CN209867581U - Combined duplicate gear pressure distribution tool - Google Patents
Combined duplicate gear pressure distribution tool Download PDFInfo
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- CN209867581U CN209867581U CN201920484077.9U CN201920484077U CN209867581U CN 209867581 U CN209867581 U CN 209867581U CN 201920484077 U CN201920484077 U CN 201920484077U CN 209867581 U CN209867581 U CN 209867581U
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- gear
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- straight
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- 238000009826 distribution Methods 0.000 title claims description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005304 joining Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 238000003754 machining Methods 0.000 description 4
- 238000010862 gear shaping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Abstract
The utility model provides a combination formula duplicate gear joining in marriage presses frock, its pair tooth joining in marriage that satisfies the duplicate gear processing requirement presses, has ensured that two profile of tooth angles are all the same on every one of the duplex planet wheel of same batch, and frock processing cost is low, simple structure, easily processing. The double-planet gear comprises a bottom base plate, a helical gear jacket and a straight gear jacket, wherein a positioning cylindrical groove is formed in the upper end face of the bottom base plate, the helical gear jacket is an annular body, a helical gear inner ring gear is arranged on the inner annular wall of the helical gear jacket, the tooth form of the helical gear inner ring gear is the same as that of a helical gear part of a double-planet gear, the helical gear part of the double-planet gear is sleeved in the helical gear inner ring gear of the helical gear jacket, a first adjusting and locking groove penetrating through the annular body is formed in the radial direction of the helical gear jacket, and the helical gear jacket is locked by the first adjusting and locking; the bottom of the helical tooth jacket is embedded in the positioning cylindrical groove, and one end, far away from the first adjusting locking groove, of the helical tooth jacket is fixedly connected to the corresponding position of the bottom base plate through a screw.
Description
Technical Field
The utility model relates to a technical field of duplicate gear preparation specifically is combination formula duplicate gear joining in marriage and presses frock.
Background
In the common planetary gear transmission application, NW, WW and NGWN type planetary structures exist according to the classification of meshing modes, and all belong to a moving axle gear train. In the above type, the planets are all made up of involute teeth with two different parameters, called twin planets. The machining requirement of the duplex planet wheels is that the precision needs to reach 5-6 levels, and two groups of teeth of each duplex planet wheel need to keep the same tooth angle, so the requirement for machining the duplex gears is higher.
When the requirement on the precision of the equipment is high, the duplex planet wheels and the central wheel both need to reach 5-6-level national standard precision, the duplex planet wheels are limited by the structure, teeth can only be ground on external teeth with larger tooth profiles after ordinary gear shaping, the precision with smaller tooth profiles cannot meet the requirement, and the whole equipment has the disadvantages of high noise, high temperature rise and low precision. The existing advanced truss gear machine can enable duplicate gears to achieve 6-level precision, the same machine tool is used for clamping and processing at one time, each gear is completely the same in processing, but the equipment purchasing cost is high, and the method cannot be implemented under the condition that the equipment cannot be put into use.
The gear shaping machine and the gear grinding machine of the common processing equipment have low cost and simple processing, the duplicate gear is split into separate bodies by adopting a new design mode, two groups of gears are directly pressed and combined into a whole after being subjected to interference fit through a shaft, and because a batch of gears are required to be completely same in tooth alignment, the two groups of gears after being pressed and combined form the same angle, and the precision requirement is difficult to meet under the condition of no advanced combined press and assembly method and tool.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a combination formula duplicate gear joining in marriage presses frock, its pair tooth joining in marriage that satisfies the duplicate gear processing requirement presses, has ensured that two profile of tooth angles are the same on every one of the pair planet wheel of same batch, and frock processing cost is low, simple structure, easily processing.
Combined type duplicate gear pressure distribution tool is characterized in that: the double-planet gear set comprises a bottom base plate, a helical gear jacket and a straight gear jacket, wherein a positioning cylindrical groove is formed in the upper end face of the bottom base plate, the helical gear jacket is a ring body, a helical gear inner ring gear is arranged on the inner ring wall of the helical gear jacket, the tooth form of the helical gear inner ring gear is the same as that of a helical gear part of a double-planet gear, the helical gear part of the double-planet gear is sleeved in the helical gear inner ring gear of the helical gear jacket, a first adjusting and locking groove penetrating through a ring body is formed in the radial direction of the helical gear jacket, and the helical gear jacket is locked by the first adjusting and locking groove through a screw; the bottom of the helical tooth jacket is embedded in the positioning cylindrical groove, and one end of the helical tooth jacket, which is far away from the first adjusting and locking groove, is fixedly connected to the corresponding position of the bottom base plate through a screw; the straight-tooth jacket is an annular body, a straight-tooth inner gear ring is arranged on the inner annular wall of the straight-tooth jacket, the tooth shape of the straight-tooth inner gear ring is the same as that of a straight-tooth part of the duplex planetary gear, the straight-tooth part of the duplex planetary gear is sleeved in the straight-tooth inner gear ring of the straight-tooth jacket, a second adjusting and locking groove penetrating through the annular body is formed in the radial direction of the straight-tooth jacket, and the second adjusting and locking groove adjusts the gap between the straight-tooth part and the straight-tooth inner gear ring through a screw; after the helical tooth part is positioned on the helical tooth jacket, one end of the straight tooth jacket, which is far away from the second adjusting locking groove, is fixedly connected to the corresponding radial position of the helical tooth jacket through an axial cylindrical pin; the straight gear shaft is pressed into the helical gear by the press from top to bottom.
It is further characterized in that:
in a use state, the inner ring at the bottom of the straight-tooth jacket is positioned on the ring surface of the inner ring positioning spigot of the helical-tooth jacket in a downward protruding manner, so that the positioning of the helical-tooth jacket and the straight-tooth jacket is stable and reliable;
the first adjusting locking groove and the second adjusting locking groove are both grooves with the width of 0.5-1.2 mm;
the first adjusting locking groove and the second adjusting locking groove are respectively provided with two screw holes corresponding to the end surfaces of two sides of each ring body, and the two inner hexagonal screws in the corresponding positions are used as screws and respectively penetrate through the screw holes corresponding to one end surface and then are fastened to the screw holes on the other end surface;
a first inner groove is formed in the helical tooth jacket corresponding to a ring body of the first adjusting locking groove and extending to a position which is 0.65-0.75 times of the outer diameter of the helical tooth jacket in the radial direction, so that a helical tooth part can be conveniently inserted into the helical tooth jacket and locked through a screw;
a second inner groove is formed in the straight tooth jacket corresponding to a ring body position of the second adjusting locking groove along the radial direction inwards, the radial depth of the second inner groove extends to a position which is 0.65-0.75 time of the outer diameter of the straight tooth jacket, so that a straight tooth part is conveniently inserted into the straight tooth jacket, and a gap is adjusted through a screw;
at least three concave semicircular grooves are uniformly distributed on the upper peripheral ring of the helical tooth inner gear ring of the helical tooth jacket, the inner edge of each concave semicircular groove is open, the helical tooth part is positioned behind the helical tooth inner gear ring, steel balls corresponding to the number of the concave semicircular grooves are placed into the concave semicircular grooves, the inward convex part of each steel ball ensures that the helical tooth part cannot rotate in a deviated way, and the radial positioning is ensured;
the bottom base plate is provided with avoidance holes corresponding to the inserting position of the straight gear shaft;
the duplex planet wheel is composed of a helical gear and a straight gear shaft, the helical gear is externally provided with a helical tooth part, the helical gear is internally provided with a smooth circular hole, the straight gear shaft is composed of a step shaft, the first shaft section is an optical axis, the second shaft section is provided with a straight-tooth external gear, the third, fourth and fifth shaft sections are all optical axes, and the shaft diameters are gradually reduced.
After the structure of the utility model is adopted, the helical tooth jacket and the bottom backing plate are fastened into a whole, the helical tooth inner gear ring is arranged in the helical tooth jacket, the helical tooth part is sleeved in the helical tooth inner gear ring in a matching way, and the helical tooth jacket is locked by the inner hexagon screw from the side; the helical gear shaft and the straight gear shaft are combined together, an axial cylindrical pin is driven from the axial direction, the axial cylindrical pin penetrates through the straight gear shaft and is driven into the helical gear shaft, a straight gear part on the straight gear shaft is sleeved in the straight gear ring in a matching manner, a gap between the straight gear part and the straight gear ring is adjusted through a screw, the straight gear shaft is pressed in from top to bottom through a press machine, the force is injected in the pressing process, and the pressing needs to be performed slowly; after the process is finished, the side screws are loosened, the straight gear shaft and the bevel gear are integrated, the angle of each part is basically the same, and the deviation is not more than 0.03 mm; the gear matching pressure meeting the processing requirement of the duplex gear ensures that two tooth form angles on each duplex planet gear in the same batch are the same, and the tooling has the advantages of low processing cost, simple structure and easy processing.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
fig. 2 is a schematic structural view of the top view of the present invention (with the straight-tooth jacket removed);
fig. 3 is a schematic top view of the straight-tooth jacket according to the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a bottom base plate 1, a positioning cylindrical groove 101, an avoidance hole 102, a helical tooth jacket 2, a helical tooth inner gear ring 201, a first adjusting locking groove 202, an inner ring positioning spigot ring surface 203, a first inner groove 204, a concave semi-circular groove 205, a straight tooth jacket 3, a straight tooth inner gear ring 301, a second adjusting locking groove 302, a bottom inner ring downward projection 303, a second inner groove 304, a double-unit planetary gear 4, a helical tooth part 41, a straight tooth part 42, a straight gear shaft 43, a helical gear 44, an axial cylindrical pin 5, a screw hole 6 and a steel ball 7.
Detailed Description
The combined duplicate gear matching and pressing tool is shown in figures 1-3: the device comprises a bottom base plate 1, a helical tooth jacket 2 and a straight tooth jacket 3, wherein a positioning cylindrical groove 101 is formed in the upper end face of the bottom base plate 1, the helical tooth jacket 2 is a circular ring body, a helical tooth inner gear ring 201 is arranged on the inner ring wall of the helical tooth jacket 2, the tooth form of the helical tooth inner gear ring 201 is the same as that of a helical tooth part 41 of a duplex planetary gear 4, the helical tooth part 41 of the duplex planetary gear 4 is sleeved in the helical tooth inner gear ring 201 of the helical tooth jacket 2, a first adjusting and locking groove 202 penetrating through the circular ring body is formed in the radial direction of the helical tooth jacket 2, and the helical tooth jacket 2 is locked by the first adjusting and locking groove 202 through a; the bottom of the helical tooth jacket 2 is embedded in the positioning cylindrical groove 101, and one end of the helical tooth jacket 2, which is far away from the first adjusting and locking groove 202, is fixedly connected to the corresponding position of the bottom base plate 1 through a screw; the straight-tooth jacket 3 is a circular ring body, a straight-tooth inner gear ring 301 is arranged on the inner annular wall of the straight-tooth jacket 3, the tooth form of the straight-tooth inner gear ring 301 is the same as that of a straight-tooth part 42 of the duplex planetary gear 4, the straight-tooth part 42 of the duplex planetary gear 4 is sleeved in the straight-tooth inner gear ring 301 of the straight-tooth jacket 3, a second adjusting and locking groove 302 penetrating through the ring body is formed in the radial direction of the straight-tooth jacket 3, and the second adjusting and locking groove 301 adjusts the gap between the straight-tooth part 42 and the straight-tooth inner gear ring 301 through a screw; after the helical tooth part 41 is positioned in the helical tooth jacket 2, one end of the straight tooth jacket 3 far away from the second adjusting locking groove 301 is fixedly connected to the corresponding radial position of the helical tooth jacket 2 through an axial cylindrical pin 5; it also includes a press (not shown in the drawings, belonging to the existing mature press structure) which presses the straight gear shaft 43 into the helical gear 44 from top to bottom.
The inner ring of the bottom of the straight-tooth jacket 3 is positioned on the inner ring positioning spigot ring surface 203 of the helical tooth jacket 2 in a downward convex manner 303 in a using state, so that the positioning of the helical tooth jacket 2 and the straight-tooth jacket 3 is stable and reliable;
the first adjusting locking groove 201 and the second adjusting locking groove 301 are both grooves with the width of 0.5-1.2 mm;
the first adjusting locking groove 201 and the second adjusting locking groove 301 are respectively provided with two screw holes 6 corresponding to the end surfaces of the two sides of the respective ring body, and the two hexagon socket head cap screws serving as screws at the corresponding positions are respectively penetrated through the screw holes 6 corresponding to one end surface and then fastened to the screw holes 6 at the other end surface;
a first inner groove 204 is formed in the helical tooth jacket 2 corresponding to a ring body position of the first adjusting and locking groove 201 along the radial direction, the radial depth of the first inner groove 204 extends to a position which is 0.65-0.75 times of the outer diameter of the helical tooth jacket 2, and the helical tooth part 41 is conveniently inserted into the helical tooth jacket 2 and is locked through a fastening screw;
a second inner groove 304 is formed in the straight-tooth jacket 3 corresponding to the position of a ring body of the second adjusting locking groove 301, which is radially inward along the ring body, the radial depth of the second inner groove 304 extends to the position 0.65-0.75 times of the outer diameter of the straight-tooth jacket 3, so that the straight-tooth part 42 is conveniently inserted into the straight-tooth jacket 3, and the gap is adjusted through a fastening screw;
at least three lower concave semi-circular grooves 205 are uniformly distributed on the upper peripheral ring of the helical tooth inner gear ring 201 of the helical tooth jacket 2, the inner edge of each lower concave semi-circular groove 205 is opened, the steel balls 7 corresponding to the number of the lower concave semi-circular grooves 205 are placed into the lower concave semi-circular grooves 205 after the helical tooth part 41 is positioned on the helical tooth inner gear ring 2, the inward convex part of each steel ball 7 ensures that the helical tooth part 41 cannot deviate and rotate, and the radial positioning is ensured;
in a specific embodiment, the number of the concave semicircular grooves 205 is three;
the bottom base plate 1 is provided with avoidance holes 102 corresponding to the insertion position of the straight gear shaft 43;
the duplex planet gear 4 consists of a helical gear 44 and a straight gear shaft 43, wherein the helical gear 44 is externally provided with a helical gear part 41, the helical gear 44 is internally provided with a smooth circular hole, and the straight gear shaft 43 consists of a stepped shaft, the first shaft section is an optical axis, the second shaft section is provided with a straight-tooth external gear, the external part of the straight-tooth external gear is a straight-tooth part 42, the third, fourth and fifth shaft sections are all optical axes, and the shaft diameters are sequentially reduced.
The helical tooth jacket and the bottom base plate are fastened into a whole, a helical tooth inner gear ring is arranged in the helical tooth jacket, a helical tooth part is sleeved in the helical tooth inner gear ring in a matching manner, the helical tooth jacket is locked by an inner hexagon screw from the side, three steel balls are arranged and respectively placed in three concave semicircular grooves on the helical tooth jacket, and the helical tooth part of the helical gear is fixed; the helical tooth jacket and the straight tooth jacket are combined together, an axial cylindrical pin is driven in from the axial direction, the axial cylindrical pin penetrates through the straight tooth jacket and is driven into the helical tooth jacket, so that the straight tooth jacket and the helical tooth jacket keep a fixed angle and are positioned through a spigot; the straight tooth part on the straight gear shaft is sleeved in the straight tooth inner gear ring in a matching manner, the gap between the straight tooth part and the straight tooth inner gear ring is adjusted through a screw, the straight gear shaft is pressed in from top to bottom through a press machine, and the pressing needs to be performed slowly by means of attention and force in the pressing process; after the process is finished, the side screws are loosened, the straight gear shaft and the bevel gear are integrated, the angle of each part is basically the same, and the deviation is not more than 0.03 mm; the gear matching pressure meeting the processing requirement of the duplex gear ensures that two tooth form angles on each duplex planet gear in the same batch are the same, and the tooling has the advantages of low processing cost, simple structure and easy processing.
The beneficial effects are as follows: 1. the precision of two groups of teeth can be improved simultaneously by the split design of the duplex planet wheel, and the cost for purchasing high-precision equipment is saved on the premise of meeting the precision requirement by the gear grinding process with low processing cost; 2. the tool is simple and feasible, the cost is low, the machining tooth shape of the tool adopts gear shaping, the machining cost is low, and the precision is high; 3. the tool has simple structure, only consists of a plurality of parts, and has short processing time and no complex process; 4. the press mounting process is simple, no too high operation skill exists, and the press mounting process can be finished by common assembly workers; 5. the reproducibility is high, and each processed finished product can meet the requirements.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. Combined type duplicate gear pressure distribution tool is characterized in that: the double-planet gear set comprises a bottom base plate, a helical gear jacket and a straight gear jacket, wherein a positioning cylindrical groove is formed in the upper end face of the bottom base plate, the helical gear jacket is a ring body, a helical gear inner ring gear is arranged on the inner ring wall of the helical gear jacket, the tooth form of the helical gear inner ring gear is the same as that of a helical gear part of a double-planet gear, the helical gear part of the double-planet gear is sleeved in the helical gear inner ring gear of the helical gear jacket, a first adjusting and locking groove penetrating through a ring body is formed in the radial direction of the helical gear jacket, and the helical gear jacket is locked by the first adjusting and locking groove through a screw; the bottom of the helical tooth jacket is embedded in the positioning cylindrical groove, and one end of the helical tooth jacket, which is far away from the first adjusting and locking groove, is fixedly connected to the corresponding position of the bottom base plate through a screw; the straight-tooth jacket is an annular body, a straight-tooth inner gear ring is arranged on the inner annular wall of the straight-tooth jacket, the tooth shape of the straight-tooth inner gear ring is the same as that of a straight-tooth part of the duplex planetary gear, the straight-tooth part of the duplex planetary gear is sleeved in the straight-tooth inner gear ring of the straight-tooth jacket, a second adjusting and locking groove penetrating through the annular body is formed in the radial direction of the straight-tooth jacket, and the second adjusting and locking groove adjusts the gap between the straight-tooth part and the straight-tooth inner gear ring through a screw; after the helical tooth part is positioned on the helical tooth jacket, one end of the straight tooth jacket, which is far away from the second adjusting locking groove, is fixedly connected to the corresponding radial position of the helical tooth jacket through an axial cylindrical pin; the straight gear shaft is pressed into the helical gear by the press from top to bottom.
2. The combined duplicate gear matching and pressing tool according to claim 1, wherein: and in a use state, the inner ring at the bottom of the straight tooth jacket is positioned on the ring surface of the inner ring positioning spigot of the helical tooth jacket in a downward protruding manner.
3. The combined duplicate gear matching and pressing tool according to claim 1, wherein: the first adjusting locking groove and the second adjusting locking groove are both grooves with the width of 0.5-1.2 mm.
4. The combined duplicate gear matching and pressing tool according to claim 3, wherein: the first adjustment locking groove and the second adjustment locking groove are respectively provided with two screw holes corresponding to the end faces of the two sides of each ring body, and the two inner hexagonal screws in the corresponding positions are fastened in the screw holes of the other end face after penetrating through the screw holes of the corresponding end face respectively as screws.
5. The combined duplicate gear matching and pressing tool according to claim 4, wherein: the helical tooth jacket is provided with a first inner groove corresponding to a ring body position of the first adjusting locking groove along the radial direction, and the radial depth of the first inner groove extends to a position which is 0.65-0.75 times of the outer diameter of the helical tooth jacket.
6. The combined duplicate gear matching and pressing tool according to claim 4, wherein: and a second inner groove is formed in the straight tooth jacket at a position corresponding to a ring body of the second adjusting and locking groove and along the radial direction, and the radial depth of the second inner groove extends to a position which is 0.65-0.75 times of the outer diameter of the straight tooth jacket.
7. The combined duplicate gear matching and pressing tool according to claim 1, wherein: at least three concave semicircular grooves are uniformly distributed on the upper peripheral ring of the helical gear inner gear ring of the helical gear jacket, the inner edge of each concave semicircular groove is open, the helical gear part is positioned behind the helical gear inner gear ring, and steel balls corresponding to the number of the concave semicircular grooves are placed in the concave semicircular grooves.
8. The combined duplicate gear matching and pressing tool according to claim 1, wherein: and the bottom base plate is provided with an avoiding hole corresponding to the insertion position of the straight gear shaft.
9. The combined duplicate gear matching and pressing tool according to claim 1, wherein: the duplex planet wheel is composed of a helical gear and a straight gear shaft, the helical gear is externally provided with a helical gear part, the helical gear is internally provided with a smooth circular hole, the straight gear shaft is composed of a step shaft, the first shaft section is an optical axis, the second shaft section is provided with a straight-tooth external gear, the third, fourth and fifth shaft sections are all optical axes, and the shaft diameters are gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484077.9U CN209867581U (en) | 2019-04-11 | 2019-04-11 | Combined duplicate gear pressure distribution tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484077.9U CN209867581U (en) | 2019-04-11 | 2019-04-11 | Combined duplicate gear pressure distribution tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209867581U true CN209867581U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920484077.9U Expired - Fee Related CN209867581U (en) | 2019-04-11 | 2019-04-11 | Combined duplicate gear pressure distribution tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209867581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877394A (en) * | 2019-04-11 | 2019-06-14 | 苏州科峰英诺传动技术有限公司 | Combined type duplicate gear is with pressure tooling |
-
2019
- 2019-04-11 CN CN201920484077.9U patent/CN209867581U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877394A (en) * | 2019-04-11 | 2019-06-14 | 苏州科峰英诺传动技术有限公司 | Combined type duplicate gear is with pressure tooling |
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| 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: 20191231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |