EP0488955A1 - Nähmaschinengehäuse - Google Patents

Nähmaschinengehäuse Download PDF

Info

Publication number
EP0488955A1
EP0488955A1 EP91810917A EP91810917A EP0488955A1 EP 0488955 A1 EP0488955 A1 EP 0488955A1 EP 91810917 A EP91810917 A EP 91810917A EP 91810917 A EP91810917 A EP 91810917A EP 0488955 A1 EP0488955 A1 EP 0488955A1
Authority
EP
European Patent Office
Prior art keywords
arm
drive mechanism
frame
sleeve
sewing machine
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.)
Granted
Application number
EP91810917A
Other languages
English (en)
French (fr)
Other versions
EP0488955B1 (de
Inventor
Antonio Jimenez
Patrice Deplante
Michel Combepine
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.)
Mefina SA
Original Assignee
Mefina SA
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 Mefina SA filed Critical Mefina SA
Publication of EP0488955A1 publication Critical patent/EP0488955A1/de
Application granted granted Critical
Publication of EP0488955B1 publication Critical patent/EP0488955B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings
    • D05B73/04—Lower casings
    • D05B73/06—Lower casings for free-arm sewing machines

Definitions

  • the present invention relates to sewing machines comprising a frame having two arms with which are associated at least, for the first arm, a needle bar and its drive mechanism and, for the second arm, a loop sensor device, the mechanism drive thereof and a drive mechanism for the material to be sewn.
  • Some of these machines include a monolytic frame, in cast iron, on which the various components mentioned must be fixed individually and then be subject to the adjustments required for each of them in the context of the technical assembly of which they are part.
  • the resistant framework is present in tubular form and consists of the assembly of two shells obtained by stamping, between which a motor shaft and its bearings are integrated.
  • This latter possibility has proved to be particularly advantageous, in particular in the constitution of a unit in which the shaft and its bearings are those intended for the control of the needle bar of the sewing machine, elements which are thus associated with the frame from its manufacture, more particularly to the upper arm of the frame.
  • the applicant now aims to improve the rationalization of the manufacture and assembly of the elements and members traditionally associated with the lower arm of a sewing machine of the type mentioned above, characterized, however, by the fact that the loop sensor device, its drive mechanism and said sewing material drive mechanism are mounted on an intermediate support and in that it comprises means for fixing this support to the engine body and means for fixing the engine body on the second arm of the frame.
  • Figure 1 is a sectional elevation of some of its elements.
  • FIG. 2 is a section, on a larger scale, along II-II of FIG. 1.
  • the sewing machine visible in FIG. 1 has a housing 1 formed by assembling two shells, such as shell 1 a , which also constitutes one of the two elements of the frame of the machine, like this which is described and illustrated in Swiss Patent No. 675,600 previously cited.
  • Such a frame is, in fact, constituted by this shell 1a and by a resistant U-shaped frame, 2, being, in this case, in the form of a tubular body of hexagonal section and fixed removably on this shell thanks to three devices generically indicated by the reference 3 and whose structural particularities are the subject of the international patent application PCT / CH91 / 00119 filed on 17.5.1991.
  • This sewing machine usually comprises, in particular, a needle bar 4, a mechanism 5 for controlling the needle bar, mechanism for driving the material to be sewn and a loop sensor device, the structural features of which have been shown. schematically in FIG. 2 and which are essentially arranged in a housing 6.
  • the organs mentioned are traditionally driven from a motor 7 by means of a set of pulleys and belts, indicated generically by the reference 8, driving two motor shafts 9 and 10 respectively and passing through the upper arm of the frame 2, for the shaft 9, and the lower arm of the latter, for the shaft 10.
  • the pivoting and maintaining in a centered and horizontal position of the axis 9 in the upper arm of the framework are ensured by two ball bearings mounted inside this arm for example as described in Swiss Patent No. 675,600 which will be referred to for more details.
  • the sewing machine shown in FIG. 1 is of the type in which the amplitude and the direction of drive of the sewing material are controlled by an electric motor, in particular a stepping motor, slaved to an electronic control circuit. .
  • This technique is well known to those skilled in the art since it has been used for many years.
  • the stepping motor 11 carries the housing 6 which is fixed to the motor for example by a series of screws of which only the axes 12 are visible in the drawing (fig. 2).
  • the motor 11 comprises a shaft 13 passing through a passage 14 of the housing 6 and at the end of which is cut a pinion 15 engaged with a toothed crown 17 * formed on the periphery of the first mobile 15 * of a device for controlling the range and direction of movement imparted to a claw 8 for driving the material to be sewn.
  • the housing 6 in particular contains a rotary hook 16 mounted at the upper end of a pinion 17 rotating on a shaft 17a, sketched in broken lines and secured, in 18, to the bottom of the housing 6.
  • the pinion 17 meshes with a second pinion 19 secured to the shaft 10 (FIG. 2) on which the drive of the hook 16 depends.
  • the shaft 10 rotates in two bearings, that is a first, smooth bearing, 20, engaged in a passage 21 formed in the wall of the housing 6 (fig. 2), and a second bearing , ball, 22, driven into the opening of the right end of a sleeve 23 whose left end is secured to a flange 24 (fig. 1).
  • This sleeve 23 is fixed to the motor 11 by means of this flange and of the screws already mentioned, of which only the longitudinal axes 12 are shown.
  • the arms of the frame 2 are tubular and of hexagonal section.
  • the external profile of the sleeve 23 is chosen so that it can be easily introduced into the lower arm of the frame 2, by simple sliding. It can be locked in the fully engaged position in the framework by a screw 25 passing through an opening in the wall of this framework and engaging in a threaded hole provided in the body of the sleeve 23.
  • this opening could be in the form of a slot extending parallel to the longitudinal axis of the lower arm of the frame 2, thus making it possible to fix the sleeve 23 in a position more or less engaged in the framework: in doing so, it will be possible to move the hook 16 laterally with respect to the needle, not shown, that the needle bar 4 carries, in particular for making adjustments if necessary.
  • the invention described makes it possible to rationalize, to a very great extent, the manufacture and assembly of the structural members allocated in the traditional way to the lower arm of a sewing machine: in particular, provision may be made for the manufacture and assembly of the assembly comprising the housing 6 and the organs it contains, the motor 11 and the sleeve 23, independently of the rest of the sewing machine, the whole constituting an autonomous unit which can be easily mounted on the resistant framework of this machine as previously mentioned.
  • such a unit can, if necessary, be dismantled just as easily, in particular to replace it, in the event of a breakdown, with a similar unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
EP91810917A 1990-11-29 1991-11-26 Nähmaschinengehäuse Expired - Lifetime EP0488955B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3781/90A CH684418A5 (fr) 1990-11-29 1990-11-29 Machine à coudre.
CH3781/90 1990-11-29

Publications (2)

Publication Number Publication Date
EP0488955A1 true EP0488955A1 (de) 1992-06-03
EP0488955B1 EP0488955B1 (de) 1995-02-08

Family

ID=4263348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810917A Expired - Lifetime EP0488955B1 (de) 1990-11-29 1991-11-26 Nähmaschinengehäuse

Country Status (9)

Country Link
US (1) US5205230A (de)
EP (1) EP0488955B1 (de)
JP (1) JPH04272789A (de)
CN (1) CN1027550C (de)
BR (1) BR9105189A (de)
CH (1) CH684418A5 (de)
DE (1) DE69107289T2 (de)
ES (1) ES2069263T3 (de)
RU (1) RU2023777C1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1090690C (zh) * 1996-12-10 2002-09-11 大和缝纫机制造株式会社 筒式底板型缝纫机
JP3480805B2 (ja) * 1998-02-09 2003-12-22 ブラザー工業株式会社 ミシンの回転釜駆動装置
DE19907007A1 (de) * 1999-02-18 2000-08-24 Zsk Stickmasch Gmbh Einstellbarer Greifer
RU2181394C2 (ru) * 2000-03-14 2002-04-20 Московский государственный университет сервиса Шьющий модуль к швейным агрегатам модульного типа
JP2002273081A (ja) * 2001-03-19 2002-09-24 Brother Ind Ltd 送り調節器組立体、布送り機構付き釜モジュール、布送り機構付き釜モジュールを備えたミシン
JP4799772B2 (ja) * 2001-07-17 2011-10-26 Ｊｕｋｉ株式会社 筒型ミシン
AU2003233811A1 (en) * 2003-05-28 2005-01-21 Del Vecchia And Quintanar, S.L. System for synchronising two movements and sewing machine comprising same
CN115787212B (zh) * 2023-02-01 2023-05-02 海安迪斯凯瑞探测仪器有限公司 一种基于机器人的联动缝纫头

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE817837C (de) * 1950-05-03 1951-10-22 Betr Smittelbau G M B H Naehmaschine mit Stofftragarm und Stoffvorschubeinrichtung
US2709978A (en) * 1950-10-02 1955-06-07 Adler Solomon Sewing machine
US3012532A (en) * 1958-02-03 1961-12-12 Leslie Ivan Alexander Sewing machines
GB2175616A (en) * 1985-05-27 1986-12-03 Rockwell Rimoldi Spa Sewing machine with a base consisting of two modules detachably connected to each other
DE3812725A1 (de) * 1986-10-21 1989-02-02 Baeckmann Reinhard Verfahren und einrichtung zur ueberwachung und optimierung von naehmaschinen, naehautomaten und naehprozessen
EP0337952A1 (de) * 1988-04-14 1989-10-18 Mefina S.A. Nähmaschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082485B (de) * 1955-12-21 1960-05-25 Naehmaschinenfabrik Karlsruhe Freiarmnaehmaschine mit abnehmbarem Armendstueck
US3866553A (en) * 1973-05-07 1975-02-18 Singer Co Sewing machine frame construction
US4183310A (en) * 1978-12-21 1980-01-15 The Singer Company Feed and loop taker module for a sewing machine
US4193361A (en) * 1978-12-21 1980-03-18 The Singer Company Sewing machine construction utilizing subassemblies
IT1151007B (it) * 1980-03-31 1986-12-17 Rockwell Rimoldi Spa Macchina per cucire modulare
US4552081A (en) * 1985-06-03 1985-11-12 The Singer Company Skeletal frame sewing machine
CH677804A5 (de) * 1988-11-30 1991-06-28 Mefina Sa
CH677508A5 (de) * 1988-11-30 1991-05-31 Mefina Sa
CH676999A5 (de) * 1988-11-30 1991-03-28 Mefina Sa
CH683353A5 (fr) * 1990-05-23 1994-02-28 Mefina Sa Machine à coudre.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE817837C (de) * 1950-05-03 1951-10-22 Betr Smittelbau G M B H Naehmaschine mit Stofftragarm und Stoffvorschubeinrichtung
US2709978A (en) * 1950-10-02 1955-06-07 Adler Solomon Sewing machine
US3012532A (en) * 1958-02-03 1961-12-12 Leslie Ivan Alexander Sewing machines
GB2175616A (en) * 1985-05-27 1986-12-03 Rockwell Rimoldi Spa Sewing machine with a base consisting of two modules detachably connected to each other
DE3812725A1 (de) * 1986-10-21 1989-02-02 Baeckmann Reinhard Verfahren und einrichtung zur ueberwachung und optimierung von naehmaschinen, naehautomaten und naehprozessen
EP0337952A1 (de) * 1988-04-14 1989-10-18 Mefina S.A. Nähmaschine

Also Published As

Publication number Publication date
DE69107289D1 (de) 1995-03-23
BR9105189A (pt) 1992-07-21
ES2069263T3 (es) 1995-05-01
DE69107289T2 (de) 1995-07-13
JPH04272789A (ja) 1992-09-29
EP0488955B1 (de) 1995-02-08
CH684418A5 (fr) 1994-09-15
RU2023777C1 (ru) 1994-11-30
CN1062011A (zh) 1992-06-17
CN1027550C (zh) 1995-02-01
US5205230A (en) 1993-04-27

Similar Documents

Publication Publication Date Title
EP0488955B1 (de) Nähmaschinengehäuse
FR2527132A1 (fr) Tete articulee pour robot industriel
EP3719187B1 (de) Fachbildungsvorrichtung und webmaschine vom typ jacquard, die mit dieser vorrichtung ausgerüstet ist
EP0377403B1 (de) Zickzack-Nähmaschine
EP0229681B1 (de) Antriebsvorrichtung zum Drehen der Rolle eines Rolladens, Rollstores oder dergleichen
EP1903133B1 (de) Vorrichtung zur Betätigung eines flexiblen Webschützen und Webmaschine, die mindestens eine solche Vorrichtung integriert
FR2528301A1 (fr) Batteur a fouets
EP0869858B1 (de) Bearbeitungseinheit mit rotierendem kopf
FR2510435A1 (fr) Machine de formage a rouleaux avec des tetes reglables dans la direction longitudinale
FR2689560A3 (fr) Dispositif de commande automatique de porte.
EP1743058B1 (de) Höheneinstellvorrichtung, damit ausgerüstete xenterbetätigte harnischeinzugmechanik und damit ausgerüstete webmaschine
CH713222A1 (fr) Mouvement horloger à remontage automatique.
FR2606390A1 (fr) Entrainement d'ascenseur a engrenage et vis sans fin et procede d'assemblage
FR2631213A1 (fr) Gaveuse semi-automatique
CH437216A (fr) Mélangeur à cuve fixe
FR2574145A1 (fr) Dispositif pour la transmission d'un mouvement rotatif,notamment sur une machine-outil
EP0478439A1 (de) Maschine zur Herstellung von geschliffenen Schrauben ausgehend von Stäben
FR2508564A1 (fr) Dispositif de reglage des aubes directrices d'une turbomachine axiale
FR2661963A1 (fr) Reducteur de vitesse a train epicyclouidal.
FR2732237A1 (fr) Melangeur motorise
FR2664491A1 (fr) Appareil de faconnage, pour elements dentaires, comportant un dispositif de protection.
FR2746327A1 (fr) Melangeur a bac annulaire
FR2587643A1 (fr) Unite de translation et de rotation d'une tete de travail de machine, notamment de robot
BE719249A (de)
FR2670001A1 (fr) Boussole.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE ES FR GB IT LI SE

17P Request for examination filed

Effective date: 19920702

17Q First examination report despatched

Effective date: 19931027

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE ES FR GB IT LI SE

REF Corresponds to:

Ref document number: 69107289

Country of ref document: DE

Date of ref document: 19950323

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19950328

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2069263

Country of ref document: ES

Kind code of ref document: T3

ITF It: translation for a ep patent filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19951126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19951127

Ref country code: ES

Free format text: LAPSE BECAUSE OF THE APPLICANT RENOUNCES

Effective date: 19951127

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19951130

Ref country code: CH

Effective date: 19951130

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19951126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19960731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19960801

EUG Se: european patent has lapsed

Ref document number: 91810917.4

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20010402

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051126