CN209755454U - Circular saw lifting mechanism and lifting circular saw - Google Patents
Circular saw lifting mechanism and lifting circular saw Download PDFInfo
- Publication number
- CN209755454U CN209755454U CN201822181938.4U CN201822181938U CN209755454U CN 209755454 U CN209755454 U CN 209755454U CN 201822181938 U CN201822181938 U CN 201822181938U CN 209755454 U CN209755454 U CN 209755454U
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- hole
- connecting plate
- circular saw
- horizontal
- lifting mechanism
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Abstract
The utility model relates to a circular saw elevating system and over-and-under type circular saw, including horizontal bearing structure, stand, connecting plate, centre gripping motor and lift cylinder, the lower extreme perpendicular to of stand horizontal bearing structure set up and with horizontal bearing structure connects, respectively will two terminal surface definitions of connecting plate are first terminal surface and second terminal surface, be equipped with the slide rail along vertical setting on the stand, be equipped with on the first terminal surface of connecting plate with the slider that the slide rail corresponds, the connecting plate passes through the slider joint in the slide rail of stand and with slide rail sliding connection, the centre gripping motor is fixed in on the second terminal surface of connecting plate and can make elevating movement along with the connecting plate. The utility model provides a pair of circular saw elevating system and over-and-under type circular saw can guarantee that circular saw constructs long service life in frequent elevating work, and the action precision is high, and the adjustment is convenient.
Description
Technical Field
The utility model relates to a cutting equipment field, concretely relates to circular saw elevating system and over-and-under type circular saw.
Background
the circular saw is a common woodworking machinery equipment in wood processing, specially carries out fixed length, fixed width or fixed angle processing to wood, some equipment still need the action of dynamic control circular saw, the circular saw disc stretches out when processing, after processing, the saw disc retracts, this telescopic machanism that requires the circular saw motion precision height, the structure is durable, operation adjustment is simple, consequently, research various action structures of circular saw is very necessary in order to adapt to various production operating modes of circular saw.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circular saw elevating system and over-and-under type circular saw can guarantee that circular saw constructs long service life in frequent elevating work, and the action precision is high, and the adjustment is convenient.
In order to achieve the above object, the utility model provides a circular saw lifting mechanism, which comprises a horizontal supporting structure, a vertical column, a connecting plate, a clamping motor and a lifting cylinder, wherein the lower end of the vertical column is perpendicular to the horizontal supporting structure and is connected with the horizontal supporting structure, two end faces of the connecting plate are respectively defined as a first end face and a second end face, the vertical column is provided with a slide rail which is vertically arranged, the first end face of the connecting plate is provided with a slide block corresponding to the slide rail, the connecting plate is clamped in the slide rail of the vertical column through the slide block and is slidably connected with the slide rail, the lifting cylinder is fixed on the horizontal supporting structure and is parallel to the vertical column, the end face of the connecting plate is provided with a first through hole, the upper end of the lifting cylinder is provided with an inserting block corresponding to the first through hole, the inserting block is inserted in the first through hole and is fixedly connected with the first through hole, the clamping motor is fixed on the second end face of the connecting plate and can move up and down along with the piston rod of the lifting cylinder.
As a preferred scheme, the horizontal support structure includes horizontal guide rail, horizontal support panel, coupling assembling and the locking structure that is used for supporting, the lower terminal surface of horizontal support panel is equipped with open type linear bearing, horizontal support panel pass through open type linear bearing with horizontal guide rail sliding connection, the locking structure with open type linear bearing is connected and will open type linear bearing's position for horizontal guide rail locking, the stand pass through coupling assembling with horizontal support panel fixed connection.
As preferred scheme, coupling assembling includes first bolt, first nut and connecting block, the connecting block is cylindricly, the lower extreme side of stand be equipped with the level set up and with the corresponding cylinder through-hole of connecting block, the lower terminal surface of stand is equipped with the perpendicular to the blind hole of cylinder through-hole, the blind hole orientation cylinder through-hole extend and with cylinder through-hole intercommunication, the upper surface of connecting block is equipped with downwardly extending's counter sink, horizontal support panel's surface be equipped with the corresponding mounting hole of blind hole, the internal diameter homogeneous phase of counter sink, blind hole and mounting hole just all aligns the setting, first bolt runs through respectively counter sink, blind hole and mounting hole and with first nut fastening connection.
As a preferred scheme, the number of the horizontal guide rails is 2,2 horizontal guide rails are arranged in parallel, the number of the open type linear bearings is 4, two open type linear bearings are arranged on each horizontal guide rail, the locking structure adopts a spanner bolt, a threaded hole which penetrates through an opening at the lower end of each linear bearing is formed in the side surface of each linear bearing, and the spanner bolt is inserted into the threaded hole.
Preferably, a T-shaped groove which is horizontally arranged and penetrates through the side face of the clamping motor and is T-shaped in cross section is formed in the surface of the clamping motor, a third through hole which is perpendicular to the T-shaped groove is formed in the surface of the connecting plate, the clamping motor is fixedly connected with the connecting plate through a second bolt and a second nut, the second nut is clamped in the T-shaped groove, and the second bolt penetrates through the third through hole and is locked and fixed with the second nut.
Preferably, the connecting plate is further provided with an adjusting block which is connected with the clamping motor and can adjust the angle of the clamping motor in the second end face.
As preferred scheme, the quantity of stand is 2, lift cylinder sets up in 2 the middle part of stand.
As the preferred scheme, the slide rails with T-shaped cross sections and arranged vertically are arranged on two sides of the upright post, and the slide blocks are clamped in the slide rails and are connected with the slide rails in a sliding manner.
Preferably, the first through hole is a strip-shaped hole horizontally arranged on the end surface of the connecting plate, and the connecting plate and the insertion block are locked and fixed by a third bolt extending from the upper end surface of the connecting plate to the insertion block.
In order to realize the same purpose, the utility model also provides an over-and-under type circular saw, including the saw bit of disc with circular saw elevating system, the saw bit with the output shaft of centre gripping motor.
According to the circular saw lifting mechanism and the lifting circular saw, the circular saw blade is clamped by the clamping motor, and the process of controlling the saw blade to do lifting motion is as follows: drive the connecting plate through lift cylinder and make elevating movement, and then drive the saw bit and make elevating movement, because the connecting plate pass through the slider joint in the slide rail of stand, so the connecting plate only possesses the edge the gliding degree of freedom, other degrees of freedom of making a round trip are all retrained to the slide rail, so, can guarantee the saw bit only possesses along the vertical degree of freedom of making elevating movement, and then guarantees the action precision of saw bit, in addition, firm in connection between each component part of circular saw elevating system and over-and-under type circular saw can improve circular saw mechanism life in frequent elevating work.
drawings
Fig. 1 is a schematic perspective view of an elevating circular saw according to an embodiment of the present invention;
Fig. 2 is a rear view schematically illustrating the elevation type circular saw according to the embodiment of the present invention;
FIG. 3 is a schematic view of a connection assembly configuration;
FIG. 4 is a schematic view of the connection plate to the clamping motor;
FIG. 5 is an exploded view of the horizontal support structure in connection with the vertical column;
Fig. 6 is a schematic structural view of the connection between the lifting cylinder and the connection plate.
Wherein, 1, horizontal guide rail; 2. a spanner bolt; 3. an open type linear bearing; 4. a horizontal support panel; 5. a connecting assembly; 6. a column; 7. a slider; 8. a slide rail; 9. a connecting plate; 10. a third bolt; 11. a clamping motor; 12. an adjusting block; 13. an insertion block; 14. a cylinder mounting seat; 15. a first nut; 16. a first bolt; 17. connecting blocks; 18. the cylinder is connected with an accessory; 19. a type I connector; 20. a lifting cylinder; A. a first through hole; B. a "T" shaped slot; 21. a second bolt; 22. a second nut; k1, blind hole; k2, counter sink; k3, mounting holes.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
referring to fig. 1-6, for the circular saw lifting mechanism provided by the present invention, it includes a horizontal supporting structure, a vertical column 6, a connecting plate 9, a clamping motor 11 and a lifting cylinder 20, the lower end of the vertical column 6 is perpendicular to the horizontal supporting structure and is connected with the horizontal supporting structure, two end faces of the connecting plate 9 are defined as a first end face and a second end face respectively, the vertical column 6 is provided with a slide rail 8 vertically arranged, the first end face of the connecting plate 9 is provided with a slide block 7 corresponding to the slide rail 8, the connecting plate 9 is clamped in the slide rail 8 of the vertical column 6 through the slide block 7 and is slidably connected with the slide rail, the lifting cylinder 20 is fixed on the horizontal supporting structure and is parallel to the vertical column 6, the end face of the connecting plate 9 is provided with a first through hole a, the upper end of the lifting cylinder 20 is provided with an inserting block 13 corresponding to the first through hole a, the plug-in block 13 is inserted into the first through hole a and is fixedly connected with the first through hole a, and the clamping motor 11 is fixed on the second end face of the connecting plate 9 and can move up and down along with the piston rod of the lifting cylinder 20. Specifically, the disc-shaped saw blade is clamped by the clamping motor 11, and the process of controlling the saw blade to do lifting motion is as follows: drive connecting plate 9 through lift cylinder 20 and make elevating movement, and then drive the saw bit and make elevating movement, because connecting plate 9 pass through 7 joints of slider in the slide rail 8 of stand 6, so connecting plate 9 only possesses the edge slide rail 8 is made and is made the gliding degree of freedom that makes a round trip, other degrees of freedom all are restrained, so, can guarantee the saw bit only possesses the degree of freedom of following vertical work elevating movement, and then guarantees the action precision of saw bit, in addition, firm in connection between disc saw elevating system and each component part of over-and-under type disc saw can improve disc saw mechanism life in frequent elevating work.
referring to fig. 1 and fig. 2 and 5 in a schematic manner, in order to further facilitate the adjustability of the position of the circular saw, in this embodiment, the horizontal support structure includes a horizontal guide rail 1 for supporting, a horizontal support panel 4, a connecting assembly 5 and a locking structure, the lower end surface of the horizontal support panel 4 is provided with an open linear bearing 3, the horizontal support panel 4 is slidably connected to the horizontal guide rail 1 through the open linear bearing 3, the locking structure is connected to the open linear bearing 3 and locks the position of the open linear bearing 3 with respect to the horizontal guide rail 1, and the upright 6 is fixedly connected to the horizontal support panel 4 through the connecting assembly 5. Therefore, the horizontal support panel 4 can drive the saw blade to slide along the horizontal direction through the horizontal guide rail 1, and after the horizontal position of the saw blade is adjusted, the position of the horizontal support panel 4 can be locked relative to the horizontal guide rail 1 through the locking structure, so that the horizontal position of the saw blade can be locked. Preferably, the locking structure is a spanner bolt 2, a threaded hole penetrating through the lower end opening of the linear bearing is formed in the side face of the linear bearing, the spanner bolt 2 is inserted into the threaded hole, and when one end of the spanner bolt 2 abuts against and is pressed on the surface of the horizontal guide rail 1, the horizontal position of the saw blade can be locked.
Referring to fig. 5, in order to ensure the connection stability of the horizontal support structure and the upright post 6 and improve the service life of the circular saw lifting mechanism, in this embodiment, the connection assembly 5 includes a first bolt 16, a first nut 15 and a connection block 17, the connection block 17 is cylindrical, a cylindrical through hole horizontally arranged and corresponding to the connection block 17 is arranged on the side surface of the lower end of the upright post 6, a blind hole K1 perpendicular to the cylindrical through hole is arranged on the lower end surface of the upright post 6, the blind hole K1 extends toward and is communicated with the cylindrical through hole, a countersunk hole K2 extending downward is arranged on the upper surface of the connection block 17, a mounting hole K3 corresponding to the blind hole K1 is arranged on the surface of the horizontal support panel 4, the inner diameters of the countersunk hole K2, the blind hole K1 and the mounting hole K3 are all the same and are all aligned, and the first bolt 16 respectively penetrates through the countersunk hole K2, the blind hole K1, blind hole K1 and mounting hole K3 and with first nut 15 fastening connection, so, can guarantee the lower extreme of stand 6 with the stability of being connected between the horizontal support panel 4, and then improve circular saw elevating system's life.
Further, referring to fig. 1, in this embodiment, the number of the horizontal guide rails 1 is 2,2 horizontal guide rails 1 are arranged in parallel, the number of the open linear bearings 3 is 4, and two open linear bearings 3 are arranged on each horizontal guide rail 1, so that the horizontal support panel 4 only has the degree of freedom of moving back and forth along the horizontal guide rail 1, and other degrees of freedom are constrained, thereby ensuring the stability of the horizontal movement of the saw blade driven by the horizontal support panel 4 and improving the movement precision of the saw blade when adjusting the horizontal position.
Referring to fig. 1 and fig. 4, in order to ensure the connection between the clamping motor 11 and the connecting plate 9, in this embodiment, a "T" shaped groove B, which is horizontally arranged and penetrates through the side surface of the clamping motor 11, is in a "T" shape in cross section, a third through hole perpendicular to the "T" shaped groove B is arranged on the surface of the connecting plate 9, the clamping motor 11 and the connecting plate 9 are fixedly connected through a second bolt 21 and a second nut 22, the second nut 22 is clamped in the "T" shaped groove B, the second bolt 21 penetrates through the third through hole and is locked and fixed with the second nut 22, preferably, four corners of the side surface of the clamping motor 11 connected with the connecting plate 9 are all fixedly connected with the connecting plate 9 through the second bolt 21 and the second nut 22, so that, the firmness of connection between the clamping motor 11 and the connecting plate 9 can be ensured, and the service life of the circular saw lifting mechanism is further prolonged.
Referring to fig. 4, in order to further improve the precision of the movement of the saw blade, in this embodiment, the connecting plate 9 is further provided with an adjusting block 12 connected to the clamping motor 11 and capable of adjusting the angle of the clamping motor 11 in the second end surface, specifically, in the process of installing the clamping motor 11, the adjusting block 12 is used to adjust the angle of the clamping motor 11 in the second end surface, so as to adjust the partial verticality, thereby ensuring the installation precision of the clamping motor 11, and after the adjustment, the adjusting block 12 is locked by a nut arranged on the adjusting block 12, so that the change of the verticality in the working process of the circular saw can be avoided, and the verticality of the product processed by the lifting circular saw provided in this embodiment can be further improved.
Referring to fig. 2, in order to ensure the stability of the connection plate 9 driving the saw blade to perform the lifting motion, in this embodiment, the number of the columns 6 is 2, and the lifting cylinders 20 are disposed in the middle of 2 of the columns 6, so that the connection plate 9 can only have the freedom degree of the lifting motion along the vertical direction, and the stability of the connection plate 9 driving the saw blade to perform the lifting motion can be ensured, preferably, in this embodiment, the horizontal support panel is provided with the cylinder mounting seat 14 for mounting the lifting cylinder 20, and the upper end of the lifting cylinder 20 is sequentially provided with the I-shaped connecting member 19, the cylinder connecting accessory 18, and the insertion block 13 from bottom to top, so that the stability of the connection between the lifting cylinder 20 and the connection plate 9 can be further ensured; in addition, the insertion block 13 is inserted into the center line of symmetry of the connecting plate 9, so as to ensure that the whole stress of the connecting plate 9 is relatively uniform, and further ensure the stability of the connecting plate 9 driving the saw blade to perform lifting motion.
Referring to fig. 1 and fig. 2 and fig. 5, in this embodiment, the two sides of the upright post 6 are both provided with the slide rails 8 with T-shaped cross sections, and the slide blocks 7 are clamped in the slide rails 8 and slidably connected with the slide rails 8, so that the firmness of the connection between the connecting plate 9 and the upright post 6 can be ensured, and meanwhile, the connecting plate 9 can be ensured to have only the freedom degree of reciprocating motion along the vertical direction, and the motion precision of the circular saw can be ensured while the service life of the circular saw is prolonged.
Referring to fig. 6, in the embodiment, the first through hole a is a strip-shaped hole horizontally disposed on the end surface of the connecting plate 9, and the connecting plate 9 and the inserting block 13 are locked and fixed by the third bolt 10 extending from the upper end surface of the connecting plate 9 to the inserting block 13, so that the firmness of the connection between the inserting block 13 and the connecting plate 9 can be ensured, and the service life of the circular saw is further prolonged.
In addition, to achieve the same purpose, please refer to fig. 1-2, this embodiment further provides a lifting circular saw, which includes a circular saw blade and the circular saw lifting mechanism, wherein the saw blade is connected to the output shaft of the clamping motor 11.
To sum up, according to the circular saw lifting mechanism and the lifting circular saw provided by the technical scheme, the lifting cylinder 20 drives the connecting plate 9 to do lifting motion and further drive the saw blade to do lifting motion, and the connecting plate 9 is clamped in the slide rail 8 of the upright post 6 through the slide block 7, so that the connecting plate 9 only has the freedom degree of back-and-forth sliding along the slide rail 8, and other freedom degrees are constrained, so that the saw blade only has the freedom degree of vertical lifting motion, and further the motion precision of the saw blade is ensured; the horizontal guide rail 1, the horizontal support panel 4, the connecting assembly 5 and the locking structure are arranged, so that the position adjustability of the circular saw can be further facilitated; in addition, the circular saw lifting mechanism and the lifting circular saw are firmly connected with each other, so that the service life of the mechanism of the circular saw in frequent lifting work can be prolonged.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A circular saw lifting mechanism is characterized by comprising a horizontal supporting structure, an upright post, a connecting plate, a clamping motor and a lifting cylinder, wherein the lower end of the upright post is perpendicular to the horizontal supporting structure and is connected with the horizontal supporting structure, two end faces of the connecting plate are respectively defined as a first end face and a second end face, the upright post is provided with a slide rail which is vertically arranged, the first end face of the connecting plate is provided with a slide block corresponding to the slide rail, the connecting plate is clamped in the slide rail of the upright post through the slide block and is in sliding connection with the slide rail, the cylinder body of the lifting cylinder is fixed on the horizontal supporting structure and is arranged in parallel with the upright post, the end face of the connecting plate is provided with a first through hole, the upper end of the piston rod of the lifting cylinder is provided with an inserting block corresponding to the first through hole, the inserting block is inserted in the first through hole and is fixedly connected with the first through hole, the clamping motor is fixed on the second end face of the connecting plate and can move up and down along with the piston rod of the lifting cylinder.
2. The circular saw lifting mechanism as recited in claim 1, wherein the horizontal support structure comprises a horizontal guide rail for supporting, a horizontal support panel, a connecting assembly and a locking structure, the lower end surface of the horizontal support panel is provided with an open linear bearing, the horizontal support panel is slidably connected with the horizontal guide rail through the open linear bearing, the locking structure is connected with the open linear bearing and locks the position of the open linear bearing relative to the horizontal guide rail, and the stand column is fixedly connected with the horizontal support panel through the connecting assembly.
3. The circular saw lifting mechanism according to claim 2, wherein the connecting assembly comprises a first bolt, a first nut and a connecting block, the connecting block is cylindrical, a horizontal through hole is formed in the side face of the lower end of the stand column and corresponds to the connecting block, a blind hole perpendicular to the cylindrical through hole is formed in the lower end face of the stand column, the blind hole faces the cylindrical through hole, extends and is communicated with the cylindrical through hole, a countersunk hole extending downwards is formed in the upper surface of the connecting block, a mounting hole corresponding to the blind hole is formed in the surface of the horizontal supporting panel, the inner diameters of the countersunk hole, the blind hole and the mounting hole are identical and are arranged in an aligned mode, and the first bolt penetrates through the countersunk hole, the blind hole and the mounting hole respectively and is fastened and connected with the first nut.
4. The circular saw lifting mechanism as recited in claim 2, wherein the number of the horizontal guide rails is 2,2 of the horizontal guide rails are arranged in parallel, the number of the open linear bearings is 4, two open linear bearings are arranged on each horizontal guide rail, the locking structure is a wrench bolt, a threaded hole penetrating through the lower end opening of each linear bearing is formed in the side surface of each linear bearing, and the wrench bolt is inserted into the threaded hole.
5. The circular saw lifting mechanism as recited in claim 1, wherein a T-shaped groove is horizontally disposed on a surface of the clamping motor and penetrates through a side surface of the clamping motor, the T-shaped groove has a T-shaped cross section, a third through hole perpendicular to the T-shaped groove is disposed on a surface of the connecting plate, the clamping motor and the connecting plate are fixedly connected through a second bolt and a second nut, the second nut is clamped in the T-shaped groove, and the second bolt penetrates through the third through hole and is locked and fixed with the second nut.
6. The circular saw lifting mechanism as recited in claim 1, wherein the connecting plate further comprises an adjustment block coupled to the clamping motor for adjusting an angle of the clamping motor in the second end surface.
7. The circular saw lifting mechanism as recited in claim 1, wherein the number of the columns is 2, and the lifting cylinder is disposed in a middle portion of the 2 columns.
8. The circular saw lifting mechanism as recited in claim 7, wherein the vertical slide rails with a T-shaped cross section are disposed on both sides of the upright post, and the slider is engaged with the slide rails and slidably connected to the slide rails.
9. The circular saw lifting mechanism as claimed in claim 1, wherein the first through hole is a strip-shaped hole horizontally disposed on an end surface of the connecting plate, and the connecting plate is locked with the plug block by a third bolt extending from an upper end surface of the connecting plate to the plug block.
10. An elevating circular saw comprising a circular disc shaped saw blade and the circular saw elevating mechanism of any one of claims 1 to 9, wherein the saw blade is connected to an output shaft of the chucking motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822181938.4U CN209755454U (en) | 2018-12-24 | 2018-12-24 | Circular saw lifting mechanism and lifting circular saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822181938.4U CN209755454U (en) | 2018-12-24 | 2018-12-24 | Circular saw lifting mechanism and lifting circular saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209755454U true CN209755454U (en) | 2019-12-10 |
Family
ID=68747337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822181938.4U Expired - Fee Related CN209755454U (en) | 2018-12-24 | 2018-12-24 | Circular saw lifting mechanism and lifting circular saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209755454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483649A (en) * | 2018-12-24 | 2019-03-19 | 山东省宜华家具有限公司 | A kind of circular saw elevating mechanism and lift circular saw |
-
2018
- 2018-12-24 CN CN201822181938.4U patent/CN209755454U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483649A (en) * | 2018-12-24 | 2019-03-19 | 山东省宜华家具有限公司 | A kind of circular saw elevating mechanism and lift circular saw |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |