CN207713929U - A kind of flatcar sewing machine - Google Patents
A kind of flatcar sewing machine Download PDFInfo
- Publication number
- CN207713929U CN207713929U CN201721605456.6U CN201721605456U CN207713929U CN 207713929 U CN207713929 U CN 207713929U CN 201721605456 U CN201721605456 U CN 201721605456U CN 207713929 U CN207713929 U CN 207713929U
- Authority
- CN
- China
- Prior art keywords
- umbrella cloth
- sewing machine
- pinch rolls
- over pinch
- carry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a kind of flatcar sewing machines, the auxiliary traction tensioning frame that umbrella cloth can be tiled on it is provided on front side of work top, rear side is provided with umbrella cloth draft gear, umbrella cloth draft gear, which draws umbrella cloth, to be passed through by the side place to be stapled of umbrella cloth below sewing machine suture needle, and umbrella cloth deviation detecting device is provided on work top；Wherein umbrella cloth draft gear includes upper carry-over pinch rolls and lower carry-over pinch rolls, and umbrella cloth draft gear is driven by carry-over pinch rolls big belt wheel, and carry-over pinch rolls big belt wheel is connected by belt with increased small pulley in sewing machine body shaft；Umbrella cloth deviation detecting device includes the pedestal being arranged on work top, it is provided with hinged seat on front side of the upper surface of the pedestal, the front end of detection arm is by pin hinges on hinged seat, the side of detection arm pressure roller is installed by shaft, the roll surface of pressure roller is contacted with base upper surface, detect be provided on the downside of the tail end of arm can up and down adjustment probe, be provided with sensor on the pedestal of the underface of probe.Realize the automatic traction of umbrella cloth.
Description
Technical field
The utility model is related to a kind of flatcar sewing machines, belong to mechanical structure field.
Background technology
When making umbrella, first has to umbrella cloth cutting into strip, then cut into triangle again, cutting strip
After shape, need to close the palpus side seam of bar shaped umbrella cloth, this just needs to use flatcar sewing machine.
Current flatcar sewing machine includes rack and the sewing machine body on the work top of rack, and motor drives flat
Axle rotates, and can realize flatcar ontology automatic sewing, but worker is needed constantly to move umbrella cloth manually, the part that will have been sutured
It removes, to realize continuous suture.Worker needs to be sitting in by flatcar always, ceaselessly operates, and labor intensity is big, labor cost
It is high.
Utility model content
The purpose of this utility model is that in view of the above-mentioned problems, a kind of flatcar sewing machine of automatic traction umbrella cloth of offer, drop
Low labour cost.
For this purpose, technical solution used by the utility model is：A kind of flatcar sewing machine, including rack and positioned at rack
Sewing machine body on work top, it is characterised in that：It is provided on front side of the work top and umbrella cloth can be tiled on it
Auxiliary traction tensioning frame, rear side is provided with umbrella cloth draft gear, the umbrella cloth draft gear traction umbrella cloth by umbrella cloth side
Place to be stapled is ceaselessly passed through below sewing machine suture needle, and sewing machine suture needle rear is provided with the inspection of umbrella cloth sideslip on the work top
Survey device；
The wherein described umbrella cloth draft gear includes upper carry-over pinch rolls and lower carry-over pinch rolls, umbrella cloth from upper carry-over pinch rolls and lower carry-over pinch rolls it
Between pass through, umbrella cloth draft gear is driven by carry-over pinch rolls big belt wheel, and the carry-over pinch rolls big belt wheel passes through belt and sewing machine body
Increased small pulley is connected in shaft；
The umbrella cloth deviation detecting device includes the pedestal being arranged on work top, the front side in the upper surface of the pedestal
It is provided with hinged seat, detects the front end of arm by pin hinges on hinged seat, the side of the detection arm is installed by shaft
The roll surface of pressure roller, pressure roller is contacted with base upper surface, and umbrella cloth suture side is passed through between pressure roller and pedestal, the tail of the detection arm
End downside be provided with can up and down adjustment probe, be provided with sensor, the letter of sensor on the pedestal of the underface of the probe
Number output end is connected with the signal receiving end of controller, and the sewing machine body control terminal of controller is connected with sewing machine body, when
When having umbrella cloth to pass through between pressure roller and base upper surface, detection arm can lift a bit, and probe is detached with sensor surface at this time,
When there is no umbrella cloth to pass through, probe and sensor contacts.
Using the above scheme, umbrella cloth is layered on umbrella cloth auxiliary traction tensioning frame, and umbrella cloth is drawn by umbrella cloth draft gear
Constantly the part sutured is moved backward, realizes that flatcar sewing machine draws umbrella cloth automatically, liberates worker labour.
When there is umbrella cloth sideslip, when passing through between pressure roller and base upper surface without umbrella cloth, probe will be with sensor sheet
Face contacts, and signal is passed to controller by sensor, and controller controls the parking of flatcar sewing machine body, waits for worker's correction.
In said program：The auxiliary traction tensioning frame includes left socle and right support, between left socle and right support
It is provided at least two groups steel pipe, every group of steel pipe is three, wherein one is located at other two tops, and the steel being located above
Pipe is located below among two steel pipes, between underlying two steel pipes setting left socle and the adjacent side of right support, on
The steel pipe of side is arranged between left socle and the upper surface of right support, is arranged on an at least steel pipe for lower section and umbrella cloth is avoided to run
Inclined umbrella cloth position limiting structure, umbrella cloth position limiting structure can be along steel pipe adjusting positions.In use, umbrella cloth passes through the top of every group of steel pipe
Steel pipe and the steel pipe of lower section between, allow umbrella cloth to be laid on the steel pipe of lower section, the steel pipe of top plays the role of upper limit, allows umbrella
The wherein side of cloth is limited by umbrella cloth position limiting structure, is kept away close to the wherein side of auxiliary traction tensioning frame, the other side of umbrella cloth
Exempt from umbrella cloth sideslip.
In said program：The umbrella cloth position limiting structure is the ticket-holder being clipped on steel pipe.Ticket-holder is easy to get.Installation and movement side
Just.
In said program：The umbrella cloth position limiting structure is the moveable sleeve being sleeved on steel pipe, which passes through locking
Screw rod is locked on steel pipe.
In said program：The umbrella cloth draft gear further includes the end fixed mounting of left and right side and middle fixed mounting,
The middle fixed seat is divided into two parts, upper part up and down and is fixed in lower part by the way that screw rod is adjustable, the left and right side
The lower part of fixed mounting and middle fixed mounting is held to be mounted on rack trailing flank, the roll shaft both ends of the lower carry-over pinch rolls cover respectively
In the axis hole on the end fixed mounting of left and right side, centre passes through the axis hole in the lower part of middle fixed mounting, described
The roller of lower carry-over pinch rolls is arranged between the end fixed mounting and middle fixed mounting in left side, the roller of the upper carry-over pinch rolls
Length is less than the length of the roller of lower carry-over pinch rolls, and one end of the roll shaft of upper carry-over pinch rolls is sleeved on the axis of the end fixed mounting on right side
Kong Zhong, therefrom the axis hole on the upper part of fixed mounting stretches out the other end, and the roller of upper carry-over pinch rolls is mounted in the stretching of its roll shaft
On part.In this way by the gap between the upper and bottom section of fixed mounting in adjusting, upper roller may be implemented under
The adjustment in the gap between roller.
In said program：The upper carry-over pinch rolls and lower carry-over pinch rolls drive rotation in the same direction by carry-over pinch rolls big belt wheel and gear mechanism
Turn.
In said program：External screw thread is set on the probe, and the tail end of the detection arm is provided with what axis extended up and down
With the screw hole of probe matching, the probe passes through the screw hole on detection arm from top to bottom.By turning probe, it is high to adjust probe
Degree.
In said program：Umbrella cloth pressing device is also set up in front of sewing machine suture needle on the work top, it is described
Umbrella cloth pressing device includes umbrella cloth side shield, and the height of the umbrella cloth side shield is from one end far from sewing machine suture needle to close to seam
Thread one end of machine suture needle tapers into, and the upper end of the umbrella cloth side shield is provided with umbrella cloth pressing plate, and umbrella cloth is from umbrella cloth pressing plate and work
Make to pass through between table top.One side side shield can be to avoid umbrella cloth sideslip to the right, on the other hand, in the effect of umbrella cloth pressing plate
Under, more conducively needle sutures.
The utility model has the beneficial effects that：The utility model is not being increased by the improvement of the structure to flatcar sewing machine
On the basis of adding additional energy, the automatic traction of umbrella cloth is realized, liberate labour, reduce production cost.
Description of the drawings
Fig. 1 is the vertical view of the utility model.
Fig. 2 is umbrella cloth draft gear side view.
Fig. 3 is umbrella cloth deviation detecting device side view.
Fig. 4 is the structural schematic diagram of umbrella cloth pressing device.
Specific implementation mode
By way of example and in conjunction with the accompanying drawings, the utility model is described in further detail：
The nouns of locality such as the front, rear, left and right of the utility model only represent the relative position in figure, do not indicate that the absolute of product
Position.Using by the side of person of modern times, as front side, the side far from people is rear side.
Embodiment 1
A kind of flatcar sewing machine as shown in Figs 1-4 is run by rack 1, sewing machine body 2, auxiliary traction tensioning frame, umbrella cloth
Inclined detection device, umbrella cloth draft gear and umbrella cloth pressing device composition.
The structure of sewing machine body 2 is the prior art, and this will not be repeated here.It is provided on front side of the work top of rack 1
The auxiliary traction tensioning frame that umbrella cloth can be tiled on it, rear side are provided with umbrella cloth draft gear, the sewing machine on work top
The rear of suture needle is provided with umbrella cloth deviation detecting device.On work top, umbrella cloth pressing device is provided in front of sewing machine suture needle.
Wherein：Auxiliary traction tensioning frame includes left socle 3 and right support 4, is provided between left socle 3 and right support 4
At least two groups steel pipe 5, every group of steel pipe 5 are three, wherein one is located at other two tops, and the steel pipe 5 being located above
It is located below among two steel pipes 5, between underlying two steel pipes 5 setting left socle 3 and the adjacent side of right support 4,
The steel pipe 5 of top is arranged between left socle 3 and the upper surface of right support 4, is arranged on a wherein steel pipe for lower section and avoids
The umbrella cloth position limiting structure 6 of umbrella cloth sideslip, umbrella cloth position limiting structure 6 can be along 5 adjusting positions of steel pipe.As adjustable umbrella cloth limits 6 structures
For the ticket-holder being clipped on steel pipe 5.Or umbrella cloth position limiting structure 6 is the moveable sleeve being sleeved on steel pipe 5, which passes through locking
Screw rod is locked on steel pipe 5.Umbrella cloth passes through between steel pipe 5 above and following steel pipe 5.
Umbrella cloth draft gear draws umbrella cloth ceaselessly to be passed through below sewing machine suture needle by the side place to be stapled of umbrella cloth, that is, is led
Draw umbrella cloth to move backward.Umbrella cloth draft gear includes upper carry-over pinch rolls 7, lower carry-over pinch rolls 8, carry-over pinch rolls big belt wheel 9, small pulley 10, end
Fixed mounting 11 and middle fixed mounting 12, umbrella cloth pass through between upper carry-over pinch rolls 7 and lower carry-over pinch rolls 8, and upper carry-over pinch rolls 7 are under
Carry-over pinch rolls 8 include roller and roll shaft.Middle fixed seat 12 is divided into two parts up and down, and upper part passes through 13 adjustable fixation of screw rod
In lower part, left and right side end fixed mounting 11 and middle fixed mounting 12 lower part be mounted on rack trailing flank, under lead
The roll shaft both ends of pick-up roll 8 are set in the axis hole on the end fixed mounting 11 of left and right side, and centre passes through middle fixed installation
The axis hole of the lower part of seat 12, the rollers of lower carry-over pinch rolls 8 mounted in left side end fixed mounting 11 and middle fixed mounting 12 it
Between.The length of the roller of upper carry-over pinch rolls 7 is less than the roller length of lower carry-over pinch rolls 8, and one end of the roll shaft of upper carry-over pinch rolls 7 is sleeved on the right side
Side end fixed mounting 11 axis hole in, the other end therefrom the upper part of fixed mounting 12 axis hole stretch out, upper carry-over pinch rolls 7
Roller mounted in its roll shaft extension on.
Umbrella cloth draft gear is driven by carry-over pinch rolls big belt wheel 9, and carry-over pinch rolls big belt wheel 9 is turned by belt and sewing machine body
Increased small pulley 10 is connected on axis.Carry-over pinch rolls big belt wheel 9 can only drive lower carry-over pinch rolls 8 or upper carry-over pinch rolls 7 to rotate.It can also
Upper carry-over pinch rolls 7 and lower carry-over pinch rolls 8 drive rotating Vortex by carry-over pinch rolls big belt wheel 9 and gear mechanism 14.
Umbrella cloth deviation detecting device includes the pedestal 15 being arranged on work top, the front side in the upper surface of the pedestal 15
It is provided with hinged seat 16, the side of arm 17, in 16 side of hinged seat, is detected by turning in the front end of detection arm 17 by pin hinges
Axis installs pressure roller 18, and the roll surface of pressure roller 18 is contacted with 15 upper surface of pedestal, and the length of pressure roller 18 is shorter, is only capable of be pressed in umbrella cloth one
Side.Umbrella cloth suture side passes through between pressure roller 18 and pedestal 15, detect arm 17 tail end on the downside of be provided with can up and down adjustment spy
Needle 19, is arranged external screw thread on probe 19, the tail end of detection arm 17 be provided with that axis extends up and down with 19 matched screw hole of probe,
Probe 19 passes through the screw hole on detection arm 17 from top to bottom.It is provided with sensor 20 on the pedestal 15 of the underface of probe 19, passes
The signal output end of sensor 20 is connected with the signal receiving end of controller, sewing machine body control terminal and the sewing machine sheet of controller
Body 2 is connected, and when having umbrella cloth from when passing through between 15 upper surface of pressure roller 18 and pedestal, detection arm 17 can lift a bit, at this time probe
19 detach with sensor 20, and sewing machine body 2 works normally.When not having umbrella cloth to pass through, probe 19 is contacted with sensor 20.Control
Device control sewing machine body 2 processed stops.Above-mentioned control program is this field routine techniques, and this will not be repeated here.
Umbrella cloth pressing device is also set up in front of sewing machine suture needle on work top, umbrella cloth pressing device includes umbrella cloth
The height of side shield 21, umbrella cloth side shield 21 gradually becomes from one end far from sewing machine suture needle to close to one end of sewing machine suture needle
Small, the upper end of umbrella cloth side shield 21 is provided with umbrella cloth pressing plate 22, and umbrella cloth passes through between umbrella cloth pressing plate 22 and work top.One side
Surface side baffle 21 can be to avoid umbrella cloth sideslip to the right, on the other hand, under the action of umbrella cloth pressing plate 22, before sewing machine suture needle
Umbrella cloth is compressed, more conducively needle sutures.
, the utility model is not limited to above-mentioned specific embodiment, it should be understood that those skilled in the art are without wound
The property made labour, which according to the present utility model can conceive, makes many modifications and variations.In short, all technologies in the art
Personnel can be obtained by logical analysis, reasoning, or a limited experiment on the basis of existing technology according to the design of the utility model
The technical solution arrived, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of flatcar sewing machine, including rack and the sewing machine body on the work top of rack, it is characterised in that：Institute
The auxiliary traction tensioning frame for being provided on front side of work top and umbrella cloth can be tiled on it is stated, rear side is provided with umbrella cloth traction dress
It sets, the umbrella cloth draft gear traction umbrella cloth ceaselessly passes through below sewing machine suture needle by the side place to be stapled of umbrella cloth, described
Sewing machine suture needle rear is provided with umbrella cloth deviation detecting device on work top；
Wherein, the umbrella cloth draft gear includes upper carry-over pinch rolls and lower carry-over pinch rolls, and umbrella cloth is between upper carry-over pinch rolls and lower carry-over pinch rolls
By umbrella cloth draft gear is driven by carry-over pinch rolls big belt wheel, and the carry-over pinch rolls big belt wheel is turned by belt and sewing machine body
Increased small pulley is connected on axis；
The umbrella cloth deviation detecting device includes the pedestal being arranged on work top, is arranged in the front side of the upper surface of the pedestal
There is hinged seat, detects the front end of arm by pin hinges in hinged seat side, the side of the detection arm passes through shaft installation pressure
The roll surface of roller, pressure roller is contacted with base upper surface, and umbrella cloth suture side is passed through between pressure roller and pedestal, the tail end of the detection arm
Downside be provided with can up and down adjustment probe, be provided with sensor, the signal of sensor on the pedestal of the underface of the probe
Output end is connected with the signal receiving end of controller, and the sewing machine body control terminal of controller is connected with sewing machine body, when having
When umbrella cloth passes through between pressure roller and base upper surface, detection arm can lift a bit, and probe is detached with sensor surface at this time, when
When there is no umbrella cloth to pass through, probe and sensor contacts.
2. a kind of flatcar sewing machine according to claim 1, it is characterised in that：The auxiliary traction tensioning frame includes left socle
And right support, at least two groups steel pipe is provided between left socle and right support, every group of steel pipe is three, wherein one is located at separately
Outer two tops, and the steel pipe being located above is located below among two steel pipes, underlying two steel pipes setting is left
Between holder and the adjacent side of right support, the steel pipe of top is arranged between left socle and the upper surface of right support, in lower section
An at least steel pipe on setting avoid the umbrella cloth position limiting structure of umbrella cloth sideslip, umbrella cloth position limiting structure that from capable of adjusting position along steel pipe
It sets.
3. according to a kind of flatcar sewing machine described in claim 2, it is characterised in that：The umbrella cloth position limiting structure is to be clipped on steel pipe
Ticket-holder.
4. a kind of flatcar sewing machine according to claim 2, it is characterised in that：The umbrella cloth position limiting structure is to be sleeved on steel pipe
Moveable sleeve, which is locked at by tie down screw on steel pipe.
5. according to a kind of any one of claim 1-4 flatcar sewing machines, it is characterised in that：The umbrella cloth draft gear also wraps
The end fixed mounting of left and right side and middle fixed mounting are included, the middle fixed seat is divided into two parts up and down, and upper part passes through spiral shell
Bar is adjustable to be fixed in lower part, and the end fixed mounting of the left and right side and the lower part of middle fixed mounting are mounted on
The roll shaft both ends of rack trailing flank, the lower carry-over pinch rolls are set in the axis hole on the end fixed mounting of left and right side, in
Between pass through axis hole in the lower part of middle fixed mounting, the end fixed mounting in left side is arranged in the roller of the lower carry-over pinch rolls
Between middle fixed mounting, the length of the roller of the upper carry-over pinch rolls is less than the length of the roller of lower carry-over pinch rolls, upper carry-over pinch rolls
Roll shaft one end be sleeved on right side end fixed mounting axis hole in, the other end is therefrom on the upper part of fixed mounting
Axis hole stretches out, and the roller of upper carry-over pinch rolls is on the extension of its roll shaft.
6. a kind of flatcar sewing machine according to claim 5, it is characterised in that：The upper carry-over pinch rolls and lower carry-over pinch rolls are by leading
Pick-up roll big belt wheel and gear mechanism drive rotating Vortex.
7. a kind of flatcar sewing machine according to claim 6, it is characterised in that：External screw thread, the inspection are set on the probe
The tail end of test arm is provided with the screw hole with probe matching that axis extends up and down, and the probe is passed through from top to bottom on detection arm
Screw hole.
8. a kind of flatcar sewing machine according to claim 1, it is characterised in that：Close to sewing machine suture needle on the work top
Front also set up umbrella cloth pressing device, the umbrella cloth pressing device includes umbrella cloth side shield, the height of the umbrella cloth side shield
It is tapered into from one end far from sewing machine suture needle to close to one end of sewing machine suture needle, the upper end setting of the umbrella cloth side shield
There are umbrella cloth pressing plate, umbrella cloth to pass through between umbrella cloth pressing plate and work top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721605456.6U CN207713929U (en) | 2017-11-27 | 2017-11-27 | A kind of flatcar sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721605456.6U CN207713929U (en) | 2017-11-27 | 2017-11-27 | A kind of flatcar sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207713929U true CN207713929U (en) | 2018-08-10 |
Family
ID=63062353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721605456.6U Expired - Fee Related CN207713929U (en) | 2017-11-27 | 2017-11-27 | A kind of flatcar sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207713929U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805890A (en) * | 2017-11-27 | 2018-03-16 | 石柱土家族自治县西琴伞业有限公司 | Flatcar sewing machine |
| CN108842312A (en) * | 2018-08-20 | 2018-11-20 | 杰克缝纫机股份有限公司 | A kind of cloth conveying device and sewing device |
| CN109914041A (en) * | 2019-02-27 | 2019-06-21 | 郭守义 | A kind of sewing machine traction device |
-
2017
- 2017-11-27 CN CN201721605456.6U patent/CN207713929U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805890A (en) * | 2017-11-27 | 2018-03-16 | 石柱土家族自治县西琴伞业有限公司 | Flatcar sewing machine |
| CN108842312A (en) * | 2018-08-20 | 2018-11-20 | 杰克缝纫机股份有限公司 | A kind of cloth conveying device and sewing device |
| CN109914041A (en) * | 2019-02-27 | 2019-06-21 | 郭守义 | A kind of sewing machine traction device |
| CN109914041B (en) * | 2019-02-27 | 2024-03-22 | 郭守义 | Sewing machine draw gear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207713929U (en) | A kind of flatcar sewing machine | |
| CN201162148Y (en) | Cloth examination and coiling device for blank cloth | |
| CN208234219U (en) | A kind of cloth roll inspecting | |
| CN109179038B (en) | Automatic cloth rolling machine | |
| CN104925580A (en) | Horizontal type spreading device for spreading machine | |
| CN204530135U (en) | The selvedge apparatus for sewing of embroidery lace machine cloth | |
| CN106629229A (en) | Yarn roll yarn releasing mechanism | |
| CN105506870B (en) | One kind draws side apparatus for sewing automatically | |
| CN207713926U (en) | A kind of flatcar sewing machine umbrella cloth draft gear | |
| CN107805890A (en) | Flatcar sewing machine | |
| CN207713937U (en) | A kind of flatcar sewing machine umbrella cloth deviation detecting device | |
| CN207713922U (en) | A kind of flatcar sewing machine umbrella cloth auxiliary traction tensioning frame | |
| CN108706375A (en) | A kind of novel batcher | |
| CN107740229A (en) | Flatcar sewing machine umbrella cloth draw-gear | |
| CN105671930A (en) | Novel cloth slitting device | |
| CN206308526U (en) | A kind of rag cutter with Yin Liao mechanisms | |
| CN208516567U (en) | A kind of novel batcher | |
| CN205642882U (en) | Automatic get cloth specimen device | |
| CN208814361U (en) | A kind of conveying mechanism for laminating machine | |
| CN208265425U (en) | It is a kind of to smooth out with the fingers suitable novel cloth inspecting machine convenient for cloth | |
| CN203947279U (en) | Automatically doubling nail limit machine | |
| CN107723939A (en) | Flatcar sewing machine umbrella cloth deviation detecting device | |
| CN207891543U (en) | A kind of drawing waist line-pressing machine | |
| CN207536894U (en) | A kind of paper roll examines paper machine | |
| CN207703740U (en) | Cloth inspecting machine for garment production |
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: 20180810 Termination date: 20181127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |