CN201942857U - Needle bed oscillating device used for yarn pressing type warp knitting machine - Google Patents
Needle bed oscillating device used for yarn pressing type warp knitting machine Download PDFInfo
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- CN201942857U CN201942857U CN2011200194314U CN201120019431U CN201942857U CN 201942857 U CN201942857 U CN 201942857U CN 2011200194314 U CN2011200194314 U CN 2011200194314U CN 201120019431 U CN201120019431 U CN 201120019431U CN 201942857 U CN201942857 U CN 201942857U
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- connecting rod
- needle
- swing arm
- bar
- rotationally connected
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Abstract
The utility model discloses a needle bed oscillating device used for a yarn pressing type warp knitting machine. The needle bed oscillating device comprises a main shaft, an oscillating arm spindle, a first oscillating arm, a second oscillating arm and a needle bed assembly, wherein a connecting rod bracket is arranged on the side wall of a fuel tank; an eccentric wheel, an eccentric bushing member, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod are arranged between the main shaft and the first oscillating arm, wherein one end of the first connecting rod is connected with the upper left end of the eccentric bushing member in a rotating mode, and the other end of the first connecting rod is connected with a connecting rod bracket in a rotating mode; the lower end of the second connecting rod is connected with the upper right end of the eccentric bushing member in a rotating mode; the lower end of the third connecting rod is connected with the connecting rod bracket in a rotating mode, the upper left end of the third connecting rod is connected with the lower end of the fourth connecting rod in a rotating mode, and the upper right end of the third connecting rod is connected with the upper end of the second connecting rod in a rotating mode; the upper end of the fourth connecting rod is connected with a movable end of the first oscillating arm in a rotating mode; and the length of the second connecting rod is equal to the curvature radius of an approximate circular arc segment in the movement locus curve of the rotation joint of the eccentric bushing member and the second connecting rod. The needle bed oscillating device is provided with a dwelling section in the oscillating process and has good yarn pressing effect, and an oscillating mechanism has a simple structure, is convenient and simple to process and is suitable for weaving at high speed.
Description
Technical field
The utility model relates to a kind of needle-bar pendulous device of warp knitting machine, particularly relates to the needle-bar pendulous device that is used to press yarn type warp knitting machine.
Background technology
Warp knitting machine in the braided fabric process, the generally lopping campaign that cooperatively interacts, cooperates and finish yarn by knitting needle, sley bar, sedimentation and four motions of knocking over.Existingly be used to press the yarn type promptly to have the warp knitting machine of schlagblech, because its sley bar number is more, weight is big, for example at present widely used many combs are pressed yarn type Raschel looms, it has 24 or 36 pressing the yarn sley bar, therefore this class warp knitting machine is taked the sley bar transfixion usually, and the compound motion that knitting needle is composited by up and down reciprocatingly rectilinear motion and reciprocally swinging is finished the lopping campaign of yarn.When braiding, knitting needle is fixedly mounted on the needle-bar, and both do as a whole motion together.According to warp knitting technology, the multi-bar warp knitting machine of pressing the yarn process requirement is arranged, needle-bar by machine after to machine and by before the machine to the machine the ratio of the average speed of oscillating traverse motion process usually between 1～2, but in the motion process of promptly putting back to the machine before the machine, swing is non-uniform movement, needle-bar is rocked to by the front position and presses before the yarn position in the process, swing speed should be higher, thereafter in the short period before knitting needle does not descend, the swing speed of needle-bar should lower or approximate resting, press yarn for the schlagblech adequate time, after the action of pressure yarn was finished, needle-bar continued pendulum again and gets back to the rearmost position.The motion of needle-bar swing requires curve as shown in Figure 1 in one-period, ordinate Ψ is the swing speed of needle-bar among the figure, and abscissa φ is the corner of warp knitting machine fuel tank main shaft, as can be seen from Figure, interval to the G point at the F point, the swing speed of needle-bar should lower or approximate resting.In order to realize such motion requirement, outer rim conjugate cam mechanism in existing pressure yarn type warp knitting machine, adopting usually, still, the running speed of conjugate cam mechanism is lower, and impact is arranged during transmission, can not be fit to braiding at a high speed, in addition, the processing of conjugate cam is complicated, and manufacturing cost is higher.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of like this needle-bar pendulous device that is used to press yarn type warp knitting machine, it can not only make needle-bar have the approximate section of resting in the motion process of putting back, thereby make schlagblech have adequate time and press yarn, and can be fit to braiding at a high speed, simple in structure, process easy, low cost of manufacture.
For solving the problems of the technologies described above, the utility model adopts a kind of like this needle-bar pendulous device that is used to press yarn type warp knitting machine, comprise the main shaft that is installed in rotationally in the warp knitting machine fuel tank, be installed in the swing arm rotating shaft on the warp knitting machine frame rotationally, one end is fixedly mounted on first swing arm and second swing arm in the described swing arm rotating shaft respectively, and needle bed component; Described needle bed component comprises needle-bar and the knitting needle that is fixedly mounted on this needle-bar, and the movable end of the described needle-bar and second swing arm is slidingly connected, and is installed with connecting rod rack on the sidewall of described warp knitting machine fuel tank; Between the described main shaft and first swing arm, be provided with eccentric wheel, be sleeved on the eccentric bushing member on the described eccentric wheel, the first connecting rod that the left upper end of one end and described eccentric bushing member is rotationally connected, the other end and described connecting rod rack are rotationally connected, the second connecting rod that lower end and described eccentric bushing member upper right side are rotationally connected, third connecting rod and the 4th connecting rod; The lower end of described third connecting rod and described connecting rod rack are rotationally connected, and the lower end of its left upper end and described the 4th connecting rod is rotationally connected, and the upper end of its upper right side and described second connecting rod is rotationally connected; The movable end of the upper end of described the 4th connecting rod and described first swing arm is rotationally connected; Described eccentric wheel is fixedlyed connected with main shaft; The length of described second connecting rod equals the radius of curvature of approximate circle segmental arc in the path curves that is rotationally connected when being in oscillating motion to be produced of itself and described eccentric bushing member upper right side.
In the utility model, described needle bed component also comprises carriage that supports needle-bar and the guide pillar of fixedlying connected with this carriage, be provided with and described guide pillar size and the suitable through hole of shape at the movable end of described second swing arm, described needle-bar inserts by described guide pillar and constitutes in the described through hole and being slidingly connected of the second swing arm movable end.
The utility model also can adopt a kind of like this needle-bar pendulous device that is used to press yarn type warp knitting machine, comprise the main shaft that is installed in rotationally in the warp knitting machine fuel tank, be installed in the swing arm rotating shaft on the warp knitting machine frame rotationally, one end is fixedly mounted on first swing arm and second swing arm in the described swing arm rotating shaft respectively, and needle bed component; Described needle bed component comprises needle-bar and the knitting needle that is fixedly mounted on this needle-bar, and the movable end of the described needle-bar and second swing arm is slidingly connected, and described main shaft is a bent axle; On the sidewall of described warp knitting machine fuel tank, be installed with connecting rod rack; Between the described main shaft and first swing arm, be provided with the eccentric bushing member, the first connecting rod that the left upper end of one end and described eccentric bushing member is rotationally connected, the other end and described connecting rod rack are rotationally connected, the second connecting rod that lower end and described eccentric bushing member upper right side are rotationally connected, third connecting rod and the 4th connecting rod; The lower end of described third connecting rod and described connecting rod rack are rotationally connected, and the lower end of its left upper end and described the 4th connecting rod is rotationally connected, and the upper end of its upper right side and described second connecting rod is rotationally connected; The movable end of the upper end of described the 4th connecting rod and described first swing arm is rotationally connected; Described eccentric bushing member is sleeved on the described main shaft; The length of described second connecting rod equals the radius of curvature of approximate circle segmental arc in the path curves that is rotationally connected when being in oscillating motion to be produced of itself and described eccentric bushing member upper right side.
After adopting such structure, on the one hand, because the utility model adopts by eccentric wheel, eccentric bushing member and first connecting rod, perhaps the elementary lanar four rod mechanism connection of being made up of bent axle, eccentric bushing member and first connecting rod is follow-up is made up of second, third connecting rod
The plane six bar mechanism that level bar group constitutes together, this plane six bar mechanism when moving by main shaft drives, elementary lanar four rod mechanism and follow-up
The interface of level bar group, it is the place that is rotationally connected of second connecting rod lower end and eccentric bushing member upper right side, there is the part orbit segment to be approximate circular arc in the path curves that when needle-bar pendulum swivel motion, is produced, again because the length of second connecting rod equals the radius of curvature of described approximate circle segmental arc, like this when described interface moves to the approximate circle segmental arc, the center of curvature point that the place of being rotationally connected of third connecting rod upper right side and second connecting rod upper end just in time is in this approximate circle segmental arc keeps motionless, it is motionless that third connecting rod also will keep, be third connecting rod with and the follow-up needle-bar that drives all will keep transfixion, thereby realized needle-bar resting in pendulum swivel motion process, guaranteed that schlagblech has sufficient time pressure yarn.In addition, because described approximate circle segmental arc path length can realize by the different lever points on the linkage plane, make like this that the selection of lever point is easy, various, thereby can satisfy the requirement of different type of machines better length idle hours.
On the other hand, because the utility model integral body is made up of the single-freedom planar linkage, its structure with existing interior outer rim conjugate cam mechanism is compared, and more helps the raising of complete machine rotating speed, and linkage does not have impact when transmission, thereby can better be fit to braiding at a high speed.
And, because the kinematic pair of the utility model in whole pendulous device be planar lower pair, there is not higher pair, therefore, compared with prior art, the utility model pendulous device simple in structure, processing and manufacturing is easy, has reduced manufacturing cost.
In addition, the utility model is adjusted the size of needle-bar pendulum angle by the lanar four rod mechanism that adopts the 3rd, the 4th connecting rod and first swing arm to constitute, when adjusting, the length dimension that only needs to change each parts in this quadric chain concerns the pendulum angle that can change needle-bar, adjust simply, conveniently, can satisfy the requirement of different type of machines better the needle-bar pendulum angle.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is for pressing needle-bar desired movement profiles in a hunting period in the yarn type warp knitting machine.
Fig. 2 is used to press a kind of structural representation of the needle-bar pendulous device of yarn type warp knitting machine for the utility model.
Fig. 3 is used to press the motion sketch of the needle-bar pendulous device of yarn type warp knitting machine for the utility model.
The specific embodiment
To a kind of needle-bar pendulous device that is used to press yarn type warp knitting machine shown in Figure 3, comprise the principal axis A that is installed in rotationally in the warp knitting machine fuel tank 7 referring to Fig. 1
0, be installed in the swing arm rotating shaft D on the warp knitting machine frame 8 rotationally
0, an end is fixedly mounted on described swing arm rotating shaft D respectively
0On first swing arm 9 and second swing arm 10, and needle bed component 11; Described needle bed component 11 comprises needle-bar 11-1 and the knitting needle 11-2 that is fixedly mounted on this needle-bar 11-1, and the movable end of the described needle-bar 11-1 and second swing arm 10 is slidingly connected, and is installed with connecting rod rack 12 on the sidewall of described warp knitting machine fuel tank 7; In described principal axis A
0And be provided with eccentric wheel 1 between first swing arm 9, be sleeved on the eccentric bushing member 2 on the described eccentric wheel 1, the first connecting rod 3 that the left upper end of one end and described eccentric bushing member 2 is rotationally connected, the other end and described connecting rod rack 12 are rotationally connected, the second connecting rod 4 that lower end and described eccentric bushing member 2 upper right sides are rotationally connected, third connecting rod 5 and the 4th connecting rod 6; The lower end of described third connecting rod 5 and described connecting rod rack 12 are rotationally connected, and the lower end of its left upper end and described the 4th connecting rod 6 is rotationally connected, and the upper end of its upper right side and described second connecting rod 4 is rotationally connected; The movable end of the upper end of described the 4th connecting rod 6 and described first swing arm 9 is rotationally connected; Described eccentric wheel 1 and principal axis A
0Fixedly connected; The length of described second connecting rod 4 equals the radius of curvature of approximate circle segmental arc in the path curves that is rotationally connected when being in oscillating motion to be produced of itself and described eccentric bushing member 2 upper right sides.In the utility model, principal axis A
0With the swing arm rotating shaft D
0Be and the horizontal parallel major axis of warp knitting machine complete machine.Described swing arm rotating shaft D
0Be installed in rotation in the frame of warp knitting machine fuel tank 7 upper surfaces on the bearing 8.
Described needle bed component 11 also comprises the carriage 11-3 and the guide pillar 11-4 of fixedlying connected with this carriage 11-3 that supports needle-bar 11-1, movable end in described second swing arm 10 is provided with and described guide pillar 11-4 size and the suitable through hole 10-1 of shape, described needle-bar 11-1 inserts among the described through hole 10-1 by described guide pillar 11-4 and constitutes and being slidingly connected of second swing arm 10 movable ends, as shown in Figure 3, both are at D
2Place's formation is slidingly connected, and such structure can make both relatively move along the axis direction of through hole 10-1; In the utility model, also a fairlead can be set in described through hole 10-1, described like this needle-bar 11-1 can insert in the described fairlead by guide pillar 11-4 and constitute and being slidingly connected of second swing arm, 10 movable ends, and is not shown in the figures.Because an end of first swing arm 9 and second swing arm 10 is fixedly mounted on described swing arm rotating shaft D respectively
0On, therefore when the lopping campaign, first swing arm 9 and second swing arm 10 are together with the swing arm rotating shaft D
0Swing.
In the utility model, principal axis A
0Be the power input shaft of warp knitting machine lopping campaign, by motor-driven, be fixed with eccentric wheel 1 on it, eccentric wheel 1 is by conventional circumferential connected mode and principal axis A
0Fixedly connected, with principal axis A
0Connect as a whole rotation together.As shown in Figure 3, insert in the bearing by bearing pin at the B point at the left upper end of eccentric bushing member 2 and first connecting rod 3 and to relatively rotate, be implemented in the revolute pair that B is ordered, insert in the bearing by bearing pin at the P point at the upper right side of eccentric bushing member 2 and second connecting rod 4 and to relatively rotate, be implemented in the revolute pair that P is ordered, eccentric bushing member 2 is identical with the outside dimension of eccentric wheel 1 in the aperture that A is ordered, eccentric bushing member 2 is contained on the cylindrical of eccentric wheel 1 by A point borehole jack, constitutes eccentric wheel 1 and eccentric bushing member 2 and relatively rotates pair what A was ordered.Shown in Fig. 2,3, described first connecting rod 3 and second connecting rod 4 are preferably the rectangle plate, offer porose portion respectively at the two ends of two connecting rods, are fixed with bearing pin or bearing in the hole, and described first connecting rod 3 of the present utility model is by being arranged on B
0The bearing pin of point matches with the hole that is provided with on described connecting rod rack 12, constitutes B
0The revolute pair of point.Described third connecting rod 5 is preferably triangular plate piece, respectively is provided with the hole on three angles, bearing is housed in the hole or is fixed with bearing pin, and the utility model is at the lower end of third connecting rod 5 C
0Point is provided with a bearing pin, and a hole of matching with described bearing pin is set on described connecting rod rack 12, and bearing pin rotates in the hole and is formed in C
0The revolute pair of point; Third connecting rod 5 upper right sides and second connecting rod 4 are at C
1Point inserts in the bearing by bearing pin and relatively rotates, and realizes that both are at C
1The revolute pair of point; Connect by the 4th connecting rod 6 between the third connecting rod 5 and first swing arm 9, respectively at C
2Point and D
1Point inserts in the bearing by bearing pin and relatively rotates, and is separately implemented at C
2Point and D
1The revolute pair of point.In the whole fabric width direction of warp knitting machine, the above-mentioned needle-bar swing mechanism of some groups of identical and parallel installations is arranged, the needle-bar 11-1 of the whole length of carriage 11-3 together support by every group of mechanism.
The utility model needle-bar pendulous device also can adopt so a kind of structure, and it comprises the principal axis A that is installed in rotationally in the warp knitting machine fuel tank 7
0, be installed in the swing arm rotating shaft D on the warp knitting machine frame 8 rotationally
0, an end is fixedly mounted on described swing arm rotating shaft D respectively
0On first swing arm 9 and second swing arm 10, and needle bed component 11; Described needle bed component 11 comprises needle-bar 11-1 and the knitting needle 11-2 that is fixedly mounted on this needle-bar 11-1, and the movable end of the described needle-bar 11-1 and second swing arm 10 is slidingly connected, described principal axis A
0Be bent axle; On the sidewall of described warp knitting machine fuel tank 7, be installed with connecting rod rack 12; In described principal axis A
0And be provided with eccentric bushing member 2 between first swing arm 9, the first connecting rod 3 that the left upper end of one end and described eccentric bushing member 2 is rotationally connected, the other end and described connecting rod rack 12 are rotationally connected, the second connecting rod 4 that lower end and described eccentric bushing member 2 upper right sides are rotationally connected, third connecting rod 5 and the 4th connecting rod 6; The lower end of described third connecting rod 5 and described connecting rod rack 12 are rotationally connected, and the lower end of its left upper end and described the 4th connecting rod 6 is rotationally connected, and the upper end of its upper right side and described second connecting rod 4 is rotationally connected; The movable end of the upper end of described the 4th connecting rod 6 and described first swing arm 9 is rotationally connected; Described eccentric bushing member 2 is sleeved on described principal axis A
0On; The length of described second connecting rod 4 equals the radius of curvature of approximate circle segmental arc in the path curves that is rotationally connected when being in oscillating motion to be produced of itself and described eccentric bushing member 2 upper right sides.The structure of this pendulous device is compared with above-mentioned first kind of structure, and difference is principal axis A
0Be bent axle, and omitted the eccentric wheel parts, both are basic identical for other structure, do not repeat them here.
Referring to Fig. 3, in the utility model, by A
0ABB
0PC
1C
0The plane six bar mechanism that constitutes is to realize that needle-bar 11-1 has the mechanism of resting, lanar four rod mechanism C in pendulum swivel motion process
0C
2D
1D
0It is the mechanism that adjusts first swing arm 9, second swing arm 10 and needle-bar 11-1 pendulum angle size, has only moving sets between the needle bed component 11 and second swing arm 10, can not swing relatively, guarantee that the pivot angle size of first swing arm 9 and second swing arm 10 is the pivot angle of needle-bar 11-1.
The utility model is through on probation, and needle-bar has the approximate section of resting in pendulum swivel motion process, and schlagblech has good pressure yarn effect, swing mechanism can be fit to braiding at a high speed, has improved production efficiency, and simple in structure, process easyly, low cost of manufacture has obtained good effect.
Claims (3)
1. a needle-bar pendulous device that is used to press yarn type warp knitting machine comprises the main shaft (A that is installed in rotationally in the warp knitting machine fuel tank (7)
0), be installed in the swing arm rotating shaft (D on the warp knitting machine frame (8) rotationally
0), an end is fixedly mounted on described swing arm rotating shaft (D respectively
0) on first swing arm (9) and second swing arm (10), and needle bed component (11); Described needle bed component (11) comprises needle-bar (11-1) and is fixedly mounted on knitting needle (11-2) on this needle-bar (11-1), described needle-bar (11-1) is slidingly connected with the movable end of second swing arm (10), it is characterized in that: be installed with connecting rod rack (12) on the sidewall of described warp knitting machine fuel tank (7); At described main shaft (A
0) and first swing arm (9) between be provided with eccentric wheel (1), be sleeved on the eccentric bushing member (2) on the described eccentric wheel (1), the first connecting rod (3) that the left upper end of one end and described eccentric bushing member (2) is rotationally connected, the other end and described connecting rod rack (12) are rotationally connected, the second connecting rod (4) that lower end and described eccentric bushing member (2) upper right side are rotationally connected, third connecting rod (5) and the 4th connecting rod (6); The lower end of described third connecting rod (5) and described connecting rod rack (12) are rotationally connected, and the lower end of its left upper end and described the 4th connecting rod (6) is rotationally connected, and the upper end of its upper right side and described second connecting rod (4) is rotationally connected; The movable end of the upper end of described the 4th connecting rod (6) and described first swing arm (9) is rotationally connected; Described eccentric wheel (1) and main shaft (A
0) fixedly connected; The length of described second connecting rod (4) equals the radius of curvature of approximate circle segmental arc in the path curves that is rotationally connected when being in oscillating motion to be produced of itself and described eccentric bushing member (2) upper right side.
2. the needle-bar pendulous device that is used to press yarn type warp knitting machine according to claim 1, it is characterized in that: described needle bed component (11) also comprises the carriage (11-3) and the guide pillar (11-4) of fixedlying connected with this carriage (11-3) that supports needle-bar (11-1), movable end in described second swing arm (10) is provided with and described guide pillar (11-4) size and the suitable through hole (10-1) of shape, and described needle-bar (11-1) inserts being slidingly connected of middle formation of described through hole (10-1) and second swing arm (10) movable end by described guide pillar (11-4).
3. a needle-bar pendulous device that is used to press yarn type warp knitting machine comprises the main shaft (A that is installed in rotationally in the warp knitting machine fuel tank (7)
0), be installed in the swing arm rotating shaft (D on the warp knitting machine frame (8) rotationally
0), an end is fixedly mounted on described swing arm rotating shaft (D respectively
0) on first swing arm (9) and second swing arm (10), and needle bed component (11); Described needle bed component (11) comprises needle-bar (11-1) and is fixedly mounted on knitting needle (11-2) on this needle-bar (11-1) that described needle-bar (11-1) is slidingly connected with the movable end of second swing arm (10), it is characterized in that: described main shaft (A
0) be bent axle; On the sidewall of described warp knitting machine fuel tank (7), be installed with connecting rod rack (12); At described main shaft (A
0) and first swing arm (9) between be provided with eccentric bushing member (2), the first connecting rod (3) that the left upper end of one end and described eccentric bushing member (2) is rotationally connected, the other end and described connecting rod rack (12) are rotationally connected, the second connecting rod (4) that lower end and described eccentric bushing member (2) upper right side are rotationally connected, third connecting rod (5) and the 4th connecting rod (6); The lower end of described third connecting rod (5) and described connecting rod rack (12) are rotationally connected, and the lower end of its left upper end and described the 4th connecting rod (6) is rotationally connected, and the upper end of its upper right side and described second connecting rod (4) is rotationally connected; The movable end of the upper end of described the 4th connecting rod (6) and described first swing arm (9) is rotationally connected; Described eccentric bushing member (2) is sleeved on described main shaft (A
0) on; The length of described second connecting rod (4) equals the radius of curvature of approximate circle segmental arc in the path curves that is rotationally connected when being in oscillating motion to be produced of itself and described eccentric bushing member (2) upper right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200194314U CN201942857U (en) | 2011-01-21 | 2011-01-21 | Needle bed oscillating device used for yarn pressing type warp knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200194314U CN201942857U (en) | 2011-01-21 | 2011-01-21 | Needle bed oscillating device used for yarn pressing type warp knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201942857U true CN201942857U (en) | 2011-08-24 |
Family
ID=44470205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200194314U Expired - Lifetime CN201942857U (en) | 2011-01-21 | 2011-01-21 | Needle bed oscillating device used for yarn pressing type warp knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201942857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031630A (en) * | 2011-01-21 | 2011-04-27 | 常州市润源经编机械有限公司 | Needle bed swinging device for pressing warp knitting machine |
| CN103726212A (en) * | 2014-01-26 | 2014-04-16 | 常州市润源经编机械有限公司 | Stylet motion mechanism of loop type warp knitting machine |
-
2011
- 2011-01-21 CN CN2011200194314U patent/CN201942857U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031630A (en) * | 2011-01-21 | 2011-04-27 | 常州市润源经编机械有限公司 | Needle bed swinging device for pressing warp knitting machine |
| CN103726212A (en) * | 2014-01-26 | 2014-04-16 | 常州市润源经编机械有限公司 | Stylet motion mechanism of loop type warp knitting machine |
| CN103726212B (en) * | 2014-01-26 | 2015-06-17 | 常州市润源经编机械有限公司 | Stylet motion mechanism of loop type warp knitting machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110824 Effective date of abandoning: 20130925 |
|
| RGAV | Abandon patent right to avoid regrant |