CN104372533B - A kind of sewing machine cloth-dragging wheel apparatus - Google Patents
A kind of sewing machine cloth-dragging wheel apparatus Download PDFInfo
- Publication number
- CN104372533B CN104372533B CN201410593800.9A CN201410593800A CN104372533B CN 104372533 B CN104372533 B CN 104372533B CN 201410593800 A CN201410593800 A CN 201410593800A CN 104372533 B CN104372533 B CN 104372533B
- Authority
- CN
- China
- Prior art keywords
- cloth
- sewing machine
- dragging wheel
- machine head
- connecting rod
- 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 - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
- D05B3/02—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing with mechanisms for needle-bar movement
- D05B3/025—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing with mechanisms for needle-bar movement with a pair of needles mounted on the needle-bar
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
- D05B3/04—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing with mechanisms for work feed
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/02—Devices for fastening needles to needle bars
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/02—Loop takers, e.g. loopers for chain-stitch sewing machines, e.g. oscillating
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to a kind of sewing machine cloth-dragging wheel apparatus, two groups of mop gears it are provided with at the rear of presser feet, mop geared sleeve is connected in single direction ratchet, single direction ratchet is coupled with the main shaft in sewing machine head by linkage, and realize working asynchronously with presser feet and stitch, have the advantages that working stability mop is effective, additionally the present invention can be by regulating the position of two groups of linkages, two groups of each rotational steps of mop gear can be realized different, cause left and right mop gear mop uneven, make cloth to curving, thus realize the function of camber line sewing.
Description
Technical field
The present invention relates to sewing machine technique, specifically a kind of sewing machine cloth-dragging wheel apparatus.
Background technology
Coordinated with presser feet by the tooth below presser feet during sewing machine work and realize work feed, there is the situations such as skidding in current this work feed mode so that sewing stitch out is inconsistent, affects aesthetics, work feed then exists because of difficult problem for some special fabrics, even cannot normally work；The most existing sewing machine is when camber line is sewed mainly by manually controlling, and thus it cannot be guaranteed that camber line is smooth unified, stitch is the most uniform；At sewing machine when sewing up waist belt part, after being laterally sewn directly to the end, need to dismantle the stitching thread of junction when longitudinally sewing up, this adds increased the efficiency of the sewing that operation reduces, be at this moment accomplished by using wire jumper technology to avoid the generation of analogue.
The most existing sewing machine is internally provided with built-in presser bar lifting mechanisms, if Chinese patent notification number is that CN203159869U discloses a kind of built-in automatic needle-foot-lifting mechanism for sewing machine, including with lower component: casing, described casing includes a uprights, is provided with a cavity in described uprights；Linear actuator is fixedly mounted in described cavity, described linear actuator include one can be with the draw bar of straight reciprocating motion, the rear end of lever after one is had to be connected with the end of draw bar, the front end of rear lever includes two pin-and-holes, wherein pin-and-hole is rotatably connected in casing by bearing pin before first, rear lever rear end to pin-and-hole before the distance of pin-and-hole is more than second before first to first before the distance of pin-and-hole, front lever includes three pin-and-holes, and the first pin-and-hole is rotatably connected in casing by bearing pin；Second pin-and-hole is hinged with presser feet lifter plate；Before having the rear end of a pull bar and the second of rear lever, pin-and-hole is hinged, and the front end of pull bar is hinged with the 3rd pin-and-hole of front lever；Presser bar lifting mechanisms is arranged enclosure interior by this mechanism, the active force of linear actuator is amplified by lever, and play commutation effect, make structure compacter, structure is more reasonable, but this automatic presser bar lifting mechanisms is once breaking down, and sewing machine just cannot be carried out normally working, making troubles to production, its reliability need to improve.
Summary of the invention
It is an object of the invention to provide a kind of sewing machine cloth-dragging wheel apparatus, two groups of mop gears it are provided with at the rear of presser feet, mop geared sleeve is connected in single direction ratchet, single direction ratchet is coupled with the main shaft in sewing machine head by linkage, and realize working asynchronously with presser feet and stitch, having the advantages that working stability mop is effective, the present invention can be by regulating the position of two groups of linkages, two groups of each rotational steps of mop gear can be realized, thus realize the function of camber line sewing；Simultaneously the present invention be additionally provided with presser feet and cloth-dragging wheel linkage lifting device, simple in construction, easy to use.
The most by the following technical solutions:
A kind of sewing machine cloth-dragging wheel apparatus, including sewing machine head and presser feet, it is characterized in that: the described sewing machine head back side is provided with cloth-dragging wheel device, described cloth-dragging wheel device includes casing, cloth-dragging wheel depression bar, unidirectional cloth-dragging wheel and linkage, the back being connected in sewing machine head of described casing, there are two cloth-dragging wheel depression bars be arrangeding in parallel from top to bottom through casing, it is provided with cloth-dragging wheel support in the lower end of every cloth-dragging wheel depression bar, it is provided with unidirectional cloth-dragging wheel on each cloth-dragging wheel support, cloth-dragging wheel depression bar is socketed with spring, spring retention applies downward pressure to cloth-dragging wheel depression bar in casing；Described unidirectional cloth-dragging wheel includes mop gear and single direction ratchet, mop geared sleeve is connected in single direction ratchet, single direction ratchet is articulated in cloth-dragging wheel support, and single direction ratchet couples with the main shaft within sewing machine head also by linkage, and double groups of unidirectional cloth-dragging wheels are positioned at the rear of presser feet.Described linkage includes swing arm, input connecting rod, tooth axle box, output connecting rod, longitudinal rod and drive rod, described tooth axle box is connected in the back of sewing machine head, being fixed with two output connecting rods on the output shaft of tooth axle box, output connecting rod is provided with adjustment hole, and the upper end of two longitudinal rods is respectively hinged at the adjustment hole of corresponding output connecting rod, the lower end of longitudinal rod is hinged with drive rod, and the drive rod other end drives single direction ratchet to rotate；The back side of described sewing machine head is additionally provided with a breach, and swing arm is connected through this breach with the main shaft within sewing machine head, and the free end outside swing arm and input rod hinge connection, input connecting rod is connected with the power shaft of tooth axle box.
Rear side at described casing offers upgrading slot, has the one end of a lift arm to be connected with cloth-dragging wheel depression bar, and the other end of lift arm passes through upgrading slot from casing；The first activation lever and the second activation lever also it is articulated with at the sewing machine head back side, connecting bar is passed through in first activation lever and the second activation lever wherein one end, the output end of the first activation lever is flexibly connected with lift arm by connector, and the input of the second activation lever couples with power set.
The described input driving arm is provided with belt wheel, and described power set, for driving motor, are driven motor output shaft upper shaft to connect a cam, coupled by belt between cam with belt wheel, and driving motor to be rotated through cam can move up and down by band movable belt pulley.
On rear side of described sewing machine head, storehouse covers and has loose slot, has a connecting pin through this loose slot by outside connecting rod and the pull bar interconnection in storehouse, and pull bar is connected with presser feet lifter plate by presser feet activation lever, and presser feet lifter plate is connected with presser feet.
The present invention is provided with two groups of cloth-dragging wheel devices at presser feet rear, cloth-dragging wheel device can change, by position at the lever regulated hole of output, the regulation longitudinal rod upper end, the angle that cloth-dragging wheel device rotates every time, it is the biggest that the pin joint of longitudinal rod upper end regulates each anglec of rotation of cloth-dragging wheel device the most outward, otherwise it is the least, two longitudinal rod positions are made by regulation, make the difference of two cloth-dragging wheel device each rotational angles of mop gear, thus cause two cloth-dragging wheel device mop strokes different, thus realize camber line sewing, the present invention coordinates the original tooth of sewing machine and presser feet to have more preferable mop effect, good stability during work, stitch is more uniform, there is straight line and camber line sewing function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the side portion structure schematic diagram of the present invention；
Fig. 3 is the overall structure schematic diagram of bridle wire apparatus of the present invention；
Fig. 4 is the structural representation of wire jumper of the present invention set and rocking arm；
Fig. 5 is the structural representation of wire jumper of the present invention set and rocking arm other direction；
Fig. 6 is that the present invention drives arm and the fit structure schematic diagram of locking lock；
Fig. 7 is the structural representation of shank of the present invention；
Fig. 8 is presser bar lifting mechanisms structural representation of the present invention.
Detailed description of the invention
As shown in figures 1-8, a kind of sewing machine cloth-dragging wheel apparatus, including sewing machine head 1 and presser feet 2, the described sewing machine head back side is provided with cloth-dragging wheel device, described cloth-dragging wheel device includes casing 11, cloth-dragging wheel depression bar 12, unidirectional cloth-dragging wheel 13 and linkage, described casing 11 is connected in the back of sewing machine head 1, there are two cloth-dragging wheel depression bars 12 be arrangeding in parallel from top to bottom through casing 11, it is provided with cloth-dragging wheel support 14 in the lower end of every cloth-dragging wheel depression bar 12, unidirectional cloth-dragging wheel 13 it is provided with on each cloth-dragging wheel support 14, cloth-dragging wheel depression bar 12 is socketed with spring 15, spring 15 applies downward pressure to cloth-dragging wheel depression bar 12 in being placed in casing 11；Described unidirectional cloth-dragging wheel includes mop gear 131 and single direction ratchet 132, mop gear 131 is socketed in single direction ratchet 132, single direction ratchet 132 is articulated in cloth-dragging wheel support 14, single direction ratchet 132 couples with the main shaft within sewing machine head 1 also by linkage, and double groups of unidirectional cloth-dragging wheels are positioned at the rear of presser feet 2.
Described linkage includes swing arm 21, input connecting rod 22, tooth axle box 23, output connecting rod 24, longitudinal rod 25 and drive rod 26, described tooth axle box 23 is connected in the back of sewing machine head 1, being fixed with two output connecting rods 24 on the output shaft of tooth axle box 23, output even 24 bars are provided with adjustment hole 27, and the upper end of two longitudinal rods 25 is respectively hinged at the adjustment hole 27 of corresponding output connecting rod 24, the lower end of longitudinal rod 25 is hinged with drive rod 26, and drive rod 26 other end drives single direction ratchet 132 to rotate；The back side of described sewing machine head 1 is additionally provided with a breach 10, and swing arm 21 is connected through this breach with the main shaft within sewing machine head 1, and the free end outside swing arm 21 is hinged with input connecting rod 22, and input connecting rod 22 is connected with the power shaft of tooth axle box 23.
Rear side at described casing 11 offers upgrading slot 28, has the one end of a lift arm 29 to be connected with cloth-dragging wheel depression bar 12, and the other end of lift arm 29 passes through upgrading slot 28 from casing 11；The first activation lever 31 and the second activation lever 32 also it is articulated with at the sewing machine head back side, first activation lever 31 and second activation lever 32 wherein one end are interconnected by connecting rod 33, the output end of the first activation lever 31 is flexibly connected with lift arm 29 by connector 34, and the input of the second activation lever 32 couples with power set.
The input of the second described activation lever 32 is provided with belt wheel 35, described power set are for driving motor, driving motor output shaft upper shaft to connect a cam, coupled by belt between cam with belt wheel 35, driving motor to be rotated through cam can move up and down by band movable belt pulley.
On rear side of described sewing machine head 1, storehouse covers and has loose slot 36, a connecting pin 37 is had to be interconnected with the pull bar 38 in storehouse by outside connecting rod 33 through this loose slot 36, pull bar 38 is connected with presser feet lifter plate 40 by presser feet activation lever 39, and presser feet lifter plate 40 is connected with presser feet 2.
It is additionally provided with mounting seat 5 inside described sewing machine head 1, cavity 51 is had in the middle part of mounting seat 5, the needle bar hole 52 of two mounting seats that be arranged in parallel and run through up and down is also had in mounting seat 5, two shanks 53 are had to be respectively contained in two needle bar holes 52, two shanks 53 are fixed together by adapter sleeve 54, intermediate sleeve at shank 53 is connected to wire jumper set 55, wire jumper set 55 is placed in cavity 51, wire jumper set 55 is coupled with main shaft by Rocker arm 56, the upper wall of cavity 51 is provided with the removable pin 57 that can move left and right, and removable pin 57 is connected with the electromagnet apparatus 7 outside head；Wire jumper set 55 is provided with locking mechanism, is provided with lockable mechanism in described mounting seat 5, and removable pin 57 matches with locking mechanism.
Cannelure 58 is offered at described shank 53 sidepiece, transverse groove 59 is also had in the position near cannelure 58 upper and lower end parts, pivot hole 60 is offered in the middle two side of cannelure 58, install in cannelure 58 and control sheet 61, the middle part controlling sheet 61 is articulated on pivot hole 60, the both ends controlling sheet 61 keep wherein one end to lift up and flush or exceed plane of the opening with cannelure 58 plane of the opening, and side, the other end is placed in cannelure 58 completely.
Described lockable mechanism is included in the position of needle bar hole 52 corresponding to mounting seat 5 top and offers the through hole 62 communicated with needle bar hole 52, and through hole 62 is built-in with and is disposed with lock pin, spring and plug；Lock pin is against the surface of shank 53 under the action of the spring.
Described locking mechanism includes that wire jumper overlaps body 71, wire jumper set body 71 has two and is available for the needle bar hole 52 that shank passes, the front portion of wire jumper set body 71 is provided with lock 72, pin-and-hole 73 that is vertical with needle bar hole 52 and that communicate is opened on lock 72, stop pin 74 it is equipped with in pin-and-hole 73, lock 72 also has and communicates longitudinal locked groove 75 with pin-and-hole 73, in longitudinal locked groove, 75 are articulated with driving arm 76, arm 76 lower end is driven to be flexibly connected with stop pin 74, drive and between upper end and lock 72 top of arm 76, spring 15 is set, spring 15 makes to drive arm 76 that stop pin 74 is applied the active force to needle bar hole 52 activity；Described pin-and-hole 73 sidepiece is provided with lock slots, is articulated with lock cutter 77 in the bottom of lock 72, and the edge of a knife of lock cutter 77 is corresponding with lock slots, and the position of the corresponding lock slots of described stop pin 74 offers draw-in groove 78；The bottom of lock 72 is additionally provided with spring base 79, it is provided with spring 15 between bottom spring base 79 and lock cutter 77, the control mesopore 80 parallel with needle bar hole 52 is had in the centre of described lock 72, it is provided with fore-set 81 in controlling mesopore 80, matching with lock cutter 77 in the lower end of fore-set, matches with removable pin in the upper end of fore-set.
The present invention mainly has three big features:
The first, it is provided with two groups of cloth-dragging wheel devices at presser feet 2 rear, cloth-dragging wheel device coordinates presser feet work, have the advantages that working stability mop is effective, can also be by the upper end of regulation longitudinal rod 25 in the position of output connecting rod 24 adjustment hole 27, changing each rotational steps of cloth-dragging wheel, the differential seat angle rotated by two cloth-dragging wheels realizes the function of camber line sewing.
The second, the lifting of presser feet and cloth-dragging wheel device is united two into one, the second activation lever can be pulled by the most external power set, and then drivening rod and the first activation lever realize presser feet and cloth-dragging wheel device promotes, ensure that presser feet and cloth-dragging wheel device synchronous working, have the advantages that simple in construction is easy to operate.
3rd, the present invention arranges the jumper mechanism of shank inside sewing machine head 1, jumper mechanism is controlled by the electromagnet apparatus 7 arranged outside head, electromagnet apparatus 7 is by removable pin 57 and locking mechanism cooperating, when wherein removable pin 57 coordinates with driving arm 76 upper end, wire jumper set can be made 55 to separate with shank 53, and shank 53 is locked out that the lock pin of mechanism is stuck cannot be movable；And to removable pin 57 coordinate with fore-set 81 time, by fore-set 81, lock cutter 77 is departed from the draw-in groove 78 of stop pin 74, stop pin 74 spring and drive arm 76 promote under again with shank 53 clamping so that normally working under the promotion of Rocker arm 56 with shank 53, it is achieved that the function of wire jumper.
Claims (3)
- null1. a sewing machine cloth-dragging wheel apparatus，Including sewing machine head (1) and presser feet (2)，It is characterized in that: the described sewing machine head back side is provided with cloth-dragging wheel device，Described cloth-dragging wheel device includes casing (11)、Cloth-dragging wheel depression bar (12)、Unidirectional cloth-dragging wheel (13) and linkage，Described casing (11) is connected in the back of sewing machine head (1)，There are two cloth-dragging wheel depression bars (12) be arrangeding in parallel from top to bottom through casing (11)，It is provided with cloth-dragging wheel support (14) in the lower end of every cloth-dragging wheel depression bar (12)，It is provided with unidirectional cloth-dragging wheel (13) on each cloth-dragging wheel support (14)，Cloth-dragging wheel depression bar (12) is socketed with spring (15)，Spring (15) applies downward pressure to cloth-dragging wheel depression bar (12) in being placed in casing (11)；Described unidirectional cloth-dragging wheel includes mop gear (131) and single direction ratchet (132), mop gear (131) is socketed in single direction ratchet (132), single direction ratchet (132) is articulated in cloth-dragging wheel support (14), single direction ratchet (132) couples also by the main shaft that linkage is internal with sewing machine head (1), and double groups of unidirectional cloth-dragging wheels are positioned at the rear of presser feet (2).Described linkage includes swing arm (21), input connecting rod (22), tooth axle box (23), output connecting rod (24), longitudinal rod (25) and drive rod (26), described tooth axle box (23) is connected in the back of sewing machine head (1), two outputs connecting rod (24) it are fixed with on the output shaft of tooth axle box (23), output connecting rod (24) is provided with adjustment hole (27), the upper end of two longitudinal rods (25) is respectively hinged at adjustment hole (27) place of corresponding output connecting rod (24), the lower end of longitudinal rod (25) is hinged with drive rod (26), drive rod (26) other end drives single direction ratchet (132) to rotate；The back side of described sewing machine head (1) is additionally provided with a breach (10), swing arm (21) is connected through the main shaft that this breach and sewing machine head (1) are internal, the free end of swing arm (21) outside is hinged with input connecting rod (22), and input connecting rod (22) is connected with the power shaft of tooth axle box (23)；Rear side at described casing (11) offers upgrading slot (28), has the one end of a lift arm (29) to be connected with cloth-dragging wheel depression bar (12), and the other end of lift arm (29) passes through upgrading slot (28) from casing (11)；The first activation lever (31) and the second activation lever (32) also it is articulated with at the sewing machine head back side, first activation lever (31) and the second activation lever (32) wherein one end are interconnected by connecting rod (33), the output end of the first activation lever (31) is flexibly connected with lift arm (29) by connector (34), and the input of the second activation lever (32) couples with power set.
- 2. a kind of sewing machine cloth-dragging wheel apparatus as claimed in claim 1, it is characterized in that: the input of described the second activation lever (32) is provided with belt wheel (35), described power set are for driving motor, motor output shaft upper shaft is driven to connect a cam, being coupled by belt between cam with belt wheel (35), driving motor to be rotated through cam can move up and down by band movable belt pulley.
- 3. a kind of sewing machine cloth-dragging wheel apparatus as claimed in claim 1, it is characterized in that: described sewing machine head (1) rear side storehouse covers and has loose slot (36), there is a connecting pin (37) through this loose slot (36) by outside connecting rod (33) and pull bar (38) interconnection in storehouse, pull bar (38) is connected with presser feet lifter plate (40) by presser feet activation lever (39), and presser feet lifter plate (40) is connected with presser feet (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610620094.1A CN106400321B (en) | 2014-10-30 | 2014-10-30 | A kind of two-needle sewing machine |
| CN201410593800.9A CN104372533B (en) | 2014-10-30 | 2014-10-30 | A kind of sewing machine cloth-dragging wheel apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593800.9A CN104372533B (en) | 2014-10-30 | 2014-10-30 | A kind of sewing machine cloth-dragging wheel apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610620094.1A Division CN106400321B (en) | 2014-10-30 | 2014-10-30 | A kind of two-needle sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104372533A CN104372533A (en) | 2015-02-25 |
| CN104372533B true CN104372533B (en) | 2016-09-07 |
Family
ID=52551714
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410593800.9A Expired - Fee Related CN104372533B (en) | 2014-10-30 | 2014-10-30 | A kind of sewing machine cloth-dragging wheel apparatus |
| CN201610620094.1A Expired - Fee Related CN106400321B (en) | 2014-10-30 | 2014-10-30 | A kind of two-needle sewing machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610620094.1A Expired - Fee Related CN106400321B (en) | 2014-10-30 | 2014-10-30 | A kind of two-needle sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104372533B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016011557A1 (en) * | 2016-09-26 | 2018-03-29 | Pfaff Industriesysteme Und Maschinen Gmbh | Sewing machine with a puller device |
| CN106835514B (en) * | 2016-10-10 | 2020-07-24 | 阮晨航 | Mop wheel and tooth synchronous adjusting system of lockstitch sewing machine |
| CN106498636B (en) * | 2016-12-21 | 2019-06-04 | 杰克缝纫机股份有限公司 | Big cut-parts separator |
| CN107620171B (en) * | 2017-11-02 | 2020-01-14 | 濮阳黑蚂蚁服饰有限公司 | Overedger with automatic thread end cutting function |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60203293A (en) * | 1984-03-27 | 1985-10-14 | アイシン精機株式会社 | Roller feed apparatus of sewing machine |
| JPH0871276A (en) * | 1994-09-06 | 1996-03-19 | Juki Corp | Work conveying device for sewing machine |
| GB0125288D0 (en) * | 2001-10-20 | 2001-12-12 | Pro Fit Internat | Application of waistband to garments |
| CN100359076C (en) * | 2004-07-16 | 2008-01-02 | 王必斌 | Auxiliary cloth-handling mechanism for sewing machine |
| CN101265640B (en) * | 2007-07-11 | 2011-09-14 | 广州科祺自动化设备有限公司 | Full-automatic button stay sewing machines |
| CN201686824U (en) * | 2010-04-22 | 2010-12-29 | 九牧王股份有限公司 | Cloth dragging device of sewing machine |
| CN201770845U (en) * | 2010-07-02 | 2011-03-23 | 温州市亨泰缝制设备有限公司 | Cloth dragging plate motion mechanism of round head lock buttonhole sewing machine |
| CN203080247U (en) * | 2013-01-10 | 2013-07-24 | 西安标准工业股份有限公司 | Template sewing machine |
| CN203668634U (en) * | 2013-12-31 | 2014-06-25 | 西安标准工业股份有限公司 | Template sewing machine |
| CN204251841U (en) * | 2014-10-30 | 2015-04-08 | 林日长 | The two cloth-dragging wheel device of a kind of Sewing machines |
-
2014
- 2014-10-30 CN CN201410593800.9A patent/CN104372533B/en not_active Expired - Fee Related
- 2014-10-30 CN CN201610620094.1A patent/CN106400321B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106400321B (en) | 2019-03-29 |
| CN106400321A (en) | 2017-02-15 |
| CN104372533A (en) | 2015-02-25 |
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Granted publication date: 20160907 Termination date: 20201030 |