DE1933678A1 - Sewing machine needle plate tongue - Google Patents

Sewing machine needle plate tongue

Info

Publication number
DE1933678A1
DE1933678A1 DE19691933678 DE1933678A DE1933678A1 DE 1933678 A1 DE1933678 A1 DE 1933678A1 DE 19691933678 DE19691933678 DE 19691933678 DE 1933678 A DE1933678 A DE 1933678A DE 1933678 A1 DE1933678 A1 DE 1933678A1
Authority
DE
Germany
Prior art keywords
stitch
tongue
sewing machine
needle plate
machine needle
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.)
Pending
Application number
DE19691933678
Other languages
German (de)
Inventor
Sharp James Edwin
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.)
Union Special Machine Co
Original Assignee
Union Special Machine Co
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 Union Special Machine Co filed Critical Union Special Machine Co
Priority to DE19691933678 priority Critical patent/DE1933678A1/en
Publication of DE1933678A1 publication Critical patent/DE1933678A1/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B61/00—Loop holders; Loop spreaders; Stitch-forming fingers
    • 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
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings
    • D05B73/04—Lower casings
    • D05B73/12—Slides; Needle plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

Stitch plate with a displaceable tongue, as in DT. 1684062, is used on oversewing and multi-needle machines. Pref., the return of the tongue results after a delay following the reversal of the forwarding device.

Description

Stichplatte mit verschiebbarer Stichbildezunge (Zusatz zu Patent ... (Paten.tanmeldun.g P 16 85 062.7) Die Erfindung betrifft eine Stichplatte mit einer verschiebbaren Stichbildezunge nach Patent ....(Patentanmeldung P 16 85 062.7). Throat plate with movable stitch formation tongue (addendum to patent ... (Paten.tanmeldun.g P 16 85 062.7) The invention relates to a throat plate with a movable stitch-forming tongue according to patent .... (patent application P 16 85 062.7).

Der Erfindung liegt die Aufgabe zugrunde, den Anwendungsbereich der Stichbildezunge nach dem Hauptpatent zu erweitern.The invention is based on the object of the To expand stitch-forming tongue according to the main patent.

Diese Aufgabe wird gelöst durch die Anwendung der verschiebbaren Stichbildezunge bei Überwendlich- und bei Mehrnadel-Nähmaschinen.This task is solved by using the sliding stitch-forming tongue with overlock and multi-needle sewing machines.

Durch Anwendung der verschiebbaren Stichbildezunge nach dem Hauptpatent bei Überwendlich- und Mehrnadel-Nähmaachinen wird es auch bei diesen Maschinen möglich, den Stoffvorschub umzukehren und die Nahtenden zu verriegeln, ohne auf eine eine einwandfreie Stichbildung gewährleistende Stichbildezunge zu verzichten.By using the sliding stitch-forming tongue according to the main patent With overlock and multi-needle sewing machines, it is also possible with these machines reverse the feed of fabric and lock the seam ends without clicking one to dispense with a stitch-forming tongue that ensures perfect stitch formation.

Ein weiteres Merkmal der Erfindung besteht darin, daß der Rückzug der verschiebbaren Stichbildezunge verzögert zur Umkehr der Vorschubrichtung erfolgt. Das verzögerte Zurückziehen der Stichbildezuuge ist besonders bei Überwendlich-Nähmaschinen zweckmäßig, bei denen die Stoffkanten aufgrund der labilen Struktur des Stoffes nach Zurückziehen der Stichbildezunge absacken könnten, so daß eine einwandfreie Stichbildung nicht mehr möglich wäre. Dieses verzögerte Zurückziehen kann z.B. durch eine mechanisch, elektrisch o.dgl. gesteuerte und/oder betätigte Binrichtung erfolgen, die nach Umkehr der Vorschubrichtung und Rückkehr der Vorschubumkehr-Einrichtung kurzzeitig eingeschaltot wird.Another feature of the invention is that the retraction the sliding stitch-forming tongue is delayed to reverse the feed direction. The delayed retraction of the stitch formation is particularly important with overlock sewing machines expedient where the fabric edges due to the unstable structure of the fabric could sag after pulling back the stitch formation tongue, so that a perfect Stitch formation would no longer be possible. This delayed withdrawal can e.g. a mechanical, electrical or the like. controlled and / or activated signaling is carried out, after reversing the feed direction and returning the feed reversing device is switched on for a short time.

In der Zeichnung sind Ausführungsbeispiele einer verschiebbaren Stichbildezunge dargestellt. Es zeigen: Fig. 1 eine Stichplatte einer Uberwendlich-Nähmaschine in Draufsicht und Fig. 2 eine Stichplatte einer Mehrnadel-N§hmaschine in Draufsicht.The drawing shows exemplary embodiments of a displaceable stitch-forming tongue shown. Show it: 1 shows a throat plate of an overlock sewing machine in plan view and FIG. 2 a throat plate of a multi-needle sewing machine in plan view.

Die Stichplatte 1 (Pig. 1) einer Überwendlich-Nähmaschine besitzt die übliche Porm und hat eine Befestigungsbohrung 2 und einen Ausschnitt 3 für einen nicht dargestellten Stoffschieber.The needle plate 1 (Pig. 1) has an overlock sewing machine the usual Porm and has a mounting hole 2 and a cutout 3 for one Knife gate valve, not shown.

Nach vorliegender Erfindung ist die Stichbildezunge 4 an einem abgesetzten Schieber 5 befestigt, der mit einsr Befestigungsöffnung 6 zur Befestigung an einem Betätigungsmechanismus zum Verschieben des Schiebers 5 und damit der Stichbildezunge vereehen ist.According to the present invention, the stitch-forming tongue 4 is on a separate one Fastened slider 5, which has a fastening opening 6 for fastening to a Actuating mechanism for moving the slide 5 and thus the stitch-forming tongue is adored.

Die Stichplatte 11 (Fig. 2) einer Drei-Nadel-Nähiasohine ist mit Befestigungsbohrungen 12 und Ausschnitten 13 für nicht dargestellte Stoffschieber versehen. Hier sind zwei Stichbildesungen 14 an einem gemeinsamen Schieber 15 befestigt, der mit einer Befestigungsöffnung 16 versehen ist.The needle plate 11 (Fig. 2) of a three-needle sewing thread is provided with mounting holes 12 and cutouts 13 provided for knife gate valve, not shown. Here are two Stichbildesungen 14 attached to a common slide 15, which with a Mounting opening 16 is provided.

Wie bei der Stichplatte 11 nach Fig. 2 kann natürlich auch der Schieber 5 der Stichplatte 1 nach Fig. 1 mit mehreren Stichbildezungen versehen sein.As with the throat plate 11 according to FIG. 2, the slide can of course also 5 of the throat plate 1 according to FIG. 1 can be provided with several stitch-forming tongues.

Claims (2)

Patentan.sprüc he Patent applications Stichplatte mit einer verschiebbaren. Stichbildezunge nach Patent ... (Patentanmeldung P 16 85 062.7), g e k e n n. -z e i c h n. e t d u r c h die Anwendung der verschiebbaren Stichbildesunge (4, 14) bei Überwendlich- und Mehrnadel-Nähmaschinen. Throat plate with a sliding. Stitch-forming tongue according to patent ... (patent application P 16 85 062.7), g e k e n n. -Z e i c h n. E t d u r c h die Use of the movable stitch formation (4, 14) on overlock and multi-needle sewing machines. 2. Stichplatte nach Anspruch 1, d a d u r c-h g e k e n n -z e i c h n e t, daß der Rückzug der verschiebbaren. Stichbildezunge (4, 14) verzögert zur Umkehr der Vorschubrichtung erfolgt.2. throat plate according to claim 1, d a d u r c-h g e k e n n -z e i c n e t that the retreat of the sliding. Stitch formation tongue (4, 14) delayed to The feed direction is reversed.
DE19691933678 1969-07-03 1969-07-03 Sewing machine needle plate tongue Pending DE1933678A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19691933678 DE1933678A1 (en) 1969-07-03 1969-07-03 Sewing machine needle plate tongue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691933678 DE1933678A1 (en) 1969-07-03 1969-07-03 Sewing machine needle plate tongue

Publications (1)

Publication Number Publication Date
DE1933678A1 true DE1933678A1 (en) 1971-01-21

Family

ID=5738708

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691933678 Pending DE1933678A1 (en) 1969-07-03 1969-07-03 Sewing machine needle plate tongue

Country Status (1)

Country Link
DE (1) DE1933678A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036053A1 (en) * 1980-03-14 1981-09-23 Pegasus Sewing Machine Mfg. Co., Ltd. Method and device for backtracking thread chains with a two-needle overlock sewing machine
EP0037444A1 (en) * 1980-03-14 1981-10-14 Pegasus Sewing Machine Mfg. Co., Ltd. Thread chain sewing method and device for use in the two-needle overlock sewing machine
US4917032A (en) * 1988-07-26 1990-04-17 Yamato Mishin Seizo Kabushiki Kaisha Method and apparatus for changing the sewing direction of a multiple needle flat seam stitch machine
EP0433477A1 (en) * 1989-12-19 1991-06-26 Schips Ag Nähautomation Bidirectional overedge seaming device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036053A1 (en) * 1980-03-14 1981-09-23 Pegasus Sewing Machine Mfg. Co., Ltd. Method and device for backtracking thread chains with a two-needle overlock sewing machine
EP0037444A1 (en) * 1980-03-14 1981-10-14 Pegasus Sewing Machine Mfg. Co., Ltd. Thread chain sewing method and device for use in the two-needle overlock sewing machine
US4917032A (en) * 1988-07-26 1990-04-17 Yamato Mishin Seizo Kabushiki Kaisha Method and apparatus for changing the sewing direction of a multiple needle flat seam stitch machine
EP0433477A1 (en) * 1989-12-19 1991-06-26 Schips Ag Nähautomation Bidirectional overedge seaming device
US5154129A (en) * 1989-12-19 1992-10-13 Helmut Schips Automatic sewing machine for sewing chain stitch seams

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