CN212154050U - Portable fitment auxiliary stand - Google Patents
Portable fitment auxiliary stand Download PDFInfo
- Publication number
- CN212154050U CN212154050U CN202020458203.6U CN202020458203U CN212154050U CN 212154050 U CN212154050 U CN 212154050U CN 202020458203 U CN202020458203 U CN 202020458203U CN 212154050 U CN212154050 U CN 212154050U
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- rod
- fixedly connected
- telescopic
- chain
- portable
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Abstract
The utility model discloses a portable fitment auxiliary stand, include: the movable frame body is provided with a movable wheel at the bottom end; the telescopic rod assembly is vertically arranged, one end of the telescopic rod assembly is fixed on the movable frame body, and the other end of the telescopic rod assembly extends upwards to be fixedly connected with the perforating machine fixing frame or the sealing plate fixing frame. According to the technical scheme, compare with prior art, the utility model provides a portable fitment auxiliary stand through with puncher mount or shrouding mount fixed mounting on scalable pole subassembly, can make the operation personnel need not to ascend a height and accomplish not co-altitude percussion drill operation of holing or high altitude ceiling furred ceiling shrouding operation, has reduced the potential safety hazard, has improved work efficiency, simultaneously, has set up the removal wheel for this support can remove at any time, need not artificial transport, easily carries, and labour saving and time saving.
Description
Technical Field
The utility model relates to a fitment appurtenance technical field, more specifically the utility model relates to a portable fitment auxiliary stand that says so.
Background
At present, during decoration punching operation of a roof and operation of a ceiling sealing plate of an overhead ceiling, climbing operation with a herringbone ladder is needed, and high-altitude punching operation adopts traditional handheld impact drills to drill holes, so that not only is physical strength consumed, but also the efficiency is low, and in the process of drilling clamping during the operation of the handheld impact drills, the swinging force of the impact drills easily causes potential hazards of high-altitude falling of operating personnel, and meanwhile potential hazards of gravity center inclination and falling of the operating personnel exist; and high altitude ceiling furred ceiling shrouding operation adopts traditional two people to lift the plate block by hand and ascend a height through the double ladder and install to fixed height, and power consumption is low, and is inefficient, and the staff has the focus slope equally and falls the hidden danger.
Therefore, how to provide a portable decoration auxiliary support which is labor-saving, high in safety and high in working efficiency is a problem which needs to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a laborsaving and high, the high portable fitment auxiliary stand of work efficiency of security.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable fitment accessory stand, comprising:
the movable frame body is provided with a movable wheel at the bottom end;
the telescopic rod assembly is vertically arranged, one end of the telescopic rod assembly is fixed on the movable frame body, and the other end of the telescopic rod assembly extends upwards to be fixedly connected with the punching machine fixing frame or the sealing plate fixing frame.
According to the technical scheme, compare with prior art, the utility model provides a portable fitment auxiliary stand through with puncher mount or shrouding mount fixed mounting on scalable pole subassembly, can make the operation personnel need not to ascend a height and accomplish not co-altitude percussion drill operation of holing or high altitude ceiling furred ceiling shrouding operation, has reduced the potential safety hazard, has improved work efficiency, simultaneously, has set up the removal wheel for this support can remove at any time, need not artificial transport, easily carries, and labour saving and time saving.
Further, the movable rack body comprises:
one end of the telescopic rod assembly is fixedly connected with the top end of the base plate;
the connecting cross rods are distributed around the base plate in a surrounding manner, one end of each connecting cross rod is fixedly connected with the base plate, and the other end of each connecting cross rod is connected with the moving wheel;
the connecting plate is fixedly arranged on the telescopic rod assembly;
the inclined pull supporting rods are arranged in a plurality of inclined pull supporting rods which are annularly distributed around the connecting plate, and two ends of the inclined pull supporting rods are fixedly connected with the connecting plate and the other end of the connecting cross rod respectively.
The beneficial effects who adopts above-mentioned technical scheme to produce are for support body stability is good, has guaranteed the stability of work.
Further, the telescopic rod assembly comprises:
one end of the vertical sleeve is fixedly connected with the base plate, and the connecting plate is fixedly mounted on the vertical sleeve;
one end of the first telescopic cylinder rod is inserted with the other end of the vertical sleeve;
the driving cylinder is fixedly installed on the outer wall of the vertical sleeve, and the telescopic end of the driving cylinder is arranged upwards and is fixedly connected with the first telescopic cylinder rod;
the connecting plate is fixedly connected with a hand push rod, and the hand push rod is provided with a switch used for controlling the driving air cylinder to act.
Adopt the beneficial effect that above-mentioned technical scheme produced to drive actuating cylinder action through on-off control, the flexible end that drives actuating cylinder drives first flexible section of thick bamboo pole and stretches out and draws back in vertical cover, and then has realized the altitude mixture control of support.
Further, the telescopic rod assembly further comprises:
one end of the second telescopic cylinder rod is inserted with the other end of the first telescopic cylinder rod;
the fixed shell is sleeved and fixedly installed at the other end of the first telescopic cylinder rod and is fixedly connected with the telescopic end of the driving cylinder;
a sprocket disposed inside the stationary housing;
the chain, the chain cover is established on the sprocket, and one end with vertical sheathed tube other end fixed connection, the chain other end extends to inside the flexible section of thick bamboo pole of second, and with the flexible section of thick bamboo pole inner wall bottom fixed connection of second.
Adopt the beneficial effect that above-mentioned technical scheme produced, because of the chain both ends respectively with vertical sleeve pipe and the flexible section of thick bamboo pole fixed connection of second, when driving actuating cylinder and driving first flexible section of thick bamboo pole and rise, can drive sprocket clockwise rotation with vertical sleeve pipe fixed connection's chain, make the chain fixed mutually with the flexible section of thick bamboo pole of second upward movement, and then drive the flexible section of thick bamboo pole rebound of second, the extension of the flexible section of thick bamboo pole of second on first flexible section of thick bamboo pole has been realized, when driving actuating cylinder and driving first flexible section of thick bamboo pole and descend, the flexible section of thick bamboo pole of second descends because of the dead weight, and drive rather than fixed connection's chain downshifting, and then the chain drives sprocket anticlockwise rotation, then upstroke with vertical sleeve pipe fixed connection's chain, the shortening of the flexible section of thick bamboo pole of second on first flexible section of thick bamboo.
Furthermore, a fixed mounting shaft is connected to the fixed shell, and the chain wheel is rotatably sleeved on the fixed mounting shaft.
Furthermore, a long strip-shaped opening is formed in the side end, located on the side of the chain wheel, of the second telescopic cylinder rod in the length direction of the second telescopic cylinder rod, the other end of the chain penetrates through the long strip-shaped opening and extends into the second telescopic cylinder rod, and the other end of the chain is fixedly connected with the bottom end of the inner wall, far away from the side of the long strip-shaped opening, of the second telescopic cylinder rod.
Adopt the beneficial effect that above-mentioned technical scheme produced to be, the setting of rectangular row opening can play limiting displacement to the chain, guarantees the meshing of chain and sprocket.
Further, a chain fixing shell is fixedly mounted on the outer wall of the top of the vertical sleeve, and one end of the chain is fixedly connected with the chain fixing shell through a first fixing screw.
Further, the puncher mount includes:
one end of the first sleeve connecting rod is sleeved at the other end of the second telescopic cylinder rod and is fixedly connected with the second telescopic cylinder rod through a second fixing screw;
the bottom end of the L-shaped mounting plate is fixedly connected with the other end of the first sleeve rod, and the perforating machine is fixedly mounted on the L-shaped mounting plate through a binding band.
Adopt above-mentioned technical scheme to produce beneficial effect be, when needs punch, pass through the bandage with the puncher and fix to the puncher mount, then with first extension rod plug-in to the flexible section of thick bamboo pole of second on to fixed with the second set screw can, easy operation.
Further, the shrouding mount includes:
one end of the second extension rod is sleeved at the other end of the second telescopic cylinder rod and is fixedly connected with the second extension rod through a third fixing screw;
the turnover bearing bracket is connected with the second extension rod through a 90-degree self-locking folding hinge.
The beneficial effect who adopts above-mentioned technical scheme to produce is, when needs furred ceiling shrouding, with the second extension rod pegging graft on the flexible section of thick bamboo pole of second to it is fixed to use the third fixed screw, then with the shrouding directly place can on can overturning the support bracket. When the foldable support bracket is not used, the turnover support bracket is turned over for a certain angle by the 90-degree self-locking foldable hinge, so that the occupied space of the turnover support bracket is reduced, and the support bracket is favorably moved out of a room.
Further, the reversible support bracket includes:
the lower surface of one end of the first supporting cross rod is fixedly connected with the upper surface of the 90-degree self-locking folding hinge;
one side of the middle part of the connecting cylinder rod is fixedly connected with one end of the first bearing cross rod, and the lower surface of the middle part of the connecting cylinder rod is in lap joint with the end face of the other end of the second extension rod;
the number of the telescopic supporting rods is two, and the two telescopic supporting rods are respectively inserted at two ends of the connecting cylinder rod and are respectively fixedly connected through a fourth fixing screw.
The beneficial effect who adopts above-mentioned technical scheme to produce is, first bearing horizontal pole, connecting cylinder pole and scalable bearing pole can hold the shrouding and hold to can adjust the length of scalable bearing pole according to the shrouding of different length, the suitability is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a portable decoration auxiliary stand provided by the present invention.
Fig. 2 is an enlarged schematic view of a part a of the structure in fig. 1.
Fig. 3 is a schematic view of a chain connecting structure.
Fig. 4 is a schematic structural diagram of a strip-shaped row of slits formed in the second telescopic cylinder rod.
FIG. 5 is a schematic view of the structure of the punch holder.
Fig. 6 is a schematic structural view of the sealing plate fixing frame.
Fig. 7 is a schematic structural view of the telescopic supporting rod.
FIG. 8 is a schematic view of the structure of the auxiliary stand when carrying the punch holder.
Fig. 9 is a schematic structural view of the auxiliary bracket carrying the sealing plate fixing frame.
Wherein: 1-a movable frame body, 11-a base plate, 12-a connecting cross bar, 13-a connecting plate, 14-a diagonal bracing bar, 15-a hand-push bar, 2-a moving wheel, 3-a telescopic bar assembly, 31-a vertical sleeve, 32-a first telescopic cylinder bar, 33-a driving cylinder, 34-a second telescopic cylinder bar, 341-a long strip-shaped gap, 35-a fixed shell, 36-a chain wheel, 37-a chain, 38-a fixed installation shaft, 4-a perforating machine fixing frame, 41-a first sleeve connecting bar, 42-an L-shaped installation plate, 43-a binding band, 5-a sealing plate fixing frame, 51-a second sleeve connecting bar, 52-a reversible bearing bracket, 521-a first bearing cross bar, 522-a connecting cylinder bar, 523-a telescopic bearing bar, the hinge comprises a 53-90-degree self-locking folding hinge, 6-a switch, 7-a chain fixing shell, 8-a first fixing screw, 9-a second fixing screw, 10-a third fixing screw and 16-a fourth fixing screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses portable fitment auxiliary stand, include:
the movable frame body 1 is provided with a movable wheel 2 at the bottom end of the movable frame body 1;
The movable rack body 1 comprises:
one end of the telescopic rod component 3 is fixedly connected with the top end of the base plate 11;
the connecting cross rods 12 are multiple, the connecting cross rods 12 are annularly distributed around the base plate 11, one ends of the connecting cross rods are fixedly connected with the base plate 11, and the other ends of the connecting cross rods 12 are connected with the moving wheels 2;
the connecting plate 13, the connecting plate 13 is fixedly mounted on telescopic rod assembly 3;
and a plurality of diagonal support rods 14 are arranged, the plurality of diagonal support rods 14 are annularly distributed around the connecting plate 13, and two ends of each diagonal support rod 14 are fixedly connected with the other ends of the connecting plate 13 and the connecting cross rod 12 respectively.
The extensible rod assembly 3 includes:
one end of the vertical sleeve 31 is fixedly connected with the base plate 11, and a connecting plate 13 is fixedly arranged on the vertical sleeve 31;
one end of the first telescopic cylinder rod 32 is inserted into the other end of the vertical sleeve 31;
the driving cylinder 33 is fixedly installed on the outer wall of the vertical sleeve 31, and the telescopic end of the driving cylinder 33 is arranged upwards and is fixedly connected with the first telescopic cylinder rod 32;
wherein, a hand push rod 15 is fixedly connected to the connecting plate 13, and a switch 6 for controlling the action of the driving cylinder 33 is arranged on the hand push rod 15.
The telescopic rod assembly 3 further comprises:
a second telescopic cylinder rod 34, wherein one end of the second telescopic cylinder rod 34 is inserted into the other end of the first telescopic cylinder rod 32;
the fixed shell 35 is sleeved and fixedly installed at the other end of the first telescopic cylinder rod 32, and is fixedly connected with the telescopic end of the driving cylinder 33;
a sprocket 36, the sprocket 36 being disposed inside the fixed housing 35;
the chain 37, the chain 37 cover is established on sprocket 36, and one end and the other end fixed connection of vertical sleeve pipe 31, and the chain 37 other end extends to inside the flexible section of thick bamboo pole 34 of second, and with the flexible section of thick bamboo pole 34 inner wall bottom fixed connection.
The fixed housing 35 is connected with a fixed mounting shaft 38, and the chain wheel 36 is rotatably sleeved on the fixed mounting shaft 38.
The side end of the second telescopic cylinder rod 34, which is located at the side of the chain wheel 36, is provided with a strip-shaped opening 341 along the length direction thereof, and the other end of the chain 37 passes through the strip-shaped opening 341 and extends into the second telescopic cylinder rod 34, and is fixedly connected with the bottom end of the inner wall of the second telescopic cylinder rod 34, which is far away from the strip-shaped opening 341.
The top outer wall of the vertical sleeve 31 is fixedly provided with a chain fixing shell 7, and one end of the chain 37 is fixedly connected with the chain fixing shell 7 through a first fixing screw 8.
The punch holder 4 includes:
one end of the first extension rod 41 is sleeved at the other end of the second telescopic cylinder rod 34 and is fixedly connected with the second extension rod through a second fixing screw 9;
and the bottom end of the L-shaped mounting plate 42 is fixedly connected with the other end of the first sleeve connecting rod 41, and the perforating machine is fixedly mounted on the L-shaped mounting plate 42 through a binding band 43.
one end of the second extension rod 51 is sleeved on the other end of the second telescopic cylinder rod 34 and is fixedly connected with the second extension rod through a third fixing screw 10;
a flip-up support bracket 52, the flip-up support bracket 52 being connected to the second extension bar 51 by a 90 ° self-locking folding hinge 53. The 90-degree self-locking folding hinge is an existing product and can be purchased directly, and the structure of the hinge is not described again.
The reversible support bracket 52 includes:
the lower surface of one end of the first supporting transverse rod 521 is fixedly connected with the upper surface of the 90-degree self-locking folding hinge 53;
one side of the middle part of the connecting cylinder rod 522 is fixedly connected with one end of the first bearing cross rod 521, and the lower surface of the middle part of the connecting cylinder rod 522 is lapped with the end face of the other end of the second extension rod 51;
the number of the telescopic supporting rods 523 is two, and the two telescopic supporting rods 523 are respectively inserted at two ends of the connecting cylinder rod 522 and are respectively fixedly connected through a fourth fixing screw 16.
The height adjusting principle of the portable decoration auxiliary support is as follows: drive actuating cylinder action through on-off control, because of the chain both ends respectively with vertical sleeve pipe and the flexible section of thick bamboo pole fixed connection of second, when driving actuating cylinder and driving first flexible section of thick bamboo pole and rise, can drive sprocket clockwise rotation with vertical sleeve pipe fixed connection's chain, make the chain up motion fixed mutually with the flexible section of thick bamboo pole of second, and then drive the flexible section of thick bamboo pole rebound of second, the extension of the flexible section of thick bamboo pole of second on first flexible section of thick bamboo pole has been realized, when driving actuating cylinder and driving first flexible section of thick bamboo pole and descend, the flexible section of thick bamboo pole of second descends because of the dead weight, and drive rather than fixed connection's chain moves down, and then the chain drives sprocket anticlockwise rotation, then the rebound with vertical sleeve pipe fixed connection's chain, the shortening of the flexible section of thick bamboo pole of second on first flexible section of thick bamboo pole.
This auxiliary stand promotes first flexible section of thick bamboo pole when driving actuating cylinder action and stretches out and draws back to under chain and sprocket mating reaction, make the flexible section of thick bamboo pole linkage of second, make the flexible stroke of support reach the maximize, can make the operating personnel need not to ascend a height and accomplish not co-altitude percussion drill operation of getting into a hole or high altitude ceiling furred ceiling shrouding operation, promote the operating efficiency of present traditional handheld percussion drill technique ascending a height and getting into a hole and ceiling furred ceiling shrouding, reduce the potential safety hazard, and portable easily carries.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A portable fitment auxiliary stand, comprising:
the device comprises a movable frame body (1), wherein the bottom end of the movable frame body (1) is provided with a movable wheel (2);
the punching machine comprises a telescopic rod assembly (3), wherein the telescopic rod assembly (3) is vertically arranged, one end of the telescopic rod assembly is fixed on the movable frame body (1), and the other end of the telescopic rod assembly extends upwards to be fixedly connected with a punching machine fixing frame (4) or a sealing plate fixing frame (5).
2. A portable finishing aid, as claimed in claim 1, characterised in that said movable frame (1) comprises:
one end of the telescopic rod component (3) is fixedly connected with the top end of the base plate (11);
the connecting cross rods (12) are multiple, the connecting cross rods (12) are annularly distributed around the base plate (11), one ends of the connecting cross rods are fixedly connected with the base plate (11), and the other ends of the connecting cross rods are connected with the moving wheels (2);
the connecting plate (13), the said connecting plate (13) is fixedly mounted on said telescopic rod assembly (3);
draw bracing piece (14) to one side, draw bracing piece (14) to one side be a plurality of, and a plurality of draw bracing piece (14) to one side the ring cloth is in around connecting plate (13), just draw bracing piece (14) both ends to one side respectively with connecting plate (13) connect horizontal pole (12) other end fixed connection.
3. A portable finishing aid according to claim 2, characterised in that the telescopic pole assembly (3) comprises:
one end of the vertical sleeve (31) is fixedly connected with the base plate (11), and the connecting plate (13) is fixedly mounted on the vertical sleeve (31);
one end of the first telescopic cylinder rod (32) is inserted into the other end of the vertical sleeve (31);
the driving cylinder (33) is fixedly mounted on the outer wall of the vertical sleeve (31), and the telescopic end of the driving cylinder (33) is arranged upwards and is fixedly connected with the first telescopic cylinder rod (32);
the connecting plate (13) is fixedly connected with a hand push rod (15), and the hand push rod (15) is provided with a switch (6) used for controlling the driving cylinder (33) to act.
4. A portable finishing aid according to claim 3, characterised in that the telescopic pole assembly (3) further comprises:
one end of the second telescopic cylinder rod (34) is inserted with the other end of the first telescopic cylinder rod (32);
the fixed shell (35) is sleeved and fixedly mounted at the other end of the first telescopic cylinder rod (32) and is fixedly connected with the telescopic end of the driving cylinder (33);
a sprocket (36), the sprocket (36) being disposed inside the stationary housing (35);
chain (37), chain (37) cover is established on sprocket (36), and one end with the other end fixed connection of vertical sleeve pipe (31), chain (37) other end extends to inside the flexible section of thick bamboo pole of second (34), and with the flexible section of thick bamboo pole of second (34) inner wall bottom fixed connection.
5. A portable fitment auxiliary stand according to claim 4, wherein a fixed mounting shaft (38) is connected to said fixed housing (35), and said chain wheel (36) is rotatably fitted on said fixed mounting shaft (38).
6. The portable decoration auxiliary stand according to claim 4, wherein the side end of the second telescopic cylinder rod (34) on the side of the chain wheel (36) is provided with an elongated notch (341) along the length direction thereof, and the other end of the chain (37) passes through the elongated notch (341) to extend into the second telescopic cylinder rod (34) and is fixedly connected with the bottom end of the inner wall of the second telescopic cylinder rod (34) on the side far away from the elongated notch (341).
7. A portable fitment auxiliary stand according to claim 4, wherein a chain fixing case (7) is fixedly mounted on the top outer wall of the vertical sleeve (31), and one end of the chain (37) is fixedly connected with the chain fixing case (7) through a first fixing screw (8).
8. A portable finishing aid stand according to claim 4, characterised in that the punch holder (4) comprises:
one end of the first sleeve connecting rod (41) is sleeved at the other end of the second telescopic cylinder rod (34) and is fixedly connected with the second telescopic cylinder rod through a second fixing screw (9);
the bottom end of the L-shaped mounting plate (42) is fixedly connected with the other end of the first sleeve connecting rod (41), and the perforating machine is fixedly mounted on the L-shaped mounting plate (42) through a binding band (43).
9. A portable finishing aid, as claimed in claim 4, in which the closure plate holder (5) comprises:
one end of the second extension rod (51) is sleeved at the other end of the second telescopic cylinder rod (34) and is fixedly connected with the second extension rod through a third fixing screw (10);
a flip-up support bracket (52), the flip-up support bracket (52) being connected to the second extension bar (51) by a 90 ° self-locking folding hinge (53).
10. A portable fitment attachment as claimed in claim 9, wherein said reversible support bracket (52) comprises:
the lower surface of one end of the first supporting cross rod (521) is fixedly connected with the upper surface of the 90-degree self-locking folding hinge (53);
one side of the middle part of the connecting cylinder rod (522) is fixedly connected with one end of the first supporting cross rod (521), and the lower surface of the middle part of the connecting cylinder rod (522) is in lap joint with the end face of the other end of the second sleeve rod (51);
scalable supporting rod (523), scalable supporting rod (523) are two, and two scalable supporting rod (523) peg graft respectively and are in connect barrel holder (522) both ends, and respectively through fourth fixed screw (16) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458203.6U CN212154050U (en) | 2020-04-01 | 2020-04-01 | Portable fitment auxiliary stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458203.6U CN212154050U (en) | 2020-04-01 | 2020-04-01 | Portable fitment auxiliary stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212154050U true CN212154050U (en) | 2020-12-15 |
Family
ID=73725988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020458203.6U Expired - Fee Related CN212154050U (en) | 2020-04-01 | 2020-04-01 | Portable fitment auxiliary stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212154050U (en) |
-
2020
- 2020-04-01 CN CN202020458203.6U patent/CN212154050U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |