CN219014404U - Pot rack and gas stove - Google Patents

Pot rack and gas stove Download PDF

Info

Publication number
CN219014404U
CN219014404U CN202320186392.XU CN202320186392U CN219014404U CN 219014404 U CN219014404 U CN 219014404U CN 202320186392 U CN202320186392 U CN 202320186392U CN 219014404 U CN219014404 U CN 219014404U
Authority
CN
China
Prior art keywords
supporting
pot
elastic
base
leg
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
CN202320186392.XU
Other languages
Chinese (zh)
Inventor
任富佳
李科
熊苗东
张开川
吴伟良
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.)
Hangzhou Robam Appliances Co Ltd
Original Assignee
Hangzhou Robam Appliances 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 Hangzhou Robam Appliances Co Ltd filed Critical Hangzhou Robam Appliances Co Ltd
Priority to CN202320186392.XU priority Critical patent/CN219014404U/en
Application granted granted Critical
Publication of CN219014404U publication Critical patent/CN219014404U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Landscapes

  • Cookers (AREA)

Abstract

The application relates to the technical field of stoves, in particular to a pot rack and a gas stove. The pot rack comprises a base, at least three supporting feet arranged on the base and an elastic supporting component arranged on the supporting feet. The base surrounds the outer side of the burner of the gas stove, the elastic supporting component comprises a supporting piece and an elastic piece, the supporting piece is pivoted on the supporting leg so as to be capable of overturning up and down, and the elastic piece is arranged between the supporting piece and the supporting leg so as to provide upward supporting force for the supporting piece and a cooker placed on the supporting piece; when not placing the pan on the pot frame, the supporting force of elastic component can make support piece incline towards the outside of stabilizer blade with predetermined initial inclination, and when the pan was placed on the pot frame, support piece will overturn until reaching equilibrium under the effect of the weight of pan to make support piece's inclination can be adaptively adjusted to the angle with the adaptation of bottom of the boiler shape, promote the laminating effect with the bottom of the boiler, promote the stability to the pan support, avoid appearing the phenomenon of smooth pot.

Description

Pot rack and gas stove
Technical Field
The application relates to the technical field of stoves, in particular to a pot rack and a gas stove.
Background
A pot rack is generally arranged on the gas cooker and used for supporting a pot, improving combustion efficiency and the like, and generally comprises a base and a plurality of (at least three) supporting feet arranged on the base, wherein the supporting feet are uniformly distributed at intervals along the circumferential direction of the base, and the pot can be placed on the supporting feet so as to provide support for the pot through the supporting feet; however, the support legs of the existing pot rack are fixed, so that the support legs cannot adapt to cookers with different pot bottom shapes, and the problems of unstable support, pot sliding and the like often occur due to poor attaching effect of the support legs and the pot bottom when the cookers are placed on the pot rack.
Disclosure of Invention
The utility model aims to provide a pot rack and a gas stove, which are suitable for cookers with different pot bottom shapes, and can improve the attaching effect of support legs and the pot bottom and the stability of supporting the cookers.
Solves the technical problems in the prior art.
The utility model provides a pot rack, which comprises a base, support legs and an elastic supporting component;
the base is used for surrounding the burner of the gas stove, the number of the supporting legs is at least three, and all the supporting legs are arranged on the base at intervals along the circumferential direction of the base;
each supporting leg is provided with an elastic supporting component, each elastic supporting component comprises a supporting piece and an elastic piece, the elastic pieces are pivoted on the supporting legs so as to be capable of overturning up and down, and the elastic pieces are arranged between the supporting pieces and the supporting legs;
when the pot is not placed on the pot rack, the supporting piece inclines towards the outer sides of the supporting feet at a preset initial inclination angle, and the outer sides of the supporting feet are the sides of the supporting feet towards the outer sides of the base;
when the pot is placed on the pot rack, the pot is pressed on the supporting piece, and the elastic force of the elastic piece provides upward supporting force for the pot.
Further, the support leg is provided with a pivot, and the length direction of the pivot is along the thickness direction of the support leg;
one end of the supporting piece is provided with a pivoting part, and a pivoting hole matched with the pivot is formed in the pivoting part, so that the pivoting part can be rotatably sleeved on the pivot.
Further, the pivot is located at one side of the leg in the thickness direction, so that the support member is pivoted to one side of the leg in the thickness direction;
or, the upper end of the support leg is provided with a mounting groove, the pivot is arranged in the mounting groove, and the pivoting part extends into the mounting groove to be pivoted with the pivot.
Further, the elastic piece is a torsion spring, the torsion spring is sleeved on the pivot, one end of the torsion spring is connected with the pivot or the supporting leg, and the other end of the torsion spring is connected with the supporting piece.
Further, at least two elastic supporting components are arranged on each supporting leg at intervals along the first direction;
the direction from the side of the support leg facing the inside of the base to the side of the support leg facing the outside of the base is the first direction.
Further, on the same leg, the initial inclination angle of each support member is sequentially increased along the first direction.
Further, on the same leg, the elastic coefficient of the elastic member corresponding to each supporting member is sequentially increased along the first direction.
Further, the support leg comprises a connecting part and a bearing part which are vertically connected;
the bearing portion sets up along the horizontal direction, the bearing portion towards the one end of the outside of base is passed through connecting portion connect in on the base.
Further, the middle part of the supporting leg is provided with a mounting part, the supporting leg is pivoted on the base through the mounting part, and the supporting leg can be turned up and down;
the center of gravity of the support leg is located on the outer side of the base, and when a pot is not placed on the pot rack, the upper end face of the support leg can be kept horizontal.
The utility model also provides a gas stove, which comprises the pot rack.
Compared with the prior art, the utility model has the beneficial effects that:
the pot rack provided by the utility model comprises a base, support legs and an elastic supporting component. The base is arranged on the gas stove and surrounds the outer side of the burner of the gas stove; be equipped with the stabilizer blade on the base, and the quantity of stabilizer blade is not less than three, a plurality of stabilizer blades are along the even interval distribution of circumference of base. Each support leg is provided with an elastic supporting component, each elastic supporting component comprises a supporting piece and an elastic piece, one end of each supporting piece is pivoted on each support leg, and when the pot rack is horizontally placed, the supporting pieces can be turned up and down; the elastic piece is arranged between the supporting piece and the supporting leg, one end of the elastic piece is connected with the supporting leg, and the other end of the elastic piece is connected with the supporting piece, so that upward supporting force is provided for the supporting piece and the cooker placed on the supporting piece through the elastic force of the elastic piece; when the pot is not placed on the pot rack, the supporting force of the elastic piece on the supporting piece can enable the supporting piece to be kept at a preset initial position, and the supporting piece is inclined towards the outer sides of the supporting feet at a preset inclination angle, wherein the outer sides of the supporting feet are the sides of the supporting feet facing the outside of the base; when the cooker is placed on the cooker rack, the cooker falls on the supporting piece, the supporting piece overturns under the action of the weight of the cooker until the pressure of the cooker on the supporting piece and the supporting force of the elastic piece on the supporting piece are balanced, so that the inclination angle of the supporting piece can be adaptively adjusted to an angle matched with the shape of the cooker bottom, the attaching effect of the cooker bottom is improved, the stability of the cooker support is improved, and the phenomenon of sliding the cooker is avoided.
The utility model also provides a gas stove which comprises the pot rack, so that the gas stove also has the beneficial effect of the pot rack.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pot rack according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an exploded structure of an elastic support assembly on a pot rack according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a pot rack according to an embodiment of the present utility model with a round bottom pot;
