la possibilita' di vari-
IT1292012B1 (it) * 1997-05-27 1999-01-25 Macpi Pressing Div Macchina da cucire perfezionata,per uso industriale,in grado di eseguire due cuciture in sequenza rispettivamente di unione e di
JP2019170812A (ja) * 2018-03-29 2019-10-10 蛇の目ミシン工業株式会社 ミシン

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1226311B (it) * 1988-07-26 1990-12-27 Macpi Spa Macchina da cucire, per uso industriale, a struttura perfezionata, atta a permettere l'esecuzione simultanea di piu' cuciture di tipo differenziato

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000002989A1 (it) 2020-02-14 2021-08-14 Sardella Mose Macchina multi base per il settore della calzatura, pelletteria, automotive, arredamento, abbigliamento e simili

Also Published As

Publication number Publication date
ES2090290T3 (es) 1996-10-16
IT1246756B (it) 1994-11-26
JPH0523453A (ja) 1993-02-02
KR920012603A (ko) 1992-07-27
JPH0755269B2 (ja) 1995-06-14
DE69120238T2 (de) 1996-10-10
KR950011863B1 (ko) 1995-10-11
IT9022571A0 (it) 1990-12-28
ATE139271T1 (de) 1996-06-15
DE69120238D1 (de) 1996-07-18
EP0494052A1 (en) 1992-07-08
TW219382B (it) 1994-01-21
IT9022571A1 (it) 1992-06-29

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