CN205839325U - A kind of needle gage governor motion of sewing machine - Google Patents
A kind of needle gage governor motion of sewing machine Download PDFInfo
- Publication number
- CN205839325U CN205839325U CN201620580382.4U CN201620580382U CN205839325U CN 205839325 U CN205839325 U CN 205839325U CN 201620580382 U CN201620580382 U CN 201620580382U CN 205839325 U CN205839325 U CN 205839325U
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- Prior art keywords
- motor
- needle gage
- sewing machine
- travelling gear
- governor motion
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Abstract
This utility model provides the needle gage governor motion of a kind of sewing machine, belongs to sewing machine technique field.The needle gage governor motion it solving existing sewing machine is not sufficiently stable, the problem that precision is low.Originally thread the needle gage governor motion of machine, sewing machine includes base, needle gage governor motion includes motor, installing plate and power transmission shaft, installing plate is connected on base, offer installing hole one and installing hole two the most respectively, the motor shaft of motor turns through installing hole one, it is fixed with travelling gear one in the end that motor shaft stretches out, drive axis is connected in installing hole two, one end of power transmission shaft is fixedly connected with swing seat, the other end stretches out installing hole two, and it is fixed with travelling gear two in the end stretched out, travelling gear two is in sector, and travelling gear two is meshed with travelling gear one.The needle gage governor motion of this sewing machine is higher to the degree of regulation of needle gage, and processing cost is lower.
Description
Technical field
This utility model belongs to sewing machine technique field, relates to the needle gage governor motion of a kind of sewing machine.
Background technology
Sewing machine is to use one or more sewing thread, forms one or more stitchings on sewing, makes one or more layers stitch
The machine that material interweaves or unites by a seam, sewing function sews fabric and leather, plastics, the paper such as cotton, fiber crops, silk, hair, staple fibre
Deng goods, the stitching neat appearance stitched out, smooth firmly, sewing velocity is fast, easy to use.Sewing machine in use needs
Needle gage is adjusted, and the regulative mode for needle gage is more, as by bidding quotation assembly, electric magnet, motor etc., as China is real
A kind of step motor drive needle gage governor motion that utilizes is disclosed with new patent application (application number: 201420493668.X)
Sewing machine, including head and cloth feeding mechanism, the bottom of described head is provided with motor and falls along seam drive shaft, falls and drives along seam
Moving axis is connected with cloth feeding mechanism, has drive shaft, described motor and suitable seam of falling and be provided with between drive shaft in motor
Change gear mechanism；Described change gear mechanism includes driving gear and the driven gear of external toothing, and described driving gear is positioned at
The end of drive shaft, driven gear is positioned at down along seam driveshaft end.But owing to the distance of needle gage regulation is small, and contrast literary composition
Two gears in part are separately mounted on different carriers, and the position relationship between two gears directly affects needle gage regulation
Precision, therefore said structure needs repeatedly to debug and adjust the position of motor and gear, installs and more bothers, and owing to installing
Position is not sufficiently stable, and long-time use will affect degree of regulation.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that the needle gage of a kind of sewing machine is adjusted
Joint mechanism, the needle gage governor motion of this sewing machine is higher to the degree of regulation of needle gage, and processing cost is lower.
The purpose of this utility model can be realized by following technical proposal: the needle gage governor motion of a kind of sewing machine, seam
The machine of threading includes base, and described base is rotatably connected to cloth pushing shaft, is also hinged with swing seat, before described cloth pushing shaft on base
End be connected with feed dog, rear end is connected with swing seat, it is characterised in that described needle gage governor motion include motor,
Installing plate and power transmission shaft, described installing plate is connected on base, offers installing hole one and installing hole two the most respectively,
Described motor is connected on installing plate side, and the motor shaft of motor turns through installing hole one, at motor-shaft extending
The end gone out is fixed with travelling gear one, and described drive axis is connected in installing hole two, and power transmission shaft and motor
Motor shaft is parallel, and one end of described power transmission shaft is fixedly connected with swing seat, and the other end stretches out installing hole two, and in the end stretched out
Being fixed with travelling gear two, described travelling gear two is in sector, and travelling gear two is meshed with travelling gear one.
Installing plate is flat board, and installing hole one and installing hole two are pre-machined out before the mounting, therefore, it is possible to ensure to install
The precision of the spacing of hole one and installing hole two, is then fixed on installing plate on base, and power transmission shaft passes installing hole two so that
Power transmission shaft and installing hole two have higher axiality, and the motor shaft of motor passes installing hole two, and motor is straight simultaneously
Connect and fix on a mounting board, form overall structure with installing plate so that motor shaft and installing hole one have higher axiality, because of
This this needle gage governor motion have only to when processing installing plate to ensure installing hole one and installing hole two axial line the depth of parallelism and
Distance just can accurately control the gear ratio between travelling gear one and travelling gear two and transmission stability, thus improves pin
Away from degree of regulation, it is not necessary to repeatedly install, debug motor and power transmission shaft, simplifying installation and debugging operation, reduction is processed into
This, further, owing to travelling gear two is processed into sector, overall weight diminishes, and rotary inertia when therefore rotating is little, rotates
Angle ambiguity is more accurate, and the most fan-shaped travelling gear two makes overall volume less, and the installation limited at sewing machine is empty
In can reasonably arrange the gear ratio between travelling gear one and travelling gear two, and then improve transmission accuracy.
In the needle gage governor motion of above-mentioned sewing machine, described base offers fixing hole, described installing plate side
On vertically there is fixed cover, this fixed cover and installing hole two concentric are arranged, and described fixed cover is fixedly plugged in the fixing of base
In hole, described drive axis is located in fixed cover, and power transmission shaft and fixed cover interference fits.Fixed cover is tightly fixed
In fixing hole so that installing plate is fixed on base, fixed cover is for keeping stablizing of power transmission shaft simultaneously, and improves power transmission shaft
Installation accuracy so that there is between power transmission shaft and installing hole two higher axiality.
In the needle gage governor motion of above-mentioned sewing machine, described installing plate side offers the locating slot of circle, should
Locating slot is arranged with installing hole one concentric, and the end face of described motor has the positioning boss of circle, this positioning boss
Arranging with motor shaft concentric, described positioning boss is plugged in locating slot, and the periphery wall of positioning boss and locating slot cell wall
Interference fits.Locating slot is for positioning the position of motor so that motor is firmly fixed rear motor axle and installing hole
One has higher axiality, finally makes motor shaft and power transmission shaft have the higher depth of parallelism, and distance controlling is more accurate,
Ensure travelling gear one and the gear ratio of travelling gear two.
In the needle gage governor motion of above-mentioned sewing machine, the end face of described motor is affixed with the side of installing plate
Lean on, and motor is fixedly connected with by screw with installing plate.Make between motor and installing plate is fixing more stable, with
Time by the mutual restriction between motor end face and installing plate side, it is ensured that coaxial between motor shaft with installing hole one
Degree.
In the needle gage governor motion of above-mentioned sewing machine, the side of described travelling gear two offers loss of weight breach,
Described loss of weight breach is sector.Loss of weight breach reduces the weight of travelling gear two further, thus reduces rotary inertia, improves and turns
The precision of dynamic angle.
In the needle gage governor motion of above-mentioned sewing machine, the radius of described travelling gear two is the radius of travelling gear one
4～6 times.Travelling gear one is less, and travelling gear two is relatively big, travelling gear two when therefore travelling gear one rotates set angle
The angle rotated is less, and precision is higher, and the minimum angles that this motor band nutating gear one selects is 1.8 °, i.e. passes through
200 steps realize travelling gear one and rotate a circle, simultaneously because use the travelling gear two of sector structure so that travelling gear two exists
Reach bigger radius in the case of sewing machine installing space is less, thus improve gear ratio so that the narrow spacing of needle gage regulation
From reaching 0.08mm, needle gage degree of regulation is high.
In the needle gage governor motion of above-mentioned sewing machine, on the side of described travelling gear one, wound motor axle has ring
The limit convex edge of shape, described limit convex is along leaning with installing plate side.Travelling gear one is force application part, needs bigger steady
Qualitative, therefore by limit convex along against installing plate side so that travelling gear one keeps stable, improves degree of regulation.
In the needle gage governor motion of above-mentioned sewing machine, described Its lower side face is fixed with gear box cover, above-mentioned peace
Dress plate is positioned at the outside of base and gear box cover, and on described gear box cover downside, indent forms mounting groove, above-mentioned motor
Top be positioned at mounting groove.Installing plate is arranged on the outside of base and gear box cover, increases travelling gear one He as far as possible
The installing space of travelling gear two, increases both gear ratios, improves needle gage degree of regulation.
In the needle gage governor motion of above-mentioned sewing machine, described gear box cover is fixed with case, above-mentioned motor
Bottom be positioned at case, the side of described case has a cover plate relative with installing plate side, described travelling gear one and passing
Moving gear two is between installing plate side and cover plate side.Travelling gear one and travelling gear two can be sealed by case
Lid, it is to avoid foreign materials away travelling gear one and travelling gear two, and then ensure transmission stability.
In the needle gage governor motion of above-mentioned sewing machine, described swing seat takes the shape of the letter U, the end of above-mentioned power transmission shaft and swing
The side of seat is fixedly connected with, and the two ends inwall of described swing seat is all hinged with oscillating deck, described cloth pushing shaft is fixed with needle gage bent
Handle, described oscillating deck is hinged with needle gage crank.Motor coordinates drive power transmission shaft to rotate by gear, power transmission shaft band movable pendulum
Dynamic seat swings, and then by oscillating deck and needle gage crank, cloth pushing shaft is rotated, it is achieved needle gage regulates.
Compared with prior art, the needle gage governor motion of this sewing machine has the advantage that
1, owing to offering installing hole one and installing hole two on same installing plate, therefore, it is possible to ensure installing hole one and install
The precision of the spacing in hole two, power transmission shaft passes installing hole two so that power transmission shaft and installing hole two have higher axiality, step
Enter the motor shaft of motor through installing hole two so that motor shaft and installing hole one have higher axiality, and therefore this needle gage is adjusted
Joint mechanism has only to when processing installing plate ensure that installing hole can once the depth of parallelism and distance with installing hole two axial line
Accurately control the gear ratio between travelling gear one and travelling gear two and transmission stability, thus improve needle gage regulation essence
Degree.
2, due to installing hole two power transmission shaft is positioned, a pair motor shaft of installing hole positions, therefore without repeatedly
Install, debug motor and power transmission shaft, simplify installation and debugging operation, reduce processing cost.
3, being processed into sector due to travelling gear two, overall weight diminishes, and rotary inertia when therefore rotating is little, angle of rotation
Spending and control more accurately, the most fan-shaped travelling gear two makes overall volume less, at the installing space that sewing machine is limited
In can reasonably arrange the gear ratio between travelling gear one and travelling gear two, and then improve transmission accuracy.
Accompanying drawing explanation
Fig. 1 is the perspective view of needle gage governor motion.
Fig. 2 is the structure sectional view of needle gage governor motion.
Fig. 3 is the schematic enlarged-scale view in Fig. 2 at A.
Fig. 4 is the schematic enlarged-scale view in Fig. 1 at B.
Fig. 5 is the perspective view of installing plate.
Fig. 6 is the perspective view of motor.
Fig. 7 is the sectional perspective structural representation of sewing machine.
Fig. 8 is the partial structurtes side view of sewing machine.
In figure, 1, base；11, cloth pushing shaft；111, needle gage crank；12, swing seat；121, oscillating deck；13, feed dog；14、
Fixing hole；2, motor；21, motor shaft；22, positioning boss；3, installing plate；31, installing hole one；32, installing hole two；33、
Fixed cover；34, locating slot；4, power transmission shaft；5, travelling gear one；51, limit convex edge；6, travelling gear two；61, loss of weight breach；
7, gear box cover；71, mounting groove；8, case；81, cover plate.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the needle gage governor motion of a kind of sewing machine, sewing machine includes base 1, base 1
On be rotatably connected to cloth pushing shaft 11, base 1 is also hinged with swing seat 12, the front end of cloth pushing shaft 11 is connected with feed dog 13
Connecing, rear end is connected with swing seat 12, and needle gage governor motion includes motor 2, installing plate 3 and power transmission shaft 4, and installing plate 3 is solid
Being connected on base 1, offer installing hole 1 and installing hole 2 32 on installing plate 3 respectively, motor 2 is connected in installing plate
On 3 sides, and the motor shaft 21 of motor 2 turns through installing hole 1, and the end stretched out at motor shaft 21 is fixed with biography
Moving gear 1, power transmission shaft 4 is rotatably connected in installing hole 2 32, and power transmission shaft 4 is paralleled with the motor shaft 21 of motor 2,
One end of power transmission shaft 4 is fixedly connected with swing seat 12, and the other end stretches out installing hole 2 32, and is fixed with driving cog in the end stretched out
Taking turns 26, travelling gear 26 is in sector, and travelling gear 26 is meshed with travelling gear 1, and installing plate 3 is flat board, is installing
Installing hole one 31 and installing hole two 32 are pre-machined out, therefore, it is possible to ensure installing hole 1 and the spacing of installing hole 2 32 before
From precision, then installing plate 3 is fixed on base 1, power transmission shaft 4 is through installing hole 2 32 so that power transmission shaft 4 and installing hole
2 32 have higher axiality, and the motor shaft 21 of motor 2 is through installing hole 2 32, and motor 2 is directly fixed simultaneously
On installing plate 3, form overall structure with installing plate 3 so that motor shaft 21 and installing hole 1 have higher axiality, because of
This this needle gage governor motion has only to ensure the depth of parallelism of installing hole 1 and installing hole 2 32 axial line when processing installing plate 3
And distance just can accurately control the gear ratio between travelling gear 1 and travelling gear 26 and transmission stability, thus
Improve needle gage degree of regulation, it is not necessary to repeatedly install, debug motor 2 and power transmission shaft 4, simplify installation and debugging operation, fall
Low processing cost, further, owing to travelling gear 26 is processed into sector, overall weight diminishes, and rotation when therefore rotating is used to
Measuring little, rotational angle controls more accurate, and the most fan-shaped travelling gear 26 makes overall volume less, has at sewing machine
Can reasonably arrange the gear ratio between travelling gear 1 and travelling gear 26 in the installing space of limit, and then improve transmission
Precision, in the present embodiment, travelling gear 1 and travelling gear 26 are respectively positioned on the rear end of motor 2, certainly processed in reality
Travelling gear 1 and travelling gear 26 can also be arranged on the front end of motor 2, the i.e. motor shaft of motor 2 by journey
21 towards the front end of base 1.
Specifically, shown in Fig. 5, Fig. 6, base 1 offering fixing hole 14, installing plate 3 vertically has on side
Fixed cover 33, this fixed cover 33 is arranged with installing hole 2 32 concentric, and fixed cover 33 is plugged on base 1 by being tightly fixed
In fixing hole 14 so that installing plate 3 is fixed on base 1, power transmission shaft 4 rotates and is located in fixed cover 33, and power transmission shaft 4 is with solid
Surely overlap 33 interference fits, for keeping stablizing of power transmission shaft 4, and improve the installation accuracy of power transmission shaft 4 so that power transmission shaft 4 and peace
Dress has higher axiality between hole 2 32.The locating slot 34 of circle is offered, this locating slot 34 and peace on installing plate 3 side
Dress hole 1 concentric is arranged, and the end face of motor 2 has the positioning boss 22 of circle, this positioning boss 22 and motor shaft
21 concentrics are arranged, and positioning boss 22 is plugged in locating slot 34, and the periphery wall of positioning boss 22 and locating slot 34 cell wall mistake
Crossing cooperation, locating slot 34 is for positioning the position of motor 2 so that motor 2 is firmly fixed rear motor axle 21 and peace
Dress hole 1 has higher axiality, finally makes motor shaft 21 and power transmission shaft 4 have the higher depth of parallelism, and distance controlling
More accurate, it is ensured that travelling gear 1 and the gear ratio of travelling gear 26.The end face of motor 2 and the side of installing plate 3
Recline mutually, and motor 2 is fixedly connected with by screw with installing plate 3 so that fixing more between motor 2 and installing plate 3
Add stable, simultaneously by the mutual restriction between motor 2 end face and installing plate 3 side, it is ensured that motor shaft 21 and installing hole
Axiality between one 31.
Offering loss of weight breach 61 on the side of travelling gear 26, loss of weight breach 61, in sector, reduces driving cog further
Take turns the weight of 26, thus reduce rotary inertia, improve the precision of rotational angle.The radius of travelling gear 26 is travelling gear one
5 times of the radius of 5, travelling gear 1 is less, and travelling gear 26 is relatively big, and therefore travelling gear 1 passes when rotating set angle
The angle that moving gear 26 rotates is less, and precision is higher, and the minimum angles that this motor 2 band nutating gear 1 selects is
1.8 °, i.e. realize travelling gear 1 by 200 steps and rotate a circle, simultaneously because use the travelling gear 26 of sector structure, make
Obtain the radius that travelling gear 26 reaches bigger in the case of sewing machine installing space is less, thus improve gear ratio so that pin
Minimum range away from regulation reaches 0.08mm, and needle gage degree of regulation is high.On the side of travelling gear 1, wound motor axle 21 has
The limit convex of annular is along 51, and limit convex leans along 51 with installing plate 3 side, and travelling gear 1 is force application part, needs bigger
Stability, therefore by limit convex along 51 against installing plate 3 side so that travelling gear 1 keeps stable, improve regulation essence
Degree.
Shown in Fig. 7, Fig. 8, base 1 downside being fixed with gear box cover 7, installing plate 3 is positioned at base 1 and gear-box
The outside of lid 7, on gear box cover 7 downside, indent forms mounting groove 71, and the top of motor 2 is positioned at mounting groove 71, will
Installing plate 3 is arranged on base 1 and the outside of gear box cover 7, increases travelling gear 1 and the installation of travelling gear 26 as far as possible
Space, increases both gear ratios, improves needle gage degree of regulation.Case 8, the bottom of motor 2 it is fixed with on gear box cover 7
Being positioned at case 8, the side of case 8 has the cover plate 81 relative with installing plate 3 side, travelling gear 1 and travelling gear 26
Between installing plate 3 side and cover plate 81 side, travelling gear 1 and travelling gear 26 can be covered by case 8,
Avoid foreign materials away travelling gear 1 and travelling gear 26, and then ensure transmission stability.Swing seat 12 takes the shape of the letter U, power transmission shaft 4
The side of end and swing seat 12 be fixedly connected with, the two ends inwall of swing seat 12 is all hinged with oscillating deck 121, on cloth pushing shaft 11
Being fixed with needle gage crank 111, oscillating deck 121 is hinged with needle gage crank 111, and motor 2 coordinates drive transmission by gear
Axle 4 rotates, and power transmission shaft 4 drives swing seat 12 to swing, and then makes cloth pushing shaft 11 turns by oscillating deck 121 and needle gage crank 111
Dynamic, it is achieved needle gage regulates.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although the most more employing the terms such as base 1, cloth pushing shaft 11, needle gage crank 111, but it is not precluded from using it
The probability of its term.Use these terms to be only used to more easily and describe and explain essence of the present utility model；It
To be construed to any additional restriction be all contrary with this utility model spirit.
Claims (10)
1. a needle gage governor motion for sewing machine, sewing machine includes that base (1), described base are rotatably connected to work feed on (1)
Axle (11), is also hinged with swing seat (12) on base (1), and the front end of described cloth pushing shaft (11) is connected with feed dog (13),
Rear end is connected with swing seat (12), it is characterised in that described needle gage governor motion include motor (2), installing plate (3) and
Power transmission shaft (4), described installing plate (3) is connected on base (1), installing plate (3) offers respectively installing hole one (31) and
Installing hole two (32), described motor (2) is connected on installing plate (3) side, and the motor shaft (21) of motor (2) turns
Moving through installing hole one (31), be fixed with travelling gear one (5) in the end that motor shaft (21) stretches out, described power transmission shaft (4) turns
It is automatically connected in installing hole two (32), and power transmission shaft (4) is paralleled with the motor shaft (21) of motor (2), described power transmission shaft
(4) one end is fixedly connected with swing seat (12), and the other end stretches out installing hole two (32), and is fixed with driving cog in the end stretched out
Wheel two (6), described travelling gear two (6) is in sector, and travelling gear two (6) is meshed with travelling gear one (5).
The needle gage governor motion of sewing machine the most according to claim 1, it is characterised in that described base offers on (1)
Fixing hole (14), described installing plate (3) side vertically has fixed cover (33), and this fixed cover (33) is same with installing hole two (32)
Axle center is arranged, and described fixed cover (33) is fixedly plugged in the fixing hole (14) of base (1), and described power transmission shaft (4) rotates and wears
In fixed cover (33), and power transmission shaft (4) and fixed cover (33) interference fits.
The needle gage governor motion of sewing machine the most according to claim 1, it is characterised in that on described installing plate (3) side
Offering the locating slot (34) of circle, this locating slot (34) is arranged with installing hole one (31) concentric, described motor (2)
Having the positioning boss (22) of circle on end face, this positioning boss (22) is arranged with motor shaft (21) concentric, described convex
In platform (22) is plugged on locating slot (34), and the periphery wall of positioning boss (22) and locating slot (34) cell wall interference fits.
The needle gage governor motion of sewing machine the most according to claim 3, it is characterised in that the end of described motor (2)
Face reclines mutually with the side of installing plate (3), and motor (2) is fixedly connected with by screw with installing plate (3).
5. according to the needle gage governor motion of the sewing machine described in claim 1 or 2 or 3 or 4, it is characterised in that described driving cog
Offering loss of weight breach (61) on the side of wheel two (6), described loss of weight breach (61) is in sector.
The needle gage governor motion of sewing machine the most according to claim 5, it is characterised in that described travelling gear two (6)
Radius is 4～6 times of the radius of travelling gear one (5).
7. according to the needle gage governor motion of the sewing machine described in claim 1 or 2 or 3 or 4, it is characterised in that described driving cog
On the side of wheel one (5), wound motor axle (21) has the limit convex of annular along (51), and described limit convex is along (51) and installing plate
(3) side leans.
8. according to the needle gage governor motion of the sewing machine described in claim 1 or 2 or 3 or 4, it is characterised in that described base (1)
Being fixed with gear box cover (7) on downside, above-mentioned installing plate (3) is positioned at base (1) and the outside of gear box cover (7), described tooth
On wheel case lid (7) downside, indent forms mounting groove (71), and the top of above-mentioned motor (2) is positioned at mounting groove (71).
The needle gage governor motion of sewing machine the most according to claim 8, it is characterised in that described gear box cover (7) is upper solid
Being connected with case (8), the bottom of above-mentioned motor (2) is positioned at case (8), and the side of described case (8) has and installing plate
(3) cover plate (81) that side is relative, described travelling gear one (5) and travelling gear two (6) are positioned at installing plate (3) side and cover plate
(81) between side.
10. according to the needle gage governor motion of the sewing machine described in claim 1 or 2 or 3 or 4, it is characterised in that described swing seat
(12) taking the shape of the letter U, the end of above-mentioned power transmission shaft (4) is fixedly connected with the side of swing seat (12), in the two ends of described swing seat (12)
All be hinged with oscillating deck (121) on wall, described cloth pushing shaft (11) be fixed with needle gage crank (111), described oscillating deck (121) with
Needle gage crank (111) is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580382.4U CN205839325U (en) | 2016-06-14 | 2016-06-14 | A kind of needle gage governor motion of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580382.4U CN205839325U (en) | 2016-06-14 | 2016-06-14 | A kind of needle gage governor motion of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205839325U true CN205839325U (en) | 2016-12-28 |
Family
ID=58152768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620580382.4U Withdrawn - After Issue CN205839325U (en) | 2016-06-14 | 2016-06-14 | A kind of needle gage governor motion of sewing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN205839325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400324A (en) * | 2016-06-14 | 2017-02-15 | 浙江上工宝石缝纫科技有限公司 | Needle distance adjustment mechanism of sewing machine |
-
2016
- 2016-06-14 CN CN201620580382.4U patent/CN205839325U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400324A (en) * | 2016-06-14 | 2017-02-15 | 浙江上工宝石缝纫科技有限公司 | Needle distance adjustment mechanism of sewing machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20220621 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20220621 |