fig. 4 is a schematic view of a pan rack according to an embodiment of the present utility model when a pan is placed on the pan rack.
Reference numerals:
1-a base, 2-a supporting leg, 21-a pivot, 22-a mounting groove, 3-an elastic supporting component, 31-a supporting piece, 32-an elastic piece and 33-a pivoting part;
a-a first direction.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 4, a pot holder and a gas cooker according to some embodiments of the present application are described below.
The application provides a pot rack for be located on the gas-cooker, in order to support the pan.
As shown in fig. 1 and 2, the pot rack of the present application includes a base 1, a foot 2, and an elastic support assembly 3.
The base 1 is annular, the base 1 is arranged on the gas stove, and the base 1 surrounds the outer side of a burner of the gas stove; be equipped with stabilizer blade 2 on the base 1, and the quantity of stabilizer blade 2 is a plurality of and is not less than three, and the even interval distribution of circumference of a plurality of stabilizer blades 2 along base 1 for when the pan was placed on the pot frame, can provide even, stable support to the pan through a plurality of stabilizer blades 2.
Each support leg 2 is provided with an elastic supporting component 3, the elastic supporting component 3 comprises a supporting piece 31 and an elastic piece 32, one end of the supporting piece 31 is pivoted on the support leg 2, and when the pot rack is horizontally placed, the supporting piece 31 can be turned up and down; the elastic member 32 is arranged between the supporting member 31 and the support leg 2, one end of the elastic member 32 is connected with the support leg 2, and the other end of the elastic member 32 is connected with the supporting member 31, so that upward supporting force is provided for the supporting member 31 and a cooker placed on the supporting member 31 through elastic force of the elastic member 32; when the pot is not placed on the pot rack, the supporting force of the elastic piece 32 on the supporting piece 31 can keep the supporting piece 31 at a preset initial position, and the supporting piece 31 is inclined towards the outer side of the supporting leg 2 at a preset initial inclination angle theta, wherein the outer side of the supporting leg 2 is the side of the supporting leg 2 facing the outside of the base 1; when the cookware is placed on the pot rack, the cookware falls on the supporting piece 31, and under the action of the weight of the cookware, the supporting piece 31 turns over until the pressure of the cookware acting on the supporting piece 31 and the supporting force of the elastic piece 32 acting on the supporting piece 31 reach balance, so that the inclination angle of the supporting piece 31 can be adaptively adjusted to an angle matched with the shape of the pot bottom, the attaching effect of the cookware and the pot bottom is improved, the stability of the cookware supporting is improved, and the phenomenon of pot slipping is avoided.
Regarding the pivoting of the support 31 with the leg 2, in this embodiment, preferably, as shown in fig. 2, a pivot 21 is provided on the leg 2, the pivot 21 is fixedly connected with the leg 2, and the length direction of the pivot 21 is along the thickness direction of the leg 2; one end of the supporting member 31 is provided with a pivoting portion 33, a pivot hole is formed in the pivoting portion 33, and the pivot hole is matched with the pivot 21, so that the pivoting portion 33 can be sleeved on the pivot 21 through the pivot hole and can rotate around the pivot 21 relative to the pivot 21, and the supporting member 31 is pivoted on the support leg 2.
In this embodiment, as shown in fig. 2, preferably, the upper end of the supporting member 31 is provided with a mounting groove 22, the pivot 21 is disposed in the mounting groove 22, and two ends of the pivot 21 are respectively fixed on two side walls of the mounting groove 22, and the pivot portion 33 of the supporting member 31 extends into the mounting groove 22 and is pivotally sleeved on the pivot 21, so that the overall aesthetic property of the pot frame is improved to a certain extent.
Compared with the above-mentioned pivot portion 33 extending into the leg 2, the pivot portion 33 may be located outside the leg 2 and on one side of the leg 2 in the thickness direction, i.e. the supporting member 31 is located on one side of the leg 2 in the thickness direction; specifically, the pivot 21 is disposed on one side of the support leg 2 in the thickness direction, the supporting member 31 and the pivot 21 are disposed on the same side of the support leg 2, and the supporting member 31 is pivotally sleeved on the pivot 21 through the pivot portion 33, so that the structure of the support leg 2 and the overall structure of the pot frame are simpler.
In one embodiment of the present application, preferably, as shown in fig. 2, the elastic member 32 is a torsion spring, the torsion spring is sleeved on the pivot 21, and one end of the torsion spring is fixedly connected with the pivot 21 to be fixedly connected with the support leg 2, and the other end of the torsion spring is fixedly connected with the support member 31, so that an upward supporting force can be provided for the support member 31 and a pot placed on the support member 31 through the torsion spring, when the pot is not placed on the support member 31, the support member 31 can stay at the initial position under the action of the torsion spring, so that one side of the support member 31 facing the outside of the base 1 is tilted relative to one side of the support member 31 facing the inside of the base 1, so as to facilitate placement of the pot on the support member 31; when the cookware is placed on the support 31, the elasticity of the torsion spring can provide upward supporting force for the support 31 and the cookware.
In one embodiment of the present application, as shown in fig. 1, a side of the leg 2 facing the inside of the base 1 is an inner side of the leg 2, a side of the leg 2 facing the outside of the base 1 is an outer side of the leg 2, and a direction from the inner side of the leg 2 to the outer side of the leg 2 is defined as a first direction a.
Each support leg 2 is provided with at least two elastic support assemblies 3 at intervals along a first direction a, so that each support leg 2 can support the pot through the plurality of elastic support assemblies 3, and when the pot is supported, the inclination angle of each support member 31 can be adaptively adjusted according to the shape of the bottom of the pot at the joint position according to the weight of the pot and the action of the torsion spring so as to be more jointed with the bottom of the pot, thereby, no matter whether the pot is a pan or a round bottom pot, such as the state that the pot with the round bottom is placed on a pot rack is shown in fig. 3, the state that the pan is placed on the pot rack is shown in fig. 4, stable support can be provided for the pot through the pot rack of the application, and the phenomenon of sliding pot is prevented.
In this embodiment, preferably, as shown in fig. 1, for all the elastic supporting members 3 located on the same leg 2, when the pot is not placed, the initial inclination angle θ of the supporting member 31 is sequentially increased in the first direction a, that is, the initial inclination angle θ of one supporting piece located at the innermost side of the leg 2 is minimum and the initial inclination angle θ of one supporting piece located at the outermost side of the leg 2 is maximum; it is further preferred that the coefficient of the elastic members 32 corresponding to each support member 31 is also sequentially increased in the first direction a for all the elastic support members 3 located on the same leg 2, i.e., the elastic coefficient of the elastic member 32 of the elastic support member 3 located at the innermost side is the smallest and the elastic coefficient of the elastic member 32 of the elastic support member 3 located at the outermost side is the largest. Thereby when making the pan place on the pot frame, every stabilizer blade 2 can also provide an effort that promotes in the base 1 towards the pan when can providing ascending holding power to the pan through a plurality of elastic support components 3, and then makes the pot frame of this application be difficult for appearing the phenomenon of smooth pot when supporting the pan.
In one embodiment of the present application, the support leg 2 may be fixedly connected to the base 1, as shown in fig. 1 and 2. Specifically, the support leg 2 comprises a supporting part and a connecting part, wherein one end of the supporting part is vertically connected with one end of the connecting part, so that the support leg 2 is generally L-shaped; when the support leg 2 is connected to the base 1, the connecting portion is arranged in the vertical direction, one end of the connecting portion, which is far away from the bearing portion, is connected to the base 1, the bearing portion is arranged in the horizontal direction, one end of the bearing portion, which is far away from the connecting portion, extends towards the inner side of the base 1, namely, one end, which is connected with the connecting portion, of the bearing portion is the outer side of the support leg 2, one end, which is far away from the connecting portion, of the bearing portion is the inner side of the support leg 2, and the elastic support assembly 3 is arranged on the bearing portion.
In an embodiment of the application, preferably, also can be the pin joint between stabilizer blade and the base, the middle part region of stabilizer blade is equipped with the installation department, the stabilizer blade passes through the installation department pin joint on the base for the stabilizer blade can overturn from top to bottom relative to the base, and the focus of stabilizer blade is located the outside of base, and when not placing the pan on the pot rack, the up end of stabilizer blade can keep the level, when making the pan place on the pot rack, the stabilizer blade still can keep the level, and when the round bottom pot placed on the pot rack, the inboard of stabilizer blade can be pushed down and present the low state in outer height, in order to provide more stable support for the round bottom pot, prevents round bottom pot smooth pot.
The application also provides a gas stove, which comprises the pot rack of any embodiment.
In this embodiment, the gas cooker includes the pot holder, so the gas cooker has all the advantageous effects of the pot holder, which are not described in detail herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A pot rack is characterized by comprising a base, support legs and an elastic supporting component;
the base is used for surrounding the burner of the gas stove, the number of the supporting legs is at least three, and all the supporting legs are arranged on the base at intervals along the circumferential direction of the base;
each supporting leg is provided with an elastic supporting component, each elastic supporting component comprises a supporting piece and an elastic piece, the elastic pieces are pivoted on the supporting legs so as to be capable of overturning up and down, and the elastic pieces are arranged between the supporting pieces and the supporting legs;
when the pot is not placed on the pot rack, the supporting piece inclines towards the outer sides of the supporting feet at a preset initial inclination angle, and the outer sides of the supporting feet are the sides of the supporting feet towards the outer sides of the base;
when the pot is placed on the pot rack, the pot is pressed on the supporting piece, and the elastic force of the elastic piece provides upward supporting force for the pot.
2. The pot rack according to claim 1, wherein the support leg is provided with a pivot, and the length direction of the pivot is along the thickness direction of the support leg;
one end of the supporting piece is provided with a pivoting part, and a pivoting hole matched with the pivot is formed in the pivoting part, so that the pivoting part can be rotatably sleeved on the pivot.
3. The pot holder according to claim 2, wherein the pivot is located at one side of the leg in the thickness direction, such that the support is pivotally connected to one side of the leg in the thickness direction;
or, the upper end of the support leg is provided with a mounting groove, the pivot is arranged in the mounting groove, and the pivoting part extends into the mounting groove to be pivoted with the pivot.
4. The pot holder according to claim 2, wherein the elastic member is a torsion spring, the torsion spring is sleeved on the pivot, one end of the torsion spring is connected with the pivot or the leg, and the other end of the torsion spring is connected with the supporting member.
5. The pot rack of claim 1, wherein at least two of said resilient support assemblies are provided on each of said feet spaced apart in a first direction;
the direction from the side of the support leg facing the inside of the base to the side of the support leg facing the outside of the base is the first direction.
6. The pot rack of claim 5, wherein the initial tilt angle of each of said support members increases sequentially in said first direction on the same leg.
7. The pot holder according to claim 5, wherein the elastic coefficient of the elastic member corresponding to each of the supporting members sequentially increases in the first direction on the same leg.
8. The pot rack of claim 1, wherein the support legs comprise a connecting portion and a bearing portion that are vertically connected;
the bearing portion sets up along the horizontal direction, the bearing portion towards the one end of the outside of base is passed through connecting portion connect in on the base.
9. The pot rack of claim 1, wherein the middle part of the support leg is provided with a mounting part, the support leg is pivoted on the base through the mounting part, and the support leg can be turned up and down;
the center of gravity of the support leg is located on the outer side of the base, and when a pot is not placed on the pot rack, the upper end face of the support leg can be kept horizontal.
10. A gas cooker comprising a pot holder according to any one of claims 1 to 9.
CN202320186392.XU 2023-02-01 2023-02-01 Pot rack and gas stove Active CN219014404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320186392.XU CN219014404U (en) 2023-02-01 2023-02-01 Pot rack and gas stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320186392.XU CN219014404U (en) 2023-02-01 2023-02-01 Pot rack and gas stove

Publications (1)

Publication Number Publication Date
CN219014404U true CN219014404U (en) 2023-05-12

Family

ID=86247554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320186392.XU Active CN219014404U (en) 2023-02-01 2023-02-01 Pot rack and gas stove

Country Status (1)

Country Link
CN (1) CN219014404U (en)

Similar Documents

Publication Publication Date Title
US6189528B1 (en) Outdoor cooking system
KR101976977B1 (en) Roasting device
CN219014404U (en) Pot rack and gas stove
US6588417B2 (en) Reversible burner grate
CN210153883U (en) Energy-gathering pot holder assembly and gas stove
KR200468275Y1 (en) Hot grill assembly enable to control height
CN207990711U (en) A kind of energy-saving cooker frame
CN213089874U (en) Pot rack and stove
KR200385652Y1 (en) Frying pan supporter
CN209877021U (en) Self-adaptive anti-skidding pot frame and gas stove
CN211407507U (en) Mobile heating device for tea making
CN212252739U (en) Stove pot rack and stove
CN218219973U (en) Stove support and subassembly thereof
CN209763155U (en) Combined pot supporting frame and gas stove using same
CN217565790U (en) Barbecue oven support
CN211155272U (en) Supporting device and pot with height capable of being lifted
CN217785247U (en) Pot rack structure and stove
CN221076558U (en) Energy-collecting dish pot rack and combustor
CN215863580U (en) Pot support and gas stove
CN217338270U (en) Folding baking tray
CN217178621U (en) Pot rack assembly and gas stove
CN218164999U (en) Air fryer
CN217329908U (en) Pot support and gas-cooker
CN217235690U (en) Energy-gathering pot rack and cooker comprising same
CN219756461U (en) Pot rack

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant