CN109185839B - Mounting structure of lamps and lanterns - Google Patents

Mounting structure of lamps and lanterns Download PDF

Info

Publication number
CN109185839B
CN109185839B CN201811065689.0A CN201811065689A CN109185839B CN 109185839 B CN109185839 B CN 109185839B CN 201811065689 A CN201811065689 A CN 201811065689A CN 109185839 B CN109185839 B CN 109185839B
Authority
CN
China
Prior art keywords
stroke
housing
shell
mounting structure
wall surface
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
Application number
CN201811065689.0A
Other languages
Chinese (zh)
Other versions
CN109185839A (en
Inventor
陈以利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Titanic Lighting Co ltd
Original Assignee
Titanic Lighting Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Titanic Lighting Co ltd filed Critical Titanic Lighting Co ltd
Priority to CN201811065689.0A priority Critical patent/CN109185839B/en
Publication of CN109185839A publication Critical patent/CN109185839A/en
Application granted granted Critical
Publication of CN109185839B publication Critical patent/CN109185839B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02Wall, ceiling, or floor bases; Fixing pendants or arms to the bases

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention belongs to the field of illumination, and discloses a lamp mounting structure which comprises a pre-buried ring embedded in a wall or a ceiling, wherein the pre-buried ring forms a mounting channel in the middle; the outer wall surface of the shell is provided with a turnover clamping piece; when the shell extends into the installation channel from outside to inside and passes through a first stroke, the clamping piece extends into the clamping groove to limit the shell from sliding out of the installation channel from inside to outside; when the shell continues to extend into the installation channel and passes through the second stroke, the stopping part can be turned over and folded over the clamping piece, so that the shell can slide out from inside to outside from the installation channel. The embodiment of the invention has ideal dismounting and mounting effects and good integration effect, and improves the use experience of users.

Description

Mounting structure of lamps and lanterns
Technical Field
The invention relates to the field of illumination, in particular to a lamp mounting structure.
Background
The existing partial lamps, such as ceiling lamps, down lamps, spot lamps, wall lamps and the like, begin to develop towards the hiding direction, and the lamp bodies are usually installed in a suspended ceiling or a wall, so that the space occupation is saved on the one hand, and the wider light and shadow effect is also favorably created on the other hand. At present, a common mounting method of a hidden lamp generally includes that an embedded ring is arranged in a suspended ceiling or a wall, and then a lamp body assembly or an anti-dazzle ring assembly is mounted on the embedded ring.
However, the above-mentioned mode generally needs to set up exposed dismouting structure between the outer terminal surface of pre-buried circle, or pre-buried circle and the installation subject, has destroyed the integration effect of lamps and lanterns, has influenced user's use and has experienced, and simultaneously, the dismantlement of installation subject need be with the help of specialized tool, and is comparatively inconvenient.
Disclosure of Invention
In order to solve the problems that the existing hidden lamp in the prior art is poor in integrated effect and needs a special tool, the embodiment of the invention provides a lamp mounting structure, which comprises an embedded ring embedded in a wall body or a ceiling, wherein the embedded ring forms a mounting channel in the middle part; the outer wall surface of the shell is provided with a turnover clamping piece; when the shell extends into the installation channel from outside to inside and passes through a first stroke, the clamping piece extends into the clamping groove to limit the shell from sliding out of the installation channel from inside to outside; when the shell continues to extend into the installation channel and passes through the second stroke, the stopping part can be turned over and folded over the clamping piece, so that the shell can slide out from inside to outside from the installation channel.
Further, the casing still has a first flange on the outer wall surface, and the pre-buried circle still has a first top portion in the installation passageway internal wall surface, and when the casing continues to stretch into to third stroke department from first stroke department in the installation passageway through second stroke department, first flange top stop in first top portion is in order to restrict the casing is inwards moved.
Further, the casing includes upper housing and lower casing, the diameter of upper housing is less than the diameter of casing down so that form between upper housing and the lower casing first flange, joint spare is located the outer wall of upper housing.
Further, the lower shell comprises a head part connected with the upper shell and a base part located below the head part, a second flange is formed between the head part and the base part, a second ejecting part is formed on the inner wall surface of the installation channel of the embedded ring, the second ejecting part is arranged in an inclined mode, and the distance between the second flange and the second ejecting part is larger than the distance between the first flange and the first ejecting part.
Further, the outer wall surface of the upper shell is provided with a pair of ribs, and the clamping piece is pivoted between the two ribs arranged in pair.
Further, above-mentioned joint spare is the arc shell fragment, including pin joint end, middle part and free end, works as the casing stretches into from outer to interior at the installation passageway, and when passing first stroke department, the middle part top is on last casing outer wall, the free end transversely inserts the draw-in groove to top is at the draw-in groove internal surface.
Further, the above-mentioned pre-buried circle in the draw-in groove inboard still is formed with the rand, works as the casing stretches into at the installation passageway from outer to interior, and when passing first stroke department, the free end top is on draw-in groove internal surface and rand.
Further, the above-mentioned the draw-in groove is ring groove, the quantity of joint spare is three, three joint spare evenly distributed on the circumferencial direction, backstop portion does the wall is found to the annular of pre-buried circle, the annular is found the wall and is located to form the backstop face in the terminal surface.
Further, an internal thread is formed on the inner wall surface of the annular vertical wall or the inner wall surface of the upper shell, and the internal thread is used for fixedly mounting the lamp body assembly.
Further, an anti-dazzle ring component is arranged in the shell.
According to the embodiment of the invention, the clamping groove is arranged at the first stroke of the installation channel of the embedded ring, the stopping part is arranged at the second stroke, and the foldable clamping piece is arranged on the outer wall surface of the shell serving as the installation main body; when the shell continues to extend into the installation channel and passes through the second stroke, the stopping part turns the clamping piece inwards, the shell can be separated from the shell under the action of elastic pieces such as gravity or a return spring, and when the shell is separated from the first stroke, the clamping piece turns inwards and is in a reverse direction, so that the clamping piece cannot extend into the clamping groove, and the separation of the shell and the embedded part is realized; the embodiment of the invention does not need to arrange an exposed dismounting structure on the outer end face of the embedded ring or between the embedded ring and the mounting main body, does not need to use a special tool, has ideal dismounting effect and good integration effect, and improves the use experience of users.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a perspective view of one direction of a mounting structure of a lamp according to a first embodiment of the present invention; the lamp body assembly is shown;
FIG. 2 is a perspective view of FIG. 1 in another orientation;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is an exploded view of the housing of the first embodiment of the present invention;
FIG. 5 is a perspective view of a mounting structure for a light fixture according to a second embodiment of the present invention, showing the housing at a first stroke;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is a side view of the mounting structure of a light fixture of a second embodiment of the present invention, showing the housing at a second stroke;
FIG. 8 is a cross-sectional view of FIG. 7, the same view as in FIGS. 6 and 7 being taken from FIG. 8;
fig. 9 is a perspective view of the mounting structure of the lamp according to the second embodiment of the present invention, in which the housing slides out from the second stroke from inside to outside, and the stop portion is turned over to turn over the clip;
FIG. 10 is a cross-sectional view of FIG. 9;
fig. 11 is an exploded view of a mounting structure of a lamp according to a second embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
When embodiments of the present invention refer to the ordinal numbers "first", "second" (if present), etc., it is to be understood that the words are merely used for distinguishing between them unless they literally indicate the order in which they are used.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" (if present) are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment:
referring to fig. 1 to 4, an embodiment of the invention discloses an installation structure of a lamp, which includes an embedded ring 1 embedded in a wall or a ceiling, wherein an installation channel 11 is formed in the middle of the embedded ring 1, the installation structure of the lamp further includes a housing 2 detachably disposed in the installation channel 11, the embedded ring 1 is provided with a clamping groove 12 at a first stroke of the installation channel 11, and a stopping portion is provided at a second stroke of the installation channel 11; the outer wall surface of the shell 2 is provided with a foldable clamping piece 21; when the shell 2 extends into the installation channel 11 from outside to inside and passes through a first stroke, the clamping piece 21 extends into the clamping groove 12 to limit the shell 2 from sliding out of the installation channel 11 from inside to outside; when the housing 2 continues to extend into the installation channel 11 and passes through the second stroke, the stopping portion can turn over the clamping piece 21, so that the housing 2 can slide out from the installation channel from inside to outside.
As a specific implementation scheme, but not limited to, the housing 2 includes an upper housing 22 and a lower housing 23, a diameter of the upper housing 22 is smaller than a diameter of the lower housing 23, so that a first flange 25 is formed between the upper housing 22 and the lower housing 23, a first abutting portion is further formed on an inner wall surface of the installation channel of the embedded ring, when the housing continues to extend into a third stroke from a first stroke to a second stroke in the installation channel, the first flange abuts against the first abutting portion to limit inward movement of the housing, and the engaging member 21 is located on an outer wall surface of the upper housing 22. The first flange 25 and the first ejecting part are matched with each other and used for stopping the shell when the shell passes through the second stroke and continuously extends into the third stroke, so that the shell 22 is prevented from excessively extending into the inner end face of the embedded ring and falling off the inner end face of the wall or above the suspended ceiling, and difficulty is caused in taking out the shell.
In this embodiment, the fastening member 21 is a curved surface, and includes a pivot joint end 211, a middle portion 212 and a free end 213, when the housing 2 extends from outside to inside in the installation passage 11 and passes through the first stroke, the middle portion 212 abuts against the outer wall surface of the upper housing 22, and the free end 213 is transversely inserted into the engaging groove 12. When the engaging member 21 is in the normal position, the free end 213 protrudes from the outer edge of the lower housing so as to extend into the engaging groove 12. When the clamping piece 21 is turned over by the stopping part and is in the reverse direction, the middle part 212 protrudes out of the outer edge of the lower shell 23, so that the inner wall of the annular channel 11 of the embedded ring can press the clamping piece 21 to slightly deform and exit the embedded ring 1.
As a specific installation manner of the clip member 21, the outer wall surface of the upper shell 22 is provided with a pair of ribs 24, and the clip member 21 is pivoted between the two ribs 24. The outer edges of the ribs 24 are located inside the outer edge of the lower shell.
As a preferred embodiment, the above-mentioned card slot 12 is a ring card slot, the number of the card members 21 is three, and the three card members 21 are uniformly distributed in the circumferential direction.
The stopping part is an annular vertical wall 13 of the embedded ring 1, and a stopping surface 131 is formed at the end surface of the annular vertical wall 13. The stopper surface 131 serves to abut against and turn over the snap-in member 21.
In a specific implementation, the inner wall surface of the annular vertical wall 13 is further formed with an internal thread 132, and the internal thread 132 is used for fixedly mounting the lamp body assembly 3.
The housing 2 of the present embodiment may be provided with an anti-glare ring assembly therein, or directly mount an LED lamp assembly.
According to the embodiment of the invention, the clamping groove is arranged at the first stroke of the installation channel of the embedded ring, the stopping part is arranged at the second stroke, and the foldable clamping piece is arranged on the outer wall surface of the shell serving as the installation main body; when the shell continues to extend into the installation channel and passes through the second stroke, the stopping part turns the clamping piece inwards, the shell can be separated from the shell under the action of elastic pieces such as gravity or a return spring, and when the shell is separated from the first stroke, the clamping piece turns inwards and is in a reverse direction, so that the clamping piece cannot extend into the clamping groove, and the separation of the shell and the embedded part is realized; the embodiment of the invention does not need to arrange an exposed dismounting structure on the outer end face of the embedded ring or between the embedded ring and the mounting main body, does not need to use a special tool, has ideal dismounting effect and good integration effect, and improves the use experience of users.
Second embodiment:
referring to fig. 5 to 11, different from the first embodiment, the first embodiment has the clamping groove close to the outer side of the embedded ring, and the second embodiment has the clamping groove 12 close to the inner side of the embedded ring 1, so that the structure reduces the distance between the first stroke point and the second stroke point, and the process of taking out the housing by the user is simpler and more convenient.
However, since the distance between the first stroke point and the second stroke point is reduced, it is easy for the user to have a defect that the user cannot accurately grasp the pushing position of the housing.
The embodiment overcomes the above defects by the following scheme:
the pre-buried circle 1 is further formed with a rand 14 on the inner side of the card slot, and when the housing 2 extends into the installation passage 11 from outside to inside and passes through a first stroke (see fig. 6), the free end 213 of the clamping member 21 is abutted against the inner surface of the card slot 12 and the rand 14. The internal diameter of rand 14 is less than the internal diameter of installation passageway 11 for rand 14 and draw-in groove 12 can provide pressure for joint spare 21 simultaneously, make joint spare 21 pushed draw-in groove 12 more easily when installation casing 2, when the user continues upwards to promote, and rand 14 can provide certain damping, prevents that the user from only pushing away the casing mistake to the second stroke point through less strength, has improved mounting structure's overall reliability. The setting of rand 14 also is favorable to when casing 2 surpasss the second stroke point, and top joint spare 21 makes casing 2 automatic re-setting.
As a preferred embodiment and not by way of limitation, the collar 14 of the present embodiment also functions as a first stop for cooperating with the first flange 25 to limit the housing from falling out of the inner end surface of the collar 14.
The embodiment of the present invention is different from the first embodiment in that the lower housing 23 further includes a head 231 connected to the upper housing and a base 233 located below the head 231, an obliquely arranged second flange 232 is formed between the head 231 and the base 233, an obliquely arranged second abutting portion 15 is further formed on an inner wall surface of the installation channel 11 of the pre-buried ring 1, and a distance between the second flange 232 and the second abutting portion 15 is greater than a distance between the first flange 25 and the first abutting portion. The second stopping portion 15 and the second flange 232 of the present embodiment are used for providing a limit for the housing 2 after the first flange 25 and the first stopping portion wear in long term use and lose the limit function, and since the second flange 232 and the second stopping portion 15 are both obliquely arranged, the wear is not easy, and the service life of the mounting structure of the present invention can be prolonged to the maximum extent.
An internal thread 132 is further formed on the inner wall surface of the upper housing 22, and the internal thread 132 is used for fixedly mounting the lamp body assembly 3. The internal thread 132 is provided on the inner wall surface of the upper housing 22, so that the upper housing can be conveniently taken down from the lamp assembly by rotating the upper housing 22, and the assembly and disassembly are simple and convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention. If the shell can be used for placing the anti-dazzle ring assembly and also can be used for placing the LED lamp assembly, the shape of the shell can be various and is not step-shaped or the like disclosed in the attached drawings. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The mounting structure of the lamp comprises a pre-buried ring buried on a wall body or a suspended ceiling, and is characterized in that the pre-buried ring forms a mounting channel in the middle, the mounting structure of the lamp further comprises a shell detachably arranged in the mounting channel, a clamping groove is formed in the first stroke of the mounting channel of the pre-buried ring, and a stopping part is formed in the second stroke of the mounting channel of the pre-buried ring; the outer wall surface of the shell is provided with a turnover clamping piece which is an arc-shaped elastic sheet; when the shell extends into the installation channel from outside to inside and passes through a first stroke, the clamping piece extends into the clamping groove to limit the shell from sliding out of the installation channel from inside to outside; when the shell continues to extend into the installation channel and passes through the second stroke, the stopping part can be turned over and folded over the clamping piece, so that the shell can slide out from inside to outside from the installation channel.
2. The lamp mounting structure of claim 1, wherein the housing further has a first flange formed on an outer wall surface thereof, the pre-embedded ring further has a first stopper formed on an inner wall surface thereof, and when the housing continues to extend from a first stroke to a second stroke in the mounting channel, the first flange is stopped against the first stopper to limit inward movement of the housing.
3. The lamp mounting structure according to claim 2, wherein the housing includes an upper housing and a lower housing, a diameter of the upper housing is smaller than a diameter of the lower housing so that the first flange is formed between the upper housing and the lower housing, and the engaging member is located on an outer wall surface of the upper housing.
4. The lamp mounting structure of claim 3, wherein the lower housing includes a head portion connected to the upper housing and a base portion located below the head portion, an obliquely arranged second flange is formed between the head portion and the base portion, an obliquely arranged second abutting portion is further formed on an inner wall surface of the mounting passage of the embedded ring, and a distance between the second flange and the second abutting portion is greater than a distance between the first flange and the first abutting portion.
5. The lamp mounting structure of claim 4, wherein said upper housing has a pair of ribs on an outer wall thereof, and said engaging member is pivotally connected between said pair of ribs.
6. The lamp mounting structure of claim 5, wherein the clip member includes a pivot end, a middle portion and a free end, the middle portion abuts against the outer wall surface of the upper housing when the housing extends from the outside to the inside of the mounting channel and passes through the first stroke, and the free end is transversely inserted into the slot and abuts against the inner surface of the slot.
7. The lamp mounting structure of claim 6, wherein the pre-embedded ring further forms a collar on an inner side of the slot, and when the housing extends into the mounting channel from outside to inside and passes through the first stroke, the free end abuts against an inner surface of the slot and the collar.
8. The lamp mounting structure according to claim 7, wherein the locking grooves are annular locking grooves, the number of the locking members is three, the three locking members are uniformly distributed in the circumferential direction, the stopping portions are annular standing walls of the embedded ring, and the annular standing walls form stopping surfaces at end surfaces.
9. The lamp mounting structure according to claim 8, wherein an internal thread is further formed on an inner wall surface of the annular standing wall or an inner wall surface of the upper housing, and the internal thread is used for fixedly mounting the lamp body assembly.
10. The lamp mounting structure according to claim 9, wherein an antiglare ring assembly is provided in the housing.
CN201811065689.0A 2018-09-13 2018-09-13 Mounting structure of lamps and lanterns Active CN109185839B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811065689.0A CN109185839B (en) 2018-09-13 2018-09-13 Mounting structure of lamps and lanterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811065689.0A CN109185839B (en) 2018-09-13 2018-09-13 Mounting structure of lamps and lanterns

Publications (2)

Publication Number Publication Date
CN109185839A CN109185839A (en) 2019-01-11
CN109185839B true CN109185839B (en) 2020-04-10

Family

ID=64910850

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811065689.0A Active CN109185839B (en) 2018-09-13 2018-09-13 Mounting structure of lamps and lanterns

Country Status (1)

Country Link
CN (1) CN109185839B (en)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8079727B2 (en) * 2010-03-24 2011-12-20 Skynet Electronic Co., Ltd. Recessed lamp support structure
CN202253241U (en) * 2011-09-08 2012-05-30 浙江生辉照明有限公司 Detachable light emitting diode (LED) down lamp
CN202813134U (en) * 2012-09-19 2013-03-20 浙江捷莱照明有限公司 LED (light emitting diode) down lamp
CN103836573B (en) * 2012-11-23 2018-02-23 海洋王(东莞)照明科技有限公司 Recessed light fixture and its housing
DE202013100626U1 (en) * 2013-02-12 2014-05-13 Halemeier Gmbh & Co. Kg recessed light
CN104154469B (en) * 2013-05-15 2016-09-07 深圳市海洋王照明工程有限公司 Recessed light fixture
CN104154470B (en) * 2013-05-15 2016-09-07 深圳市海洋王照明工程有限公司 Recessed light fixture
TWI557362B (en) * 2014-10-30 2016-11-11 泰金寶電通股份有限公司 Lamp
CN205782390U (en) * 2016-05-20 2016-12-07 江苏创一佳照明股份有限公司 A kind of LED artistic view lamp installation system
CN205807129U (en) * 2016-06-23 2016-12-14 佛山市柯迅照明电气有限公司 Easy-disassembling-assembling lamp base device and light fixture
WO2018082009A1 (en) * 2016-11-04 2018-05-11 东莞市桑和照明电器有限公司 Ceiling lamp and mounting method therefor
CN206269074U (en) * 2016-12-27 2017-06-20 深圳宝仕捷照明科技有限公司中山分公司 The Fast Installation structure of light fixture
CN207146151U (en) * 2017-09-14 2018-03-27 宁波公牛光电科技有限公司 A kind of recessed light fixture fixing device and recessed light fixture
CN207661597U (en) * 2018-01-18 2018-07-27 厦门通士达照明有限公司 A kind of multi-functional downlight
CN108488647A (en) * 2018-04-25 2018-09-04 郝志龙 Integral type tube lamp holder

Also Published As

Publication number Publication date
CN109185839A (en) 2019-01-11

Similar Documents

Publication Publication Date Title
US6719438B2 (en) Spring for securing trims in recessed lighting housings
CN204114761U (en) A kind of structure of ceiling-mounted lamp
US6830362B2 (en) Attachment for retaining lenses on a reflector lamp
US20050168989A1 (en) Attachment for a light fixture for retaining lenses
CN109185839B (en) Mounting structure of lamps and lanterns
TWI504834B (en) Lamp
JP2008016417A (en) Downlight
US7465077B1 (en) Retention spring for luminaire reflector
CN205979444U (en) Ceiling lamp structure
CN107091431A (en) A kind of easy disassembly understructure of LED ceiling lamp
CN218544303U (en) Lamp holder of LED down lamp
CN211011220U (en) Lamp structure and lamp
KR200483081Y1 (en) Fixture for light cover
CN217584214U (en) Projecting lamp
CN216715988U (en) Lamp mounting device and ceiling lamp
CN212361791U (en) LED lamp convenient to installation
CN205896882U (en) Embedded spot light
CN219606882U (en) Lamp body structure, guide rail lamp and light system
CN211475700U (en) Embedded installation external member of stage lamp
CN220623821U (en) Front-mounted bidirectional locking structure and lighting lamp
CN218268765U (en) Lampshade for LED down lamp
CN210179458U (en) Ceiling spotlight
CN214064591U (en) Lamp with rotatable reflecting cover
CN209893322U (en) Bar-shaped lighting lamp
CN218671885U (en) Adjustable lamp for automobile

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