CN107256786B - A kind of Multifunction transformer skeleton - Google Patents
A kind of Multifunction transformer skeleton Download PDFInfo
- Publication number
- CN107256786B CN107256786B CN201710670971.0A CN201710670971A CN107256786B CN 107256786 B CN107256786 B CN 107256786B CN 201710670971 A CN201710670971 A CN 201710670971A CN 107256786 B CN107256786 B CN 107256786B
- Authority
- CN
- China
- Prior art keywords
- fixed
- bobbin
- circle
- mentioned
- locking
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a kind of Multifunction transformer skeletons, including coil former apparatus, positioning device, locking device, copper wire adhesive tape isolating device, stitch device.The beneficial effects of the present invention are be capable of the performance of comprehensive raising Multifunction transformer skeleton.
Description
Technical field
The present invention relates to a kind of Multifunction transformer skeletons, belong to the technical field of transformer.
Background technique
Also known as transformer coil holder, English are referred to as Bobbin, are the main structure component part of transformer, " skeleton " image
Described its effect in transformer.Transformer is widely used in today's society, and corresponding main body is also essential,
So skeleton has irreplaceable effect at present.
Effect of the skeleton in transformer mainly has the following:
1, the space of winding is provided for the copper wire in transformer,
2, the magnetic core in fixed transformer.
3, the wire casing in skeleton is provided the path of line when transformer production coiling.
4, the metal stitch in skeleton is the pillar of the copper wire winding of transformer；It is connected after scolding tin with pcb board,
Transformer plays conductive effect when working.
5, the salient point in skeleton, concave point or chamfering can determine placement direction or stitch sequence when transformer uses.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Multifunction transformer skeletons.
The present invention is achieved through the following technical solutions.
A kind of Multifunction transformer skeleton, comprising:
Coil former apparatus, including bobbin, fixed cylinder, multiple balls, above-mentioned fixed cylinder both ends open are arranged in above-mentioned line
In coil and in the same direction therewith, above-mentioned fixed cylinder outer surface is provided with even number perpendicular to the retainer plate in above-mentioned fixed cylinder direction, often
Above-mentioned ball is accommodated between two retainer plates and is slidably matched therewith；
Positioning device, including locating ring, at least two positioning support bars, at least two support bases, elastic mechanism, it is above-mentioned fixed
Position circle is fixed on the end of bobbin, and above-mentioned positioning support bar passes through above-mentioned locating ring and is directed toward center location, above-mentioned support base
It is assemblied in the inner end of above-mentioned positioning support bar, above-mentioned elastic mechanism is assemblied in the positioning support bar portion in above-mentioned locating ring circle
Point；
Locking device, including rotation circle, locking circle, at least two helical springs, locking seat, above-mentioned locking circle are fixed on
The first end of bobbin is stated, above-mentioned locking circle is the cyclic structure of interior sky, and above-mentioned rotation circle is arranged in above-mentioned locking circle, above-mentioned lock
Fixed circle is offered towards the surface outside bobbin is fixed on above-mentioned rotation with the equal number of open sections of helical spring, above-mentioned helical spring
It turn-takes outwardly-facing surface, and the end of helical spring is straight line extension, if helical spring is unfolded, straight line extension is directed toward
The center location of circle is rotated, above-mentioned locking seat is fixed on the end of straight line extension, above-mentioned helical spring and its straight line extension
It is housed in above-mentioned locking circle, when rotating above-mentioned rotation circle, above-mentioned helical spring is moved to above-mentioned straight line when open section and extends
Section is unfolded；
Copper wire adhesive tape isolating device, including intermediate retaining ring, two port retaining rings, two isolation buckets, two cage rings, it is above-mentioned
Intermediate retaining ring is perpendicular to bobbin and is fixed on the outer surface of bobbin, and two above-mentioned port retaining rings are perpendicular to bobbin and fixation
In the first end of bobbin and the outer surface of end, two above-mentioned isolation casings mounted in bobbin and both ends respectively with intermediate retaining ring
It is fixedly connected with the port retaining ring of two sides, two above-mentioned isolation buckets are respectively provided with multiple shrinkage pools along bobbin direction, two isolation
Equal sliding sleeve is enclosed in two isolation buckets, each cage ring is provided with stuck mechanism and can be caught in above-mentioned shrinkage pool；
Stitch device, including two fixed plates, multiple fixed blocks, multiple stitch, above-mentioned two fixed plate are separately fixed at
The side of bobbin end, each fixed plate are each equipped with multiple above-mentioned fixed blocks, and each fixed block assembles above-mentioned stitch, on
State stitch by continuous first supporting section, penetrate section, the second supporting section is constituted, the first supporting section, the second supporting section are provided with
Locking member.
Further, above-mentioned bobbin inner surface is provided with a plurality of groove circle perpendicular to bobbin direction, each groove
Circle and two retainer plates accommodate above-mentioned ball.
Further, above-mentioned support base is set as two cross sectional shapes, one of section push down the side of magnetic core and
Radian is matching, another section pushes down the end face of magnetic core and is plane.
Further, above-mentioned elastic mechanism is set as restoring spring, and one end of above-mentioned recovery spring is fixed on above-mentioned positioning
Circle, the other end are fixed on the inner end of above-mentioned support rod.
Further, the end face that above-mentioned locking seat is adjacent to magnetic core is provided with one layer of soft layer.
Further, above-mentioned rotation circle outwardly-facing surface is provided with handle.
Further, above-mentioned cage ring is provided with through-hole, and above-mentioned stuck mechanism is set as having threaded plunger, above-mentioned to insert
Stick is inserted into above-mentioned through-hole and is fixed with above-mentioned shrinkage pool and using stuck nut.
Further, the first supporting section of above-mentioned stitch, the second supporting section are provided with screw thread, and above-mentioned locking member is set as spiral shell
It is female.
Beneficial effects of the present invention:
The setting of coil former apparatus, ball enable the fixed cylinder of assembly magnetic core to be kept fixed cylinder when bobbin shakes
It is relatively stable, the moving generated because of the shaking of Multifunction transformer skeleton is avoided, protects magnetic core, while bobbin is arranged
Groove circle can be used for the position of fixed fixed cylinder indirectly and make structure more simple, whole using effect is preferable；
The setting of positioning mechanism, after magnetic core is packed into bobbin, the setting of locating ring and support rod, elastic mechanism can make
It obtains positioning seat and is tightly fastened the port that magnetic core is located at bobbin end, while the shape design of support base and core shapes phase contract
Conjunction, which can be played, protects magnetic core injury-free, improves the position stability of magnetic core；
The setting of locking device, after magnetic core is packed into bobbin, by rotation rotation circle, by helical spring by being contained in locking
The housed state of circle is converted into extended position, and locking seat can be made to be adjacent to magnetic core and be located at the end face that bobbin is just held, such energy
Ensure the locking of magnetic core position, so that magnetic core is in stable location status；
The setting of copper wire adhesive tape isolating device, according to the demand of copper wire twining amount, by cage ring in the position of isolation bucket
Adjustment enables to adhesive tape not generate damage to copper wire when installing additional, mentions to mark off copper wire region and adhesive tape region
It is high to use quality；
The setting of stitch device is penetrated section i.e. across assembly panel, can worn by locking member by the setting of stitch
The supporting section fixing lock of saturating section upper and lower position is closely assembled panel, protects stitch, improves service life.
Detailed description of the invention
Fig. 1 is the overall schematic of Multifunction transformer skeleton of the present invention；
Fig. 2 is the diagrammatic cross-section of coil former apparatus of the present invention；
Fig. 3 is the structural schematic diagram of positioning device of the present invention；
Fig. 4 is the side schematic view of positioning device of the present invention；
Fig. 5 is locking device helical spring un-deployed configuration schematic diagram of the present invention；
Fig. 6 is the structural schematic diagram of locking device helical spring of the present invention expansion；
Fig. 7 is the schematic diagram of copper wire adhesive tape isolating device of the present invention；
Fig. 8 is the structural schematic diagram of stitch device of the present invention.
Specific embodiment
The present invention will be further described in detail below based on the drawings and embodiments.
- Fig. 8 referring to Fig.1, a kind of Multifunction transformer skeleton, including coil former apparatus, positioning device, locking device, copper
Line adhesive tape isolating device, stitch device.
Coil former apparatus, including bobbin 1-1, fixed cylinder 1-2, multiple ball 1-3, above-mentioned fixed cylinder 1-2 both ends open,
It is arranged in above-mentioned bobbin 1-1 and in the same direction therewith, the outer surface above-mentioned fixed cylinder 1-2 is provided with even number perpendicular to above-mentioned fixation
Above-mentioned ball 1-3 is accommodated between the retainer plate 1-4 in cylinder direction, every two retainer plate 1-4 and is slidably matched therewith..
Above-mentioned bobbin 1-1 inner surface is provided with a plurality of groove circle 1-5 perpendicular to the direction bobbin 1-1, each groove
1-5 and two retainer plate 1-4 of circle accommodates above-mentioned ball 1-3.
The setting of coil former apparatus, ball enable the fixed cylinder of assembly magnetic core to be kept fixed cylinder when bobbin shakes
It is relatively stable, the moving generated because of the shaking of Multifunction transformer skeleton is avoided, protects magnetic core, while bobbin is arranged
Groove circle can be used for the position of fixed fixed cylinder indirectly and make structure more simple, whole using effect is preferable.
Positioning device, including locating ring 2-1, at least two positioning support bar 2-2, at least two support base 2-3, elastic machine
Structure 2-4, above-mentioned locating ring 2-1 are fixed on the end of bobbin 1-1, and above-mentioned positioning support bar 2-2 passes through above-mentioned locating ring 2-1 simultaneously
It is directed toward center location, above-mentioned support base 2-3 is assemblied in the inner end of above-mentioned positioning support bar 2-2, and above-mentioned elastic mechanism 2-4 is assemblied in
The part positioning support bar 2-2 in above-mentioned locating ring 2-1 circle.
Above-mentioned support base 2-3 is set as two cross sectional shapes, one of section push down the side of magnetic core and radian with
Matching, another section pushes down the end face of magnetic core and for plane.
Above-mentioned elastic mechanism 2-4 is set as restoring spring, and one end of above-mentioned recovery spring is fixed on above-mentioned locating ring 2-1,
The other end is fixed on the inner end of above-mentioned support rod 2-2.
The setting of positioning mechanism, after magnetic core is packed into bobbin, the setting of locating ring and support rod, elastic mechanism can make
It obtains positioning seat and is tightly fastened the port that magnetic core is located at bobbin end, while the shape design of support base and core shapes phase contract
Conjunction, which can be played, protects magnetic core injury-free, improves the position stability of magnetic core.
Locking device, including rotation circle 3-1, locking circle 3-2, at least two helical spring 3-3, locking seat 3-4, above-mentioned lock
Surely circle 3-2 is fixed on the first end of above-mentioned bobbin 1-1, and above-mentioned locking circle 3-2 is the cyclic structure of interior sky, above-mentioned rotation circle 3-1
It is arranged in above-mentioned locking circle 3-2, above-mentioned locking circle 3-2 is offered and the numbers such as helical spring 3-3 towards the surface outside bobbin
The open section 3-21 of amount, above-mentioned helical spring 3-3 are fixed on above-mentioned rotation circle 3-1 outwardly-facing surface, and helical spring 3-3
End is straight line extension 3-31, if helical spring is unfolded, straight line extension 3-31 is directed toward the center location of rotation circle, above-mentioned
Locking seat 3-4 is fixed on the end of straight line extension 3-31, and above-mentioned helical spring 3-3 and its straight line extension 3-31 are housed in
It states in locking circle 3-2, when rotating above-mentioned rotation circle 3-1, above-mentioned helical spring 3-3 is moved to above-mentioned straight line when open section and extends
Section 3-31 unfolds.
The end face that above-mentioned locking seat 3-4 is adjacent to magnetic core is provided with one layer of soft layer (not shown).
Above-mentioned rotation circle 3-1 outwardly-facing surface is provided with handle 3-11.
The setting of locking device, after magnetic core is packed into bobbin, by rotation rotation circle, by helical spring by being contained in locking
The housed state of circle is converted into extended position, and locking seat can be made to be adjacent to magnetic core and be located at the end face that bobbin is just held, such energy
Ensure the locking of magnetic core position, so that magnetic core is in stable location status.
Copper wire adhesive tape isolating device, including intermediate retaining ring 4-1, two port retaining ring 4-2, two isolation bucket 4-3, two every
Perpendicular to bobbin 1-1 and the outer surface of bobbin 1-1, two above-mentioned ports are fixed on from circle 4-4, above-mentioned intermediate retaining ring 4-1
Retaining ring 4-2 is perpendicular to bobbin 1-1 and is fixed on the first end and the outer surface of end of bobbin 1-1, two above-mentioned isolation bucket 4-3
It is sleeved on bobbin 1-1 and both ends is fixedly connected with the port retaining ring 4-2 of intermediate retaining ring 4-1 and two sides respectively, two above-mentioned
Isolation bucket 4-3 is respectively provided with multiple shrinkage pool 4-31 along bobbin direction, and two equal sliding sleeves of cage ring 4-4 are in two isolation bucket 4-
3, each cage ring 4-4 are provided with stuck mechanism 4-5 and can be caught in above-mentioned shrinkage pool 4-31.
Above-mentioned cage ring 4-4 is provided with through-hole, and above-mentioned stuck mechanism 4-5 is set as having threaded plunger, above-mentioned plunger
Above-mentioned through-hole is inserted into fix with above-mentioned shrinkage pool 4-31 and using stuck nut 4-51.
The setting of copper wire adhesive tape isolating device, according to the demand of copper wire twining amount, by cage ring in the position of isolation bucket
Adjustment enables to adhesive tape not generate damage to copper wire when installing additional, mentions to mark off copper wire region and adhesive tape region
It is high to use quality.
Stitch device, including two fixed plate 5-1, multiple fixed block 5-2, multiple stitch 5-3, above-mentioned two fixed plate 5-
1 is separately fixed at the side of the end bobbin 1-1, and each fixed plate 5-2 is each equipped with multiple above-mentioned fixed block 5-3, Mei Gegu
Determine block 5-2 and assemble above-mentioned stitch 5-3, above-mentioned stitch 5-3 by continuous first supporting section 5-31, penetrate a section 5-32, second
It supports section 5-33 to constitute, the first supporting section, the second supporting section are provided with locking member 5-4.
The first supporting section, the second supporting section of above-mentioned stitch are provided with screw thread, and above-mentioned locking member 5-4 is set as nut.
The setting of stitch device is penetrated section i.e. across assembly panel, can worn by locking member by the setting of stitch
The supporting section fixing lock of saturating section upper and lower position is closely assembled panel, protects stitch, improves service life.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with this field technology
Personage can understand the content of present invention and be implemented, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (8)
1. a kind of Multifunction transformer skeleton characterized by comprising
Coil former apparatus, including bobbin, fixed cylinder, multiple balls, the fixed cylinder both ends open are arranged in the bobbin
Interior and in the same direction therewith, the fixed cylinder outer surface is provided with even number perpendicular to the retainer plate in the fixed cylinder direction, every two
The ball is accommodated between retainer plate and is slidably matched therewith；
Positioning device, including locating ring, at least two positioning support bars, at least two support bases, elastic mechanism, the locating ring
It is fixed on the end of bobbin, the positioning support bar passes through the locating ring and is directed toward center location, the support base assembly
In the inner end of the positioning support bar, the elastic mechanism is assemblied in the positioning support bar part in locating ring circle；
Locking device, including rotation circle, locking circle, at least two helical springs, locking seat, the locking circle are fixed on the line
The first end of coil, the locking circle are the cyclic structure of interior sky, and the rotation circle setting is in locking circle, the locking circle
Surface outside towards bobbin, which is offered, is fixed on the rotation circle with the equal number of open sections of helical spring, the helical spring
Outwardly-facing surface, and the end of helical spring is straight line extension, and if helical spring is unfolded, straight line extension is directed toward rotation
The center location of circle, the locking seat are fixed on the end of straight line extension, the helical spring and its receiving of straight line extension
In locking circle, when rotating the rotation and enclosing, the helical spring is moved to when open section the straight line extension i.e.
Unfold；
Copper wire adhesive tape isolating device, including intermediate retaining ring, two port retaining rings, two isolation buckets, two cage rings, the centre
Retaining ring is perpendicular to bobbin and is fixed on the outer surface of bobbin, and two port retaining rings are perpendicular to bobbin and fixed online
The first end of coil and the outer surface of end, two isolation casings mounted in bobbin and both ends respectively with intermediate retaining ring and two
The port retaining ring of side is fixedly connected, and two isolation buckets are respectively provided with multiple shrinkage pools along bobbin direction, and two cage rings are equal
In two isolation buckets, each cage ring is provided with stuck mechanism and can be caught in the shrinkage pool sliding sleeve；
Stitch device, including two fixed plates, multiple fixed blocks, multiple stitch, described two fixed plates are separately fixed at coil
The side of frame end, each fixed plate are each equipped with multiple fixed blocks, and each fixed block assembles the stitch, the needle
Foot by continuous first supporting section, penetrate section, the second supporting section is constituted, first supporting section, second supporting section are all provided with
It is equipped with locking member.
2. Multifunction transformer skeleton according to claim 1, which is characterized in that the bobbin inner surface is provided with more
For item perpendicular to the groove circle in bobbin direction, each groove circle and two retainer plates accommodate the ball.
3. Multifunction transformer skeleton according to claim 1, which is characterized in that the support base is set as two sections
Shape, the side of magnetic core is pushed down in one of section and radian is matching, another section push down the end face of magnetic core and
For plane.
4. Multifunction transformer skeleton according to claim 1, which is characterized in that the elastic mechanism is set as restoring bullet
Spring, described one end for restoring spring are fixed on the locating ring, and the other end is fixed on the inner end of the support rod.
5. Multifunction transformer skeleton according to claim 1, which is characterized in that the locking seat is adjacent to the end face of magnetic core
It is provided with one layer of soft layer.
6. Multifunction transformer skeleton according to claim 1, which is characterized in that the rotation circle outwardly-facing surface setting
There is handle.
7. Multifunction transformer skeleton according to claim 1, which is characterized in that the cage ring is provided with through-hole, institute
It states stuck mechanism and is set as having threaded plunger, the plunger is inserted into the through-hole and the shrinkage pool and is consolidated using stuck nut
It is fixed.
8. Multifunction transformer skeleton according to claim 1, which is characterized in that the first supporting section of the stitch,
Two supporting sections are provided with screw thread, and the locking member is set as nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670971.0A CN107256786B (en) | 2017-08-08 | 2017-08-08 | A kind of Multifunction transformer skeleton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670971.0A CN107256786B (en) | 2017-08-08 | 2017-08-08 | A kind of Multifunction transformer skeleton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107256786A CN107256786A (en) | 2017-10-17 |
| CN107256786B true CN107256786B (en) | 2019-07-05 |
Family
ID=60025846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710670971.0A Active CN107256786B (en) | 2017-08-08 | 2017-08-08 | A kind of Multifunction transformer skeleton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107256786B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000311812A (en) * | 1999-04-27 | 2000-11-07 | Mitsubishi Electric Corp | Bobbin for rounded corner coil type induction motors |
| CN201606545U (en) * | 2009-12-25 | 2010-10-13 | 烟台顿汉布什工业有限公司 | Hinge-type check valve |
| CN104157424A (en) * | 2014-08-28 | 2014-11-19 | 合肥市菲力克斯电子科技有限公司 | Fixed adjustable transformer framework |
-
2017
- 2017-08-08 CN CN201710670971.0A patent/CN107256786B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000311812A (en) * | 1999-04-27 | 2000-11-07 | Mitsubishi Electric Corp | Bobbin for rounded corner coil type induction motors |
| CN201606545U (en) * | 2009-12-25 | 2010-10-13 | 烟台顿汉布什工业有限公司 | Hinge-type check valve |
| CN104157424A (en) * | 2014-08-28 | 2014-11-19 | 合肥市菲力克斯电子科技有限公司 | Fixed adjustable transformer framework |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107256786A (en) | 2017-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107492439B (en) | A kind of multifunctional thread coil assembly | |
| CN107256786B (en) | A kind of Multifunction transformer skeleton | |
| CN107256779B (en) | A kind of transformer framework | |
| CN107393702B (en) | The bobbin assembly apparatus of transformer framework | |
| CN107393693B (en) | A kind of transformer framework that can dismantle stitch | |
| CN107393694B (en) | A kind of bobbin assembly apparatus of transformer framework | |
| CN107256784B (en) | A kind of transformer framework for protecting magnetic core | |
| CN107452488B (en) | A kind of transformer framework of adjustable magnetic core position | |
| CN107256778B (en) | A kind of coil former apparatus with position and lock function of transformer framework | |
| CN107393699B (en) | Transformer framework | |
| CN107452487B (en) | A kind of bobbin assembly of the adjustable magnetic core position of transformer framework | |
| CN107256785B (en) | A kind of bobbin assembly for protecting magnetic core | |
| CN107481846B (en) | A kind of fixing and locking device of transformer framework | |
| CN107424793B (en) | The adjustable magnetic core position of transformer framework and the coil former apparatus of position and lock | |
| CN107393698B (en) | The fixing and locking device of transformer framework | |
| CN107256783B (en) | A kind of coil former apparatus for protecting simultaneously position and lock magnetic core | |
| CN107393700B (en) | The locking device of transformer framework | |
| CN107393701B (en) | The coil former apparatus with position and lock function of transformer framework | |
| CN103818565B (en) | A kind of PCB magnetic torquer device and preparation method thereof | |
| CN107256777A (en) | A kind of positioner of transformer framework | |
| CN211088881U (en) | Electric power cabinet that barrier propterty is good | |
| CN107256776B (en) | A kind of locking device of transformer framework | |
| CN107393695A (en) | A kind of outer device of bobbin of transformer framework | |
| CN212931449U (en) | Equipment for surveying and mapping house property and cadastral | |
| CN113352921B (en) | Shared electric bicycle positioning charging pile based on NB-IOT technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |