CN110284269A - A kind of presser foot in sewing machine - Google Patents
A kind of presser foot in sewing machine Download PDFInfo
- Publication number
- CN110284269A CN110284269A CN201910642245.7A CN201910642245A CN110284269A CN 110284269 A CN110284269 A CN 110284269A CN 201910642245 A CN201910642245 A CN 201910642245A CN 110284269 A CN110284269 A CN 110284269A
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- CN
- China
- Prior art keywords
- card slot
- presser feet
- locking bail
- presser
- sewing machine
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- 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.)
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides the presser foots in a kind of sewing machine, belong to technical field of sewing machines.It solves the at high cost of presser feet replacement, low efficiency or is conveniently replaceable presser feet but influences the technical problems such as sewing efficiency.Presser foot in sewing machine of the invention, presser feet bottom plate middle part are laterally equipped with baseplate pin, and the lower front part of presser feet handle is provided with card slot one；It is provided with sliding slot on rear side of presser feet handle, is equipped with slidable limit base in sliding slot；Presser feet handle side is hinged with locking bail, and the side of locking bail front end extends internally equipped with hook portion, is provided with card slot two corresponding with card slot one on the inner wall of hook portion；When locking bail clockwise oscillation, card slot two is far from the baseplate pin；When abutting when locking bail counter-clockwise swing to the downside of locking bail rear end and the upper side of limit base, card slot two and card slot one on locking bail are connected to each other and hold baseplate pin tightly.Presser foot in the present invention reduces the cost of presser feet replacement in the case where not influencing sewing efficiency, improves the efficiency of replacement presser feet.
Description
Technical field
The invention belongs to technical field of sewing machines, a kind of be related in sewing machine presser foot.
Background technique
The phenomenon that presser feet is one of important composition of sewing machine, and presser feet just will appear abrasion after a period of use, in order to
Guarantee sewing efficiency, needs to replace presser feet often, usually there are two types of modes for replacement presser feet: first is that by disassembly presser feet screw, it is real
Existing presser feet handle and presser feet bottom plate integral replacing, frequent presser feet screw of dismantling will cause presser bar threaded hole sliding teeth, so as to cause
Being not connected firmly between presser feet and presser bar is leaned on, and replacement cost is very high；Second is that presser feet bottom plate is replaced by disassembly presser feet pin,
This method operate it is very troublesome, replacement presser feet efficiency it is lower.
China's patent (notification number: CN205803781U；The day for announcing: 2016-12-14) disclose a kind of fast demountable
Sewing-machine foot, presser feet are made of plastic material, are equipped with opening at the top of presser feet at the top of the pin hole of interconnecting piece, can be with by opening
Facilitate and is dismounted between the hinge hole of presser feet and the pin shaft of presser feet handle.
The sewing-machine foot of fast demountable disclosed in above patent document, although can be realized quick-replaceable pressing sole
Plate, but the pin hole with opening on the pin shaft and presser feet of presser feet handle is hinged, when sewing machine works, the stability of presser feet is poor,
It will affect the sewing efficiency of sewing machine.
Summary of the invention
The present invention addresses the above problems in the prior art, provides the presser foot in a kind of sewing machine, the present invention
The technical problem to be solved is that: how in the case where not influencing sewing efficiency improve presser feet replacement convenience, drop simultaneously
The cost of low replacement presser feet.
Object of the invention can be realized by the following technical scheme:
A kind of presser foot in sewing machine, including presser feet handle and presser feet bottom plate, which is characterized in that the presser feet bottom plate
Upper middle side part is laterally equipped with the baseplate pin, and the lower front part of the presser feet handle is provided with card slot one；The rear side of the presser feet handle
It is provided with lateral sliding slot, is equipped with the limit base that can be reciprocatingly slided along the track length direction in the sliding slot；The presser feet handle
Locking bail is hinged on the side of side, the locking bail can have and the card around hinged spot wobble, one end of the locking bail
The corresponding card slot two of slot one and the card slot one and card slot two surround armful folder hole being capable of forming for clamping the baseplate pin；
The other end downside of the locking bail can be abutted against with the upper side of the limit base.
In the presser foot in above-mentioned sewing machine, the top of the presser feet handle is connected with vertically arranged presser bar,
The side of the locking bail front end extends internally equipped with hook portion, and the card slot two is located on the inner wall of the hook portion；The presser feet
Baseplate pin on bottom plate is placed in the card slot one, and when the locking bail clockwise oscillation, the card slot two is far from the bottom
Plate pin；When the downside of the locking bail counter-clockwise swing to the locking bail rear end is abutted with the upper side of the limit base
When, card slot two and the card slot one on the locking bail are connected to each other and hold the baseplate pin tightly.
Its working principles are as follows: being to reduce presser feet replacement by the way of replacing presser feet bottom plate in the technical program
Cost；The lower front part of presser feet handle is provided with card slot one, is provided with card slot two on locking bail, counter-clockwise swing locking bail, locking bail
When rear end is swung to above sliding slot, limit base is skidded off from sliding slot, is kept out on the downside of the rear end of locking bail, locking
Card slot two on hook, which will be connected on the outer peripheral surface of baseplate pin and embrace with card slot one, clips baseplate pin, and baseplate pin is in working condition
It will not loosen, will not influence sewing efficiency, when needing replacing presser feet bottom plate, limit base is promoted in sliding slot, clockwise oscillation lock
The card slot two of tight hook, locking bail can be far from card slot one, so that it may presser feet bottom plate taken out, replacement presser feet bottom plate is very convenient,
Such presser foot improves the convenience of replacement presser feet.
In the presser foot in above-mentioned sewing machine, one end of the sliding slot is bolted with fastening screw, the limit base
Reset spring one is provided between fastening screw.Using the retractility of reset spring convenient for sliding limit base, to replace presser feet
It provides convenience.
In the presser foot in above-mentioned sewing machine, the limit base include clamping joint and with clamping joint one at
The shifting block of type, the clamping joint are positioned in the chute, and the shifting block is extend out to by the clamping joint periphery towards side described
Outside presser feet handle.The clamping joint of limit base is located in sliding slot, and shifting block is located at outside presser feet handle, convenient for stirring limit base.
In the presser foot in above-mentioned sewing machine, it is additionally provided with positive stop lug boss on presser feet handle side and is located at institute
The spacer pin of positive stop lug boss obliquely downward is stated, the rear end of the locking bail is between the positive stop lug boss and spacer pin, the limit
Position boss is located at the top of the sliding slot；Have on the positive stop lug boss and be vertically provided with reset spring two, after the locking bail
Groove is provided on the upper side at end, one end of the reset spring two is located in the groove, and the other end is resisted against the limit
On boss.It is provided with positive stop lug boss and spacer pin on presser feet handle, for limiting the amplitude of locking bail swing, when locking bail is swung
When, locking bail is rocked to the downside that rear upper side face paste leans against positive stop lug boss, at this time card slot two just with one clamping bottom of card slot
Plate pin；Locking bail is rocked to downside and when spacer pin abuts against, and card slot two is far from baseplate pin, the rear inside of locking bail at this time
Face can also abut limit base, be located at limit base in sliding slot, the setting of reset spring two so that locking bail in reset spring two
Elastic force act on lower clockwise oscillation, convenient for the replacement of presser feet bottom plate, locking bail rear upper side face is provided with groove, reset spring one
Lower end can be connected in groove, be convenient for fixed reset spring one, while extending the service life of reset spring one.
In the presser foot in above-mentioned sewing machine, one end of the inner wall of the groove is arc surface and the other end is to incline
Inclined-plane obliquely.The section of reset spring one is circle, and one end of groove inner wall is equipped with arc surface, can be with reset spring side
Fitting is convenient for position reset spring when locking state to reset when the other end of the inner wall of groove is that inclined-plane swings convenient for locking bail
Spring acts on locking bail always.
In the presser foot in above-mentioned sewing machine, distinguish on the presser feet handle positioned at the two sides up and down of the card slot one
Equipped with the convex block one and convex block two outwardly protruded, the baseplate pin can be placed between the convex block one and convex block two；The lock
Determine to be provided with perforative notch up and down among the hook portion of hook, the convex block one and convex block two can be connected in the notch.In card
Convex block one and convex block two are set on slot one convenient for positioning presser feet bottom plate, notch is provided in the hook portion of lock hook convenient under locking state
It is embedded in convex block one and convex block two.
In the presser foot in above-mentioned sewing machine, the locking bail side is set close to the position of the locking bail rear end
It is outward extended with extension arm.The setting of extension arm be convenient for hand swing locking bail, avoid replacement presser feet when operator hand by
Wound.
In the presser foot in above-mentioned sewing machine, the locking bail is mutually cut with scissors with the presser feet handle by axial screw
It connects, the axial screw is threaded through the middle part of the locking bail, and the spacer pin is located at the rear of the axial screw.Locking bail
It raises upward from middle part to rear end, the rear that spacer pin is located at axial screw is convenient for locking bail being located in reasonable hunting range
It is interior.
In the presser foot in above-mentioned sewing machine, the card slot one be semi-circular groove, the upper end of the card slot two with
The upper end of the card slot one is connected to each other, and the lower end of the card slot two is located at the lower section of one lower end of card slot and is connected to the pressure
On the side wall of foot handle.The area of section of card slot two is greater than the area of section of card slot one, and the lower end of card slot two is in card slot one
The lower section of lower end when such presser foot is in open configuration, makes card slot two and card slot one and baseplate pin facilitate disengaging.
In the presser foot in above-mentioned sewing machine, the downside of the locking bail rear end has against plane one, described
On the clamping joint of limit base have with it is described against plane one lean against plane two.Locking bail against platform one and card
Connector is abutted against against platform two, it is possible to reduce the abrasion of locking bail and limit base.
Compared with prior art, the invention has the following advantages that
1, presser foot utilizes the mutual cooperation between self structure and locking bail, limit base, locking state in the present invention
When presser feet work normally, will not influence sewing efficiency, open configuration can take out presser feet bottom plate, when presser feet needs replacing, replacement
Presser feet bottom plate is very convenient, improves the convenience of replacement presser feet, and reduces the cost of presser feet replacement.
2, the present invention in presser foot setting have positive stop lug boss, spacer pin, reset spring one, the second-class restriction of reset spring
The hunting range of locking bail is also provided convenience for replacement presser feet bottom plate.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this presser foot.
Fig. 2 is the perspective view of the explosion of this presser foot.
The structural schematic diagram when locking bail and presser feet handle that Fig. 3 is this presser foot are in locking state.
The structural schematic diagram when locking bail and presser feet handle that Fig. 4 is this presser foot are in open configuration.
Fig. 5 is the structural schematic diagram one of the locking bail in this presser foot.
Fig. 6 is the structural schematic diagram two of the locking bail in this presser foot.
Fig. 7 is the structural schematic diagram of the limit base in this presser foot.
In figure, 1, presser feet handle；101, card slot one；102, sliding slot；103, positive stop lug boss；104, convex block one；105, convex block two；
2, presser feet bottom plate；3, presser bar；4, baseplate pin；5, limit base；501, clamping joint；502, shifting block；503, against plane two；6, it locks
Tight hook；601, hook portion；601a, card slot two；601b, notch；602, groove；603, extension arm；604, against plane one；7, it fastens
Screw；8, reset spring one；9, spacer pin；10, reset spring two；11, axial screw.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figures 1 to 4, the presser foot in the sewing machine of the present embodiment includes presser feet handle 1 and presser feet bottom plate 2, pressure
The top of foot handle 1 is connected with presser bar 3 and lower end is rotatably connected to presser feet bottom plate 2, and the middle part of presser feet bottom plate 2 is laterally equipped with bottom
Plate pin 4, the lower front part of presser feet handle 1 are provided with lateral card slot 1, and card slot 1 is connected on the outer peripheral surface of baseplate pin 4,
Be provided with lateral sliding slot 102 in the rear end of presser feet handle 1, be equipped in sliding slot 102 can 102 length direction sliding along the chute limit
Seat 5, one end of sliding slot 102 is bolted with fastening screw 7, and reset spring 1, presser feet have been abutted between limit base 5 and fastening screw 7
Locking bail 6 is hinged with by axial screw 11 on the side side of handle 1, the front end side side of locking bail 6 extends internally in hook
Portion 601 is provided with card slot two 601a opposite with card slot 1, card slot 1 and two 601a of card slot on the medial surface of hook portion 601
Surround armful folder hole being capable of forming for clamping baseplate pin 4；Be additionally provided on presser feet handle 1 positive stop lug boss 103 and with positive stop lug boss 103
Oblique spaced spacer pin 9, for locking bail 6 between positive stop lug boss 103 and spacer pin 9, positive stop lug boss 103 is higher than limit
Pin 9, spacer pin 9 are located at the rear of axial screw 11, and the rear end side side of locking bail 6 is outward extended with extension arm 603, works as seam
When machine presser feet of threading works normally, the rear upper side face of locking bail 6 is connected on positive stop lug boss 103 and downside and limit base 5
Upper side abuts against, and two 601a of card slot of locking bail 6 and the card slot 1 of presser feet handle 1 are connected to each other and embrace and clip baseplate pin 4, when
When needing replacing presser feet bottom plate 2, limit base 5 is promoted in sliding slot 102,6 clockwise oscillation of locking bail to downside is connected to limit
On the pin 9 of position, two 601a of card slot in opened condition, that is, can be taken off pressing sole plate 2 more far from baseplate pin 4, presser feet handle 1 and locking bail 6
Presser feet is changed, after new presser feet bottom plate 2 has been replaced, baseplate pin 4 is located in card slot 1 at this time, and hand is pinched extension arm 603 and will be locked
6 counter-clockwise swing of hook to rear upper side face is connected on spacing block set, bullet under the action of reset spring 1 of part limit base 5
Sliding slot 102 is connected on 6 rear end downside of locking bail out, and presser feet handle 1 and locking bail 6 are in locking state.
Further, as shown in Figure 2 and Figure 4, the centre of the two sides up and down of the card slot 1 of presser feet handle 1 be respectively equipped with to
The convex block 1 and convex block 2 105 of outer protrusion, baseplate pin 4 is between convex block 1 and convex block 2 105；The hook of locking bail 6
Perforative notch 601b up and down is provided among portion 601, when presser feet handle 1 and locking bail 6 are in locking state, one 104 He of convex block
Convex block 2 105 is embedded in the notch 601b of hook portion 601；Card slot 1 is semi-circular groove, and the area of section of two 601a of card slot is greater than
The area of section of card slot 1 is connected to each other on the upside of the upside of card slot 1 and two 601a of card slot, the downside of two 601a of card slot
Positioned at card slot 1 lower side-lower and be connected on the front end side of presser feet handle 1, convenient for two 601a of card slot be detached from baseplate pin 4.
Further, as shown in figure 5 and figure 7, limit base 5 divides for 502 two parts of clamping joint 501 and shifting block, card interface and
Shifting block 502 is to be integrally formed setting, and clamping joint 501 is located in sliding slot 102, and one end of shifting block 502 is fixed in outside clamping joint 501
The side of circumferential surface, shifting block 502 are extend out to outside presser feet handle 1 by the side of the outer peripheral surface of clamping joint 501；The downside of 6 rear end of locking bail
Face be against plane 1, the clamping joint 501 of limit base 5 be equipped with against plane 1 lean against plane two
503, limit base 5 is not only conveniently stirred in the design in this way of limit base 5, but also can reduce the abrasion of limit base 5.
Further, as shown in Figure 2, Figure 5 and Figure 6, spacing block set is equipped with reset spring 2 10, on 6 rear end of locking bail
Side is provided with groove 602, and one end of reset spring 2 10 is connected in groove 602 and the other end is connected on spacing block set, this
Just locking bail 6 is swung sample prescription, and one end of the inner wall of groove 602 is arc surface and the other end is the inclined-plane tilted down, convenient for multiple
Position spring 2 10 has enough screen resiliences to drive 6 clockwise oscillation of locking bail in locking bail 6 and positive stop lug boss 103.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. the presser foot in a kind of sewing machine, including presser feet handle (1) and presser feet bottom plate (2)；It is characterized in that, the pressing sole
The upper middle side part of plate (2) is laterally equipped with baseplate pin (4), and the lower front part of the presser feet handle (1) is provided with card slot one (101)；Institute
It states and is provided on rear side of presser feet handle (1) lateral sliding slot (102), being equipped in the sliding slot (102) can be along the sliding slot (102) length
The limit base (5) that direction reciprocatingly slides；It is hinged with locking bail (6) on presser feet handle (1) the side side, the locking bail (6)
One end there is card slot two (601a) corresponding with the card slot one (101) and the card slot one (101) and card slot two
(601a) surrounds armful folder hole being capable of forming for clamping the baseplate pin (4)；The other end downside energy of the locking bail (6)
Enough upper sides with the limit base (5) abut against.
2. the presser foot in sewing machine according to claim 1, which is characterized in that one end spiral shell of the sliding slot (102)
It is connected to fastening screw (7), is provided with reset spring one (8) between the limit base (5) and fastening screw (7).
3. the presser foot in sewing machine according to claim 2, which is characterized in that the limit base (5) includes clamping
Head (501) and with the clamping joint (501) integrally formed shifting block (502), the clamping joint (501) is located at the sliding slot
(102) in, the shifting block (502) extend out to the presser feet handle (1) outside towards side by the clamping joint (501) periphery.
4. the presser foot in sewing machine according to claim 1 or 2 or 3, which is characterized in that presser feet handle (1) side
It is additionally provided with positive stop lug boss (103) on face and is located at the spacer pin (9) of the positive stop lug boss (103) obliquely downward, the locking bail
(6) side of front end extends internally equipped with hook portion (601), and the card slot two (601a) is located on the inner wall of the hook portion (601)；
Between the positive stop lug boss (103) and spacer pin (9), the positive stop lug boss (103) is located at for the rear end of the locking bail (6)
The top of the sliding slot (102)；Have on the positive stop lug boss (103) and is vertically provided with reset spring two (10), the locking
It being provided with groove (602) on the upper side of hook (6) rear end, one end of the reset spring two (10) is located in the groove (602),
The other end is resisted against on the positive stop lug boss (103).
5. the presser foot in sewing machine according to claim 4, which is characterized in that the inner wall of the groove (602)
One end is arc surface and the other end is inclined-plane diagonally downward.
6. the presser foot in sewing machine according to claim 5, which is characterized in that be located at institute on the presser feet handle (1)
The two sides up and down for stating card slot one (101) are respectively equipped with the convex block one (104) and convex block two (105) outwardly protruded, the baseplate pin
(4) it can be placed between the convex block one (104) and convex block two (105)；It is provided among the hook portion (601) of the locking bail (6)
Upper and lower perforative notch (601b), the convex block one (104) and convex block two (105) can be connected in the notch (601b).
7. the presser foot in sewing machine according to claim 6, which is characterized in that locking bail (6) side is close
The position of locking bail (6) rear end is equipped with and is outward extended with extension arm (603).
8. the presser foot in sewing machine according to claim 7, which is characterized in that the locking bail (6) and the pressure
Foot handle (1) is hinged by axial screw (11), and the axial screw (11) is threaded through the middle part of the locking bail (6), described
Spacer pin (9) is located at the rear of the axial screw (11).
9. the presser foot in sewing machine according to claim 8, which is characterized in that the card slot one (101) is semicircle
Shape slot, the upper end of the card slot two (601a) and the upper end of the card slot one (101) are connected to each other, under the card slot two (601a)
End is located at the lower section of card slot one (101) lower end and is connected on the side wall of the presser feet handle (1).
10. the presser foot in sewing machine according to claim 9, which is characterized in that under locking bail (6) rear end
Side has and has with described in plane one (604), the clamping joint (501) of the limit base (5) against plane one (604) phase
Against against plane two (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642245.7A CN110284269B (en) | 2019-07-16 | 2019-07-16 | Presser foot structure in sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642245.7A CN110284269B (en) | 2019-07-16 | 2019-07-16 | Presser foot structure in sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110284269A true CN110284269A (en) | 2019-09-27 |
| CN110284269B CN110284269B (en) | 2021-06-25 |
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ID=68023061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910642245.7A Active CN110284269B (en) | 2019-07-16 | 2019-07-16 | Presser foot structure in sewing machine |
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| Country | Link |
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| CN (1) | CN110284269B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973508A (en) * | 1973-12-11 | 1976-08-10 | Janome Sewing Machine Co. Ltd. | Sewing machine zipper foot |
| US4492173A (en) * | 1982-08-23 | 1985-01-08 | Kohshin Seimitsu Kikai Kabushiki Gaisha | Detachable pressure foot with solenoid actuated securing device |
| CN202144550U (en) * | 2011-06-24 | 2012-02-15 | 浙江万维机械有限公司 | Detachable presser foot assembly of sewing machine |
| CN203834140U (en) * | 2014-04-18 | 2014-09-17 | 新杰克缝纫机股份有限公司 | Novel sewing machine presser foot |
| CN204039698U (en) * | 2014-09-25 | 2014-12-24 | 浙江万维机械有限公司 | A kind of detachable presser feet of Sewing machines |
| CN208201306U (en) * | 2018-05-25 | 2018-12-07 | 浙江万维机械有限公司 | Detachable presser feet |
-
2019
- 2019-07-16 CN CN201910642245.7A patent/CN110284269B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973508A (en) * | 1973-12-11 | 1976-08-10 | Janome Sewing Machine Co. Ltd. | Sewing machine zipper foot |
| US4492173A (en) * | 1982-08-23 | 1985-01-08 | Kohshin Seimitsu Kikai Kabushiki Gaisha | Detachable pressure foot with solenoid actuated securing device |
| CN202144550U (en) * | 2011-06-24 | 2012-02-15 | 浙江万维机械有限公司 | Detachable presser foot assembly of sewing machine |
| CN203834140U (en) * | 2014-04-18 | 2014-09-17 | 新杰克缝纫机股份有限公司 | Novel sewing machine presser foot |
| CN204039698U (en) * | 2014-09-25 | 2014-12-24 | 浙江万维机械有限公司 | A kind of detachable presser feet of Sewing machines |
| CN208201306U (en) * | 2018-05-25 | 2018-12-07 | 浙江万维机械有限公司 | Detachable presser feet |
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| Publication number | Publication date |
|---|---|
| CN110284269B (en) | 2021-06-25 |
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Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |