CN211711857U - Temperature-control type cooking spiral feeder - Google Patents
Temperature-control type cooking spiral feeder Download PDFInfo
- Publication number
- CN211711857U CN211711857U CN202021799123.3U CN202021799123U CN211711857U CN 211711857 U CN211711857 U CN 211711857U CN 202021799123 U CN202021799123 U CN 202021799123U CN 211711857 U CN211711857 U CN 211711857U
- Authority
- CN
- China
- Prior art keywords
- temperature
- heating
- blocking plate
- feed
- cylinder
- 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.)
- Active
Links
- 238000010411 cooking Methods 0.000 title claims description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims description 24
- 239000011229 interlayer Substances 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 electric power Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Accessories For Mixers (AREA)
Abstract
The utility model relates to a accuse temperature formula spiral feeder that cooks, include the supreme moving platform, altitude mixture control subassembly, spiral feed subassembly and the accuse temperature subassembly that sets gradually down, spiral feed subassembly and moving platform link together through altitude mixture control subassembly, and accuse temperature unit mount is on spiral feed subassembly. The utility model discloses on be provided with moving platform, it is convenient the utility model discloses a remove, accuse temperature subassembly can realize heating the material in the feed cylinder, and a heating rod heats the material in the feed cylinder through the intraformational heating oil of feed collet chuck, and simultaneously, No. two heating rods heat the material that lies in feed cylinder the central axis department, have improved the speed of the heating of material. In addition, the height of a feeding cylinder can be adjusted by the aid of the height adjusting assembly, and the angle of the feeding cylinder can be adjusted, so that the feeding cylinder is convenient to use.
Description
Technical Field
The utility model relates to a spiral feeder technical field especially relates to a temperature control formula spiral feeder that cooks.
Background
The screw feeder is also called a screw feeder and a screw conveyor, and belongs to conveying equipment together with a scraper conveyor, a bucket conveyor and the like. The conveying device has the characteristics of high conveying efficiency, safe and reliable work, simple structure, complete functions, good sealing property, low noise, attractive appearance and the like, and is widely used in various industrial departments, such as papermaking, building materials, electric power, chemical industry, metallurgy, coal, aluminum magnesium, machinery, light industry, grain and food industries.
However, the existing screw feeder has large volume, is inconvenient for users to move, and the temperature control device heats materials slowly. In addition, the lifting height and the lifting angle of the screw feeder cannot be adjusted, so that inconvenience is brought to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art and provides a temperature-controlled cooking screw feeder.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a temperature-control type cooking screw feeder comprises a moving platform, a height adjusting assembly, a screw feeding assembly and a temperature control assembly which are sequentially arranged from bottom to top, wherein the screw feeding assembly and the moving platform are connected together through the height adjusting assembly, the temperature control assembly is installed on the screw feeding assembly, the screw feeding assembly comprises a feeding barrel which is provided with an interlayer and is transversely arranged, a rotating shaft and a motor which are hollow inside, the rotating shaft is positioned in the feeding barrel and is coaxial with the feeding barrel, a screw blade is connected onto the rotating shaft, the motor drives the rotating shaft to rotate, one end of the feeding barrel is connected with a first plugging plate, the other end of the feeding barrel is connected with a second plugging plate, two ends of the rotating shaft respectively penetrate through the first plugging plate and the second plugging plate, two ends of the rotating shaft are respectively rotatably connected with the first plugging plate and the second plugging plate, a feeding hole is formed in the top of one end, discharge gate and feed inlet all communicate with the feed cylinder inner chamber, accuse temperature subassembly includes a plurality of circumferences equipartition at intraformational heating rod of feed collet chuck, a plurality of heating rod mountings and No. two heating rods, be equipped with a plurality of mounting holes with a heating rod assorted on the shutoff board, the heating end of a heating rod stretches into in the intermediate layer of feed cylinder through the mounting hole, and fix in the intermediate layer of feed cylinder through the heating rod mounting, the intermediate layer intussuseption of feed cylinder is filled with the heating oil, the feed cylinder top even has the heating oil import, the feed cylinder bottom even has the heating oil export, heating oil export and heating oil import all communicate with the intermediate layer of feed cylinder, No. two heating rods are located the rotation axis, and No. two heating rod both ends stretch out from the both ends of rotation axis, and the both ends of No. two heating rods that stretch out are fixed respectively on shutoff board and No. two shutoff boards.
