GB1280070A - Improvements in or relating to sewing machines - Google Patents
Improvements in or relating to sewing machinesInfo
- Publication number
- GB1280070A GB1280070A GB39166/70A GB3916670A GB1280070A GB 1280070 A GB1280070 A GB 1280070A GB 39166/70 A GB39166/70 A GB 39166/70A GB 3916670 A GB3916670 A GB 3916670A GB 1280070 A GB1280070 A GB 1280070A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thread
- guide
- cutter
- catcher
- looptaker
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/26—Bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices
- D05B57/265—Bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices for looptakers with vertical axis
-
- 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
1280070 Thread cutter G M PFAFF AG 14 Aug 1970 [16 Aug 1969] 39166/70 Heading D1G A thread cutting device on a lock stitch sewing-machine having a looptaker 16 rotatable in a horizontal plane, a bobbin housing 19, 20 held from rotation by a finger 22 thereon and having thread outlet 35 below the plane of the upper surface of the bobbin housing, the device comprising a thread catcher 48 co-operating with a cutter 54 and the tip of the catcher being movable between the needle and the retaining finger of the housing. A bearing plate 45 is provided with concentric arcuate grooves 46, 47 which are eccentric of the looptaker, the former groove serving as a guide for the thread catcher 48 provided with a recess forming a barbed hook; the groove 47 receiving a movable arcuate cutter 54 and a thread guide 64. The thread catcher is engaged by a pin 54 and the cutter and guide by a pin 61, the pins being mounted on linkage 72, 74, 76, 80 operated either by mechanism connectible with the main shaft of the machine or, as shown by an electromagnet 78. A spring 69 clamps the looptaker thread to the underside of plate 45. The severing device is operated at the end of the stitched seam. Bobbin cases. The bobbin case is in two parts 19, 20 the lower part 19 providing the retaining finger 22 and a stud (30) for a lifter (31). The upper part provides an arm (37) with an opening 38 for receiving the thread from a guide 40. In another embodiment (Fig. 7 not shown) the tension spring (134) has a cranked end received in a recess (140) which forms a thread guide. Below the stud (130) on the lower part (119) is a rib 137 having an opening (138) constituting a thread guide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691941681 DE1941681A1 (en) | 1969-08-16 | 1969-08-16 | Thread cutting device on lockstitch sewing machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1280070A true GB1280070A (en) | 1972-07-05 |
Family
ID=5742941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB39166/70A Expired GB1280070A (en) | 1969-08-16 | 1970-08-14 | Improvements in or relating to sewing machines |
Country Status (3)
Country | Link |
---|---|
US (1) | US3658021A (en) |
DE (1) | DE1941681A1 (en) |
GB (1) | GB1280070A (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3776161A (en) * | 1972-08-09 | 1973-12-04 | Singer Werke Gmbh | Thread trimming device for lockstitch sewing machines |
US3867892A (en) * | 1974-05-09 | 1975-02-25 | Singer Co | Underbed thread trimmer for chainstitch sewing machines |
US3895591A (en) * | 1974-10-17 | 1975-07-22 | Singer Co | Thread cutting device |
DE2632362C2 (en) * | 1976-07-17 | 1978-05-03 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Thread cutting device on sewing machines |
IT1126288B (en) * | 1977-09-27 | 1986-05-14 | Necchi Spa | THREAD CUTTER DEVICE IN SEWING STITCHED MACHINES |
US4181088A (en) * | 1978-03-30 | 1980-01-01 | The Singer Company | Underbed thread trimmer for sewing machines |
US4235179A (en) * | 1979-07-19 | 1980-11-25 | The Singer Company | Underbed thread trimmer picking arm |
DE8032365U1 (en) * | 1980-12-05 | 1981-07-16 | Kochs Adler Ag, 4800 Bielefeld | NEEDLE GUIDE OF A SEWING MACHINE |
DE8329216U1 (en) * | 1983-10-10 | 1984-01-05 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | THREAD GUARD FOR SEWING, EMBROIDERY AND TUFTING MACHINES OR THE LIKE |
DE4009203A1 (en) * | 1990-03-22 | 1991-10-24 | Duerkopp Adler Ag | HORIZONTAL LEVEL ROTATING GRIPPER OF A DOUBLE-STEP-STITCH SEWING MACHINE |
DE4014554C1 (en) * | 1990-05-07 | 1991-08-29 | Pfaff Ag G M | Bobbin capsule for multi-needle sewing machine - has 1st spring to give looper thread tension and 2nd spring to receive slack thread part |
DE4129558C2 (en) * | 1990-09-06 | 1996-05-23 | Brother Ind Ltd | pattern sewing machine |
JPH04117993A (en) * | 1990-09-07 | 1992-04-17 | Brother Ind Ltd | Sewing machine |
EP0491088A1 (en) * | 1990-12-17 | 1992-06-24 | Hirose Manufacturing Company Limited | Rotary hook for sewing machines |
DE19722395C1 (en) * | 1997-05-28 | 1998-08-06 | Pfaff Ag G M | Double lock:stitch sewing machine thread cutter |
US5921192A (en) * | 1998-01-22 | 1999-07-13 | Bakron Corporation | Bobbin assembly with structure for severing improperly routed thread |
DE10123075C1 (en) | 2001-05-11 | 2002-10-10 | Duerkopp Adler Ag | Thread cutter, at a double lockstitch sewing machine, has a thread drawing blade positioned very close to the fabric support surface, to leave a very short cut end when the thread is severed |
US7591227B2 (en) * | 2007-11-20 | 2009-09-22 | Alberto Landoni | Systems and methods for thread handling and/or cutting |
DE102008030620B3 (en) * | 2008-06-24 | 2009-12-24 | Pfaff Industrie Maschinen Ag | Method and device for cutting the needle and the hook thread on lockstitch sewing machines with gripper rotating in a horizontal plane |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2163994A (en) * | 1937-02-19 | 1939-06-27 | Fischer Jakob Josef | Device for cutting and clamping the needle thread of sewing machines |
US2866425A (en) * | 1955-06-14 | 1958-12-30 | Union Special Machine Co | Lockstitch sewing machines |
DE1485265C2 (en) * | 1962-09-18 | 1975-12-11 | G. M. Pfaff Ag, 6750 Kaiserslautern | Thread cutting device on sewing machines |
US3503355A (en) * | 1967-10-10 | 1970-03-31 | Kochs Adler Ag | Thread cutting device for lockstitch sewing machines |
-
1969
- 1969-08-16 DE DE19691941681 patent/DE1941681A1/en active Pending
-
1970
- 1970-08-10 US US62574A patent/US3658021A/en not_active Expired - Lifetime
- 1970-08-14 GB GB39166/70A patent/GB1280070A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1941681A1 (en) | 1971-06-09 |
US3658021A (en) | 1972-04-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |