IT1245007B - FORWARD MECHANISM IN A SEWING MACHINE - Google Patents

FORWARD MECHANISM IN A SEWING MACHINE

Info

Publication number
IT1245007B
IT1245007B ITTO910045A ITTO910045A IT1245007B IT 1245007 B IT1245007 B IT 1245007B IT TO910045 A ITTO910045 A IT TO910045A IT TO910045 A ITTO910045 A IT TO910045A IT 1245007 B IT1245007 B IT 1245007B
Authority
IT
Italy
Prior art keywords
joint
coupling
joints
snap
drive shaft
Prior art date
Application number
ITTO910045A
Other languages
Italian (it)
Inventor
Kurt Klundt
Original Assignee
Pfaff Ag G M
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 Pfaff Ag G M filed Critical Pfaff Ag G M
Publication of ITTO910045A0 publication Critical patent/ITTO910045A0/en
Publication of ITTO910045A1 publication Critical patent/ITTO910045A1/en
Application granted granted Critical
Publication of IT1245007B publication Critical patent/IT1245007B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B27/00—Work-feeding means
    • D05B27/10—Work-feeding means with rotary circular feed members
    • D05B27/14—Work-feeding means with rotary circular feed members rotating discontinuously
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B27/00—Work-feeding means

Landscapes

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

Abstract

Per evitare durante la commutazione degli errori di comando, si impiega un giunto con una tolleranza ridotta nel senso della rotazione.Il giunto (53) in un caso è formato da due giunti a lamine (28, 28') comandabili, nei quali gli inglesi di accoppiamento possono venire accoppiati a scelta con la parte della presa di forza (boccola 33, 33') di ciascuno dei meccanismi (24, 24') di avanzamento a scatto, e presentano una comune uscita di accoppiamento (elemento di trascinamento 52), la quale è collegata con l'albero di trascinamento (34) dell'ingranaggio scorrevole (37). Nell'altro caso, il giunto (153) è formato da due giunti a lamine (128') comandabili, di guisa che l'ingresso di accoppiamento del primo giunto a lamine (128) può venire accoppiato con la parte di presa di forza del meccanismo (124) di avanzamento a scatto, oppure l'ingresso di accoppiamento del secondo giunto a lamine (28') può venire collegato con la parte della presa di forza di meccanismo d'inversione (100), e i giunti a lamine presentano una uscita di accoppiamento comune, la quale è collegata con l'albero di trascinamento (34) dell'ingranaggio scorrevole (37).To avoid switching errors, a joint with a reduced tolerance in the direction of rotation is used. The joint (53) in one case is made up of two controllable blade joints (28, 28 '), in which the English coupling elements can be optionally coupled with the power take-off part (bushing 33, 33 ') of each of the snap-action feed mechanisms (24, 24'), and have a common coupling output (driving element 52), which is connected to the drive shaft (34) of the sliding gear (37). In the other case, the joint (153) is made up of two controllable sheet joints (128 '), so that the coupling entrance of the first sheet joint (128) can be coupled with the power take-off part of the snap-action mechanism (124), or the coupling inlet of the second leaf joint (28 ') can be connected with the PTO part of the reverse mechanism (100), and the leaf joints have an outlet common coupling, which is connected to the drive shaft (34) of the sliding gear (37).

ITTO910045A 1990-01-27 1991-01-25 FORWARD MECHANISM IN A SEWING MACHINE IT1245007B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4002382A DE4002382A1 (en) 1990-01-27 1990-01-27 Sewing machine - has precision couplings, for forward and reverse cloth advance mechanism

Publications (3)

Publication Number Publication Date
ITTO910045A0 ITTO910045A0 (en) 1991-01-25
ITTO910045A1 ITTO910045A1 (en) 1992-07-25
IT1245007B true IT1245007B (en) 1994-09-13

Family

ID=6398888

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910045A IT1245007B (en) 1990-01-27 1991-01-25 FORWARD MECHANISM IN A SEWING MACHINE

Country Status (4)

Country Link
JP (1) JPH04314494A (en)
KR (1) KR910014552A (en)
DE (1) DE4002382A1 (en)
IT (1) IT1245007B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19812913C2 (en) * 1998-03-24 2000-04-27 Minerva Boskovice A S Feed device for a sewing machine
JP4675977B2 (en) * 2008-01-16 2011-04-27 啓翔股▲ふん▼有限公司 Sewing machine clutch structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271776A (en) * 1979-09-19 1981-06-09 Kochs Adler Ag Workpiece feeding device for a sewing machine
DE3210997C2 (en) * 1982-03-25 1989-11-23 Kochs Adler Ag, 4800 Bielefeld Feed gear of a sewing machine

Also Published As

Publication number Publication date
ITTO910045A1 (en) 1992-07-25
KR910014552A (en) 1991-08-31
DE4002382C2 (en) 1992-01-16
ITTO910045A0 (en) 1991-01-25
JPH04314494A (en) 1992-11-05
DE4002382A1 (en) 1991-08-08

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Legal Events

Date Code Title Description
0001 Granted