The mobile platform comprises a mounting platform, a plurality of rollers are mounted on the bottom surface of the mounting platform, and a hanging ring is arranged on one side of the mounting platform.
The height adjusting assembly comprises two vertical electric cylinders, the upper ends of the two electric cylinders are hinged to the feeding barrel, the lower end of one of the two electric cylinders is fixedly connected with the mounting platform, and the lower end of the other electric cylinder is hinged to the mounting platform.
The bottom of the feeding cylinder is provided with a mounting block matched with the electric cylinder, and the upper end of the electric cylinder is hinged with the mounting block.
The first plugging plate and the second plugging plate are fixed at two ends of the feeding cylinder through flanges.
The motor is vertically fixed on the second plugging plate, a driving bevel gear is sleeved on an output shaft of the motor, a driven bevel gear is sleeved at one end of the rotating shaft, which penetrates out of the second plugging plate, and the driven bevel gear is meshed with the driving bevel gear.
The heating rod fixing part comprises a plurality of limiting rings uniformly distributed on the circumference, an arc-shaped rod is connected between every two adjacent limiting rings, two supporting rods are symmetrically connected to the side wall of each limiting ring, the other ends of the two supporting rods are respectively abutted to the two side walls of the feeding barrel, and the first heating rod is located in the limiting rings.
One side of a first blocking plate is provided with a thermometer, and a temperature contact of the thermometer extends into the feeding collet chuck layer through the first blocking plate and is used for detecting the temperature of heating oil in the feeding collet chuck layer.
One side of No. two shutoff boards is equipped with the thermometer No. two, and the temperature contact of thermometer No. two stretches into the inner chamber of feeding cylinder through No. two shutoff boards for detect the temperature of feeding cylinder inner chamber material.
A water outlet pipe is arranged on the first plugging plate and communicated with the bottom of the inner cavity of the feeding cylinder, and a filter screen is connected with one end of the water outlet pipe connected with the first plugging plate.
The utility model has the advantages that: the utility model discloses on be provided with moving platform, it is convenient the utility model discloses a remove, accuse temperature subassembly can realize heating the material in the feed cylinder, and a heating rod heats the material in the feed cylinder through the intraformational heating oil of feed collet chuck, and simultaneously, No. two heating rods heat the material that lies in feed cylinder the central axis department, have improved the speed of the heating of material. In addition, the height of a feeding cylinder can be adjusted by the aid of the height adjusting assembly, and the angle of the feeding cylinder can be adjusted, so that the feeding cylinder is convenient to use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the heater rod fixture installed in the layer of the feeding collet;
in the figure: 1-moving a platform; 11-mounting a platform; 12-a roller; 13-hanging ring; 2-a height adjustment assembly; 3-a spiral feeding assembly; 31-a feed cylinder; 32-a rotation axis; 33-an electric motor; 34-a helical blade; 35-a plugging plate; 36-second plugging plate; 37-feed inlet; 38-a discharge port; 4-temperature control component; 41-first heating rod; 42-a heating rod fixture; 421-a limit ring; 422-arc-shaped rods; 423-support bar; 43-heating rod number two; 44-heating oil inlet; 45-heating oil outlet; 5, mounting a block; 6-thermometer; 7-thermometer; 8-water outlet pipe;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 2, a temperature-controlled screw feeder for cooking comprises a moving platform 1, a height adjusting assembly 2, a screw feeding assembly 3 and a temperature controlling assembly 4 which are sequentially arranged from bottom to top, wherein the screw feeding assembly 3 and the moving platform 1 are connected together through the height adjusting assembly 2, the temperature controlling assembly 4 is mounted on the screw feeding assembly 3, the screw feeding assembly 3 comprises a feeding barrel 31 which is provided with an interlayer and is transversely arranged, a rotating shaft 32 which is hollow inside and a motor 33, the rotating shaft 32 is positioned in the feeding barrel 31 and is coaxial with the feeding barrel 31, the rotating shaft 32 is connected with a screw blade 34, the motor 33 drives the rotating shaft 32 to rotate, one end of the feeding barrel 31 is connected with a first blocking plate 35, the other end of the feeding barrel is connected with a second blocking plate 36, two ends of the rotating shaft 32 respectively penetrate through the first blocking plate 35 and the second blocking plate 36, and two ends of the rotating shaft 32 are respectively rotatably connected with the first blocking plate 35 and, the top of one end of the feeding cylinder 31 is provided with a feeding hole 37, the bottom of the other end is provided with a discharging hole 38, the discharging hole 38 and the feeding hole 37 are communicated with the inner cavity of the feeding cylinder 31, the temperature control assembly 4 comprises a plurality of first heating rods 41, a plurality of heating rod fixing pieces 42 and a second heating rod 43 which are circumferentially and uniformly distributed in an interlayer of the feeding cylinder 31, a plurality of mounting holes matched with the first heating rods 41 are arranged on a first plugging plate 35, the heating ends of the first heating rods 41 extend into the interlayer of the feeding cylinder 31 through the mounting holes and are fixed in the interlayer of the feeding cylinder 31 through the heating rod fixing pieces 42, heating oil is filled in the interlayer of the feeding cylinder 31, the top of the feeding cylinder 31 is connected with a heating oil inlet 44, the bottom of the feeding cylinder 31 is connected with a heating oil outlet 45, the heating oil outlet 45 and the heating oil inlet 44 are communicated with the interlayer of the feeding cylinder 31, the second heating rod 43 is positioned in the rotating shaft 32, and, and two ends of the extended second heating rod 43 are respectively fixed on the first blocking plate 35 and the second blocking plate 36.
The mobile platform 1 comprises a mounting platform 11, a plurality of idler wheels 12 are mounted on the bottom surface of the mounting platform 11, the idler wheels 12 are universal self-locking idler wheels and are convenient to move and fix, and a hanging ring 13 is arranged on one side of the mounting platform 11 and is convenient to connect with external hauling equipment.
The height adjusting assembly 2 comprises two vertical electric cylinders, the upper ends of the two electric cylinders are hinged to the feeding barrel 31, the lower end of one of the two electric cylinders is fixedly connected with the mounting platform 11, the lower end of the other electric cylinder is hinged to the mounting platform 11, the bottom of the feeding barrel 31 is provided with a mounting block 5 matched with the electric cylinder, and the upper ends of the electric cylinders are hinged to the mounting block 5.
No. one plugging plate 35 and No. two plugging plates 36 pass through the flange to be fixed at the both ends of feed cylinder 31, make things convenient for a plugging plate 35 and No. two plugging plates 36 to dismantle from feed cylinder 31, make things convenient for maintenance and washing.
The motor 33 is vertically fixed on the second plugging plate 36, a driving bevel gear is sleeved on an output shaft of the motor 33, a driven bevel gear is sleeved at one end of the rotating shaft 32, which penetrates through the second plugging plate 36, and the driven bevel gear is meshed with the driving bevel gear.
The heating rod fixing part 42 comprises a plurality of limit rings 421 with circumferentially uniform distribution, an arc rod 422 is connected between every two adjacent limit rings 421, two support rods 423 are symmetrically connected to the side wall of the limit rings 421, the other ends of the two support rods 423 are respectively abutted to the two side walls of the feeding cylinder 31, the heating rod 41 is located in the limit rings 421, the heating rod fixing part 42 fixes the circumferentially uniform distribution of the heating rod 41 in the middle of the feeding cylinder 31, and heating oil is heated more uniformly.
One side of a first plugging plate 35 is provided with a thermometer 6, and a temperature contact of the thermometer 6 extends into the interlayer of the feeding barrel 31 through the first plugging plate 35 and is used for detecting the temperature of heating oil in the interlayer of the feeding barrel 31.
One side of No. two shutoff boards 36 is equipped with thermometer 7 No. two, and the temperature contact of thermometer 7 No. two stretches into the inner chamber of feed cylinder 31 through No. two shutoff boards 36 for detect the temperature of feed cylinder 31 inner chamber material.
A water outlet pipe 8 is arranged on the first plugging plate 35, the water outlet pipe 8 is communicated with the bottom of the inner cavity of the feeding cylinder 31, and one end of the water outlet pipe 8 connected with the first plugging plate 35 is connected with a filter screen.
The utility model discloses the during operation, moving platform 1 is convenient the utility model discloses a remove, accuse temperature subassembly 4 can realize heating the material in the feed cylinder 31, a heating rod 41 heats the material in the feed cylinder 31 through feed cylinder 31 clamp intraformational heating oil, No. two heating rods 43 heat the material that lies in feed cylinder 31 the central axis department, and simultaneously, the heat that No. two heating rods 43 produced transmits for the material through rotation axis 32 and helical blade 34, and the while transports the material and heats the material, has improved the speed of the heating of material. In addition, the height of the feeding cylinder 31 can be adjusted by the arrangement of the height adjusting component 2, and the angle of the feeding cylinder 31 can be adjusted, which is convenient for the use of the utility model.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a accuse temperature formula spiral feeder of cooking, a serial communication port, include moving platform (1) that sets gradually from bottom to top, height adjusting component (2), spiral feed subassembly (3) and accuse temperature subassembly (4), spiral feed subassembly (3) and moving platform (1) link together through height adjusting component (2), accuse temperature subassembly (4) are installed on spiral feed subassembly (3), spiral feed subassembly (3) are including feeding barrel (31) that have the intermediate layer and transversely place, inside hollow rotation axis (32) and motor (33), rotation axis (32) are located feeding barrel (31), and coaxial with feeding barrel (31), even have helical blade (34) on rotation axis (32), motor (33) drive rotation axis (32) are rotatory, feeding barrel (31) one end even has No. one shutoff board (35), the other end even has No. two shutoff boards (36), two ends of a rotating shaft (32) respectively penetrate out of a first blocking plate (35) and a second blocking plate (36), two ends of the rotating shaft (32) are respectively rotatably connected with the first blocking plate (35) and the second blocking plate (36), a feed inlet (37) is formed in the top of one end of a feed cylinder (31), a discharge outlet (38) is formed in the bottom of the other end of the feed cylinder (31), the discharge outlet (38) and the feed inlet (37) are both communicated with an inner cavity of the feed cylinder (31), a temperature control assembly (4) comprises a plurality of first heating rods (41), a plurality of heating rod fixing pieces (42) and a second heating rod (43) which are circumferentially and uniformly distributed in an interlayer of the feed cylinder (31), a plurality of mounting holes matched with the first heating rods (41) are formed in the first blocking plate (35), the heating end of the first heating rod (41) extends into the interlayer of the feed cylinder (31) through the mounting holes and is fixed in the interlayer of the feed cylinder (31) through the heating rod fixing pieces (42), the intermediate layer intussuseption of feed cylinder (31) is filled with heating oil, feed cylinder (31) top even has heating oil import (44), feed cylinder (31) bottom even has heating oil export (45), heating oil export (45) and heating oil import (44) all communicate with the intermediate layer of feed cylinder (31), No. two heating rod (43) are located rotation axis (32), and No. two heating rod (43) both ends are stretched out from the both ends of rotation axis (32), and the both ends of No. two heating rod (43) of stretching out are fixed respectively on a shutoff board (35) and No. two shutoff boards (36).
2. The temperature-controlled screw feeder according to claim 1, wherein the moving platform (1) comprises a mounting platform (11), a plurality of rollers (12) are mounted on the bottom surface of the mounting platform (11), and a hanging ring (13) is arranged on one side of the mounting platform (11).
3. The temperature-controlled screw boiling feeder according to claim 2, wherein the height adjusting assembly (2) comprises two vertical electric cylinders, the upper ends of the two electric cylinders are hinged with the feeding barrel (31), the lower end of one of the two electric cylinders is fixedly connected with the mounting platform (11), and the lower end of the other electric cylinder is hinged with the mounting platform (11).
4. A temperature-controlled screw boiling feeder according to claim 3, characterised in that the bottom of the feeding cylinder (31) is provided with a mounting block (5) matching with an electric cylinder, the upper end of which is hinged with the mounting block (5).
5. A temperature-controlled screw-type digester feeder according to claim 1, characterised in that the first blocking plate (35) and the second blocking plate (36) are flanged to both ends of the feed barrel (31).
6. The temperature-controlled screw boiling feeder according to claim 1, wherein the motor (33) is vertically fixed on the second blocking plate (36), a driving bevel gear is sleeved on an output shaft of the motor (33), a driven bevel gear is sleeved at one end of the rotating shaft (32) penetrating through the second blocking plate (36), and the driven bevel gear is meshed with the driving bevel gear.
7. The temperature-controlled spiral boiling feeder according to claim 3, wherein the heating rod fixing member (42) comprises a plurality of circumferentially and uniformly distributed limiting rings (421), an arc-shaped rod (422) is connected between adjacent limiting rings (421), two supporting rods (423) are symmetrically connected to the side walls of the limiting rings (421), the other ends of the two supporting rods (423) are respectively abutted against the two side walls of the feeding barrel (31) interlayer, and the first heating rod (41) is positioned in the limiting rings (421).
8. The temperature-controlled cooking screw feeder according to claim 1, wherein a temperature meter (6) is arranged on one side of the first blocking plate (35), and a temperature contact of the temperature meter (6) extends into the interlayer of the feeding barrel (31) through the first blocking plate (35) and is used for detecting the temperature of heating oil in the interlayer of the feeding barrel (31).
9. The temperature-controlled cooking screw feeder according to claim 1, wherein a second thermometer (7) is arranged on one side of the second blocking plate (36), and a temperature contact of the second thermometer (7) extends into the inner cavity of the feeding barrel (31) through the second blocking plate (36) and is used for detecting the temperature of materials in the inner cavity of the feeding barrel (31).
10. The temperature-controlled cooking screw feeder according to claim 1, wherein a water outlet pipe (8) is mounted on the first blocking plate (35), the water outlet pipe (8) is communicated with the bottom of the inner cavity of the feeding barrel (31), and a filter screen is connected to one end of the water outlet pipe (8) connected with the first blocking plate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021799123.3U CN211711857U (en) | 2020-08-26 | 2020-08-26 | Temperature-control type cooking spiral feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021799123.3U CN211711857U (en) | 2020-08-26 | 2020-08-26 | Temperature-control type cooking spiral feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211711857U true CN211711857U (en) | 2020-10-20 |
Family
ID=72814267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021799123.3U Active CN211711857U (en) | 2020-08-26 | 2020-08-26 | Temperature-control type cooking spiral feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211711857U (en) |
-
2020
- 2020-08-26 CN CN202021799123.3U patent/CN211711857U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214059030U (en) | Novel environment-friendly conveyor with drying and dust removing functions | |
| CN108955202A (en) | A kind of drying unit and furnace drying method of chemical color | |
| CN211711857U (en) | Temperature-control type cooking spiral feeder | |
| CN215250595U (en) | Horizontal rotary core carbonization furnace for biomass | |
| CN107238284B (en) | Adopt apparatus for producing of rotary furnace preparation eggshell powder | |
| CN216878357U (en) | Sintering machine structure made of polytetrafluoroethylene for experimental equipment container | |
| CN215176699U (en) | Ceramic drying device | |
| CN113477209B (en) | Reation kettle is used in production of environment-friendly cleaner | |
| CN205590624U (en) | Micelle reaction schizolysis cauldron | |
| CN205590623U (en) | Micelle is sealed schizolysis system in succession | |
| CN210233625U (en) | Cooling device is used in plastic granules production with sieve material function | |
| CN210683893U (en) | Energy-saving material-frame-free heat treatment furnace | |
| CN212764032U (en) | Glaze firing device for ceramic product processing | |
| CN212502954U (en) | Plate feeding machine for blanking | |
| CN207556156U (en) | A kind of gas heating continuous and automatic high temperature loss equipment | |
| CN211195333U (en) | Plastic film hot embossing device | |
| CN105542831A (en) | Colloidal particle reaction pyrolysis kettle | |
| CN2155542Y (en) | Dynamic electric roasting apparatus for diatomite filter aid | |
| CN113414078A (en) | Heating device and inflation valve baking equipment | |
| CN111306610A (en) | Energy-saving climate compensation device for heat supply network | |
| CN219660896U (en) | Horizontal roller steaming and frying pan capable of preventing food from falling off | |
| CN213246600U (en) | Dustless type oven | |
| CN215638350U (en) | Solid waste environment-friendly drying device | |
| CN111365944B (en) | Coating raw material processing device for plastic-coated steel pipe | |
| CN220981585U (en) | Efficient heat transfer heat conduction oil heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210611 Granted publication date: 20201020 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240116 Granted publication date: 20201020 |
|
| PD01 | Discharge of preservation of patent | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhu Jinfu Document name: Notice of Termination of Procedure |
|
| DD01 | Delivery of document by public notice | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240206 Address after: No. 3 Tieling North Road, Minhou, Fuzhou City, Fujian Province, 350101 Patentee after: FUJIAN LIGHT INDUSTRY MACHINERY & EQUIPMENT Co.,Ltd. Country or region after: China Address before: 300384 building A-2, 16 Haitai development road, Huayuan Industrial Zone, Binhai New Area, Tianjin Patentee before: TIANJIN HENGMAI ELECTROMECHANICAL TECHNOLOGY CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |