EP0491999A1 - Pied presseur pour une machine à coudre et un dispositif d'ajustage pour ce pied - Google Patents

Pied presseur pour une machine à coudre et un dispositif d'ajustage pour ce pied Download PDF

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Publication number
EP0491999A1
EP0491999A1 EP90125746A EP90125746A EP0491999A1 EP 0491999 A1 EP0491999 A1 EP 0491999A1 EP 90125746 A EP90125746 A EP 90125746A EP 90125746 A EP90125746 A EP 90125746A EP 0491999 A1 EP0491999 A1 EP 0491999A1
Authority
EP
European Patent Office
Prior art keywords
pressing
pressing leg
leg
adjusting device
adjusting
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.)
Withdrawn
Application number
EP90125746A
Other languages
German (de)
English (en)
Inventor
Kun-Jung Lee
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP90125746A priority Critical patent/EP0491999A1/fr
Publication of EP0491999A1 publication Critical patent/EP0491999A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D05B29/12—Presser-foot attachment
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D05B29/06—Presser feet
    • D05B29/10—Presser feet with rollers

Definitions

  • the present invention includes a pressing leg I connected to a head seat 2 by pin 3, a spring 4 disposed between the pressing leg 1 and the head seat 2 for balancing the pressing leg 1.
  • the pressing leg I is formed with a recess 5 on one side, through which a sewing needle 6 goes for sewing.
  • the other needle 7 can be located at a position 8 beside the needle 6 so that both the needles 6,7 can sew under desirable pressing effect to avoid stitch drop.
  • a first roller 9 is mounted by a pin 10 under the pressing head I with its rotary shaft rad, ally aligned with the center of the recess 5.
  • rollers 11 are further mounted under the pressing head I as necessary, as shown in Figs.3 and 4, whereby when a material 12 to be sewed is pressed by the rollers 9, 11 against feeding teeth 13, the sewing needle can go through the sewed material 12 back and forth with the material 12 stably pressed by the rollers 9,11 without being pulled up. so that the sewing thread can be smoothly knotted. Because the contact surface between the rollers 9.11 and the sewed material 12 as well as the feeding teeth 13 is a larger plane surface so that the feeding teeth can easily feed in the sewed material 12 with greater pressing area. Also, due to the larger plane contact surface, the feeding direction of the sewed material 12 is easy to be maintained so as to keep the seam straight and beautiful.
  • the pressing force is in proportion to the square of the forcing area. Therefore, in case of equal pressing force, the pressure applied to the pressing leg 1 of this invention is only 1/A2 that of conventional roller type of prossing leg so as to prevent the sewed material 12 from being pressed with pressing track by the rollers 9,11, to ill affect the appearance quality of the sewed material.
  • the head seat 2 is integrally connected with a transverse adjusting bar 14 formed with a slot 15.
  • a longituinal adjusting bar 17 is formed with a transverse adjusting groove 18 corresponding to the transverse adjusting bar 14.
  • a screw 16 can go through the slot 15 to releaseably fasten the adjusting bar 14 to the adjusting bar 17, permitting the adjusting bar 14 to slide left and right along the grove 18 for adjusting transverse position.
  • Fig.6 shows an alternative embodiment wherein a transverse adjusting rod 19 is slidably disposed in a sleeve 20 of the adjusting bar 17 to achieve an adjusting effect similar to the effect of aferesaid embodiment. Also, a dovetail seat, a rack, etc can achieve the same effect.
  • a screw 21 can releaseably go through a slot 22 of the longitudinal adjusting bar 17 to fasten the same to a pressing rod 23.
  • a spring 24 provides the pressing leg 1 with pressure. Since this invention can achieve pressing effect with smaller pressure, an adjusting swivel 25 can be rotated to reduce the pressure of the spring 24 to avoid the pressing track left on the surface of sewed material by the pressing leg 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
EP90125746A 1990-12-28 1990-12-28 Pied presseur pour une machine à coudre et un dispositif d'ajustage pour ce pied Withdrawn EP0491999A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP90125746A EP0491999A1 (fr) 1990-12-28 1990-12-28 Pied presseur pour une machine à coudre et un dispositif d'ajustage pour ce pied

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90125746A EP0491999A1 (fr) 1990-12-28 1990-12-28 Pied presseur pour une machine à coudre et un dispositif d'ajustage pour ce pied

Publications (1)

Publication Number Publication Date
EP0491999A1 true EP0491999A1 (fr) 1992-07-01

Family

ID=8204905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90125746A Withdrawn EP0491999A1 (fr) 1990-12-28 1990-12-28 Pied presseur pour une machine à coudre et un dispositif d'ajustage pour ce pied

Country Status (1)

Country Link
EP (1) EP0491999A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200315321Y1 (ko) * 2003-02-26 2003-06-02 김희중 재봉기용 노루발
CN105986371A (zh) * 2015-04-20 2016-10-05 贺欣机械厂股份有限公司 缝纫机自动送料装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB729355A (en) * 1953-01-30 1955-05-04 W & J Bogod & Company Ltd An improved presser foot for sewing machines
US2804037A (en) * 1955-08-04 1957-08-27 Greist Mfg Co Presser foot attachment for sewing machines
US2948242A (en) * 1958-07-17 1960-08-09 Shuman Abraham Presser foot
US3294048A (en) * 1963-10-22 1966-12-27 Micale Angelo Combination plain foot and slide fastener foot for sewing machines
US3433192A (en) * 1967-06-12 1969-03-18 Angelo Spagnuolo Presser foot assemblage
GB1297442A (fr) * 1970-02-25 1972-11-22
GB1297441A (fr) * 1970-02-25 1972-11-22
GB2034777A (en) * 1978-10-30 1980-06-11 Kenichi Iwamoto Presser foot assembly for a sewing machine
US4278039A (en) * 1978-08-11 1981-07-14 Janome Sewing Machine Industry Co. Detachable presser foot
GB2212822A (en) * 1987-11-30 1989-08-02 Lee Kun Jung Presser foot for a sewing machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB729355A (en) * 1953-01-30 1955-05-04 W & J Bogod & Company Ltd An improved presser foot for sewing machines
US2804037A (en) * 1955-08-04 1957-08-27 Greist Mfg Co Presser foot attachment for sewing machines
US2948242A (en) * 1958-07-17 1960-08-09 Shuman Abraham Presser foot
US3294048A (en) * 1963-10-22 1966-12-27 Micale Angelo Combination plain foot and slide fastener foot for sewing machines
US3433192A (en) * 1967-06-12 1969-03-18 Angelo Spagnuolo Presser foot assemblage
GB1297442A (fr) * 1970-02-25 1972-11-22
GB1297441A (fr) * 1970-02-25 1972-11-22
US4278039A (en) * 1978-08-11 1981-07-14 Janome Sewing Machine Industry Co. Detachable presser foot
GB2034777A (en) * 1978-10-30 1980-06-11 Kenichi Iwamoto Presser foot assembly for a sewing machine
GB2212822A (en) * 1987-11-30 1989-08-02 Lee Kun Jung Presser foot for a sewing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200315321Y1 (ko) * 2003-02-26 2003-06-02 김희중 재봉기용 노루발
CN105986371A (zh) * 2015-04-20 2016-10-05 贺欣机械厂股份有限公司 缝纫机自动送料装置
CN105986371B (zh) * 2015-04-20 2018-07-24 贺欣机械厂股份有限公司 缝纫机自动送料装置

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