CN217013657U - Cooking utensil - Google Patents

Cooking utensil Download PDF

Info

Publication number
CN217013657U
CN217013657U CN202220197438.3U CN202220197438U CN217013657U CN 217013657 U CN217013657 U CN 217013657U CN 202220197438 U CN202220197438 U CN 202220197438U CN 217013657 U CN217013657 U CN 217013657U
Authority
CN
China
Prior art keywords
upper cover
base
coupler
connecting seat
oven
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
CN202220197438.3U
Other languages
Chinese (zh)
Inventor
曾小伟
梁杰亨
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.)
Foshan Aisen Electric Co ltd
Original Assignee
Foshan Aisen Electric 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 Foshan Aisen Electric Co ltd filed Critical Foshan Aisen Electric Co ltd
Priority to CN202220197438.3U priority Critical patent/CN217013657U/en
Application granted granted Critical
Publication of CN217013657U publication Critical patent/CN217013657U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Baking, Grill, Roasting (AREA)

Abstract

The utility model relates to a cooking appliance, which comprises an upper cover, a base and a control panel, wherein the upper cover is provided with an upper baking cavity and an upper heating assembly matched with the upper baking cavity to form an upper heating furnace; the base is provided with a lower baking cavity and a lower heating assembly adapted to the lower baking cavity, the control panel is arranged on the base, and the lower heating assembly is electrically connected with the control panel to form a lower heating furnace; the utility model discloses a barbecue oven, including upper cover, base, oven, upper cover and base, barbecue mode and chafing dish mode are realized to the upper cover exclusive use, barbecue mode and chafing dish mode are realized to the base exclusive use, when upper cover and base combined use, realize oven mode, and under oven mode, the upper cover can rotate moreover, and the user can open or close the oven through rotatory upper cover to convenience of customers puts or takes out food, and upper cover and base can be dismantled in addition, and the user of being convenient for washs, improves cooking utensil's practicality greatly, satisfies the different culinary art demands of user.

Description

Cooking utensil
Technical Field
The present invention relates to a cooking appliance.
Background
At present, the base and the upper cover that use including the cooperation are usually used to multi-functional cooking pot, multi-functional electric oven in the market, and there is following shortcoming in the use:
the upper cover of the existing cooking appliance can be turned, but the upper cover and the base can not be detached for independent use, the structure is complex, the upper cover and the base can not be detached, so that the cleaning is troublesome, and when the product is opened for use, the product can occupy a certain space, so that enough space needs to be reserved in a kitchen, a multifunctional cooking pot can be opened, and the shortage of kitchen use space is easily caused.
Present cooking utensil, its upper cover and base can be dismantled, form the oven when upper cover and base combination are in the same place, the user toasts the in-process, because the upper cover can't overturn, when needing to add or take out food in the oven, the user only can lift the upper cover, make upper cover and base separation, thereby take out the food of oven, but lift the upper cover in-process, the high-temperature gas of oven contacts user's hand easily, cause the scald easily, the user makes experience poor, in the use, need work based on base part, can't make full use of the function of upper cover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cooking appliance, wherein an upper cover and a base can be used independently or in combination.
The purpose of the utility model is realized as follows:
the cooking utensil comprises an upper cover, a base and a control panel, wherein the upper cover is provided with an upper baking cavity and an upper heating assembly matched with the upper baking cavity to form an upper heating furnace;
the base is provided with a lower baking cavity and a lower heating assembly which is adapted to the lower baking cavity, the control panel is arranged on the base, and the lower heating assembly is electrically connected with the control panel to form a lower heating furnace;
the upper cover is detachably and rotatably connected with the base, and when the upper cover is separated from the base, the upper heating furnace and the lower heating furnace are independently used;
the upper cover lid closes during the base, go up toasting chamber and toast the chamber intercommunication down, go up heating element and control panel electric connection, go up the combination of heating furnace and lower heating furnace and use, form the oven.
The utility model discloses a barbecue oven, including upper cover, base, oven, upper cover and base, barbecue mode and chafing dish mode are realized to the upper cover exclusive use, barbecue mode and chafing dish mode are realized to the base exclusive use, when upper cover and base combined use, realize oven mode, and under oven mode, the upper cover can rotate moreover, and the user can open or close the oven through rotatory upper cover to convenience of customers puts or takes out food, and upper cover and base can be dismantled in addition, and the user of being convenient for washs, improves cooking utensil's practicality greatly, satisfies the different culinary art demands of user.
The aim of the utility model can also be solved by the following technical measures:
further, the heating device also comprises an upper coupler and a lower coupler, wherein the upper coupler is arranged on the upper cover, and the upper coupler is electrically connected with the upper heating assembly;
the base is provided with a power socket, the lower coupler is arranged on the base, and the power socket is electrically connected with the lower coupler through a control panel;
the upper cover covers the base, the upper coupler is connected with the lower coupler, and the control panel supplies power to the upper heating assembly through the lower coupler and the upper coupler.
When the upper cover alone uses, be equipped with first power cord, the output of first power cord is for the lower coupler that matches with last coupler, and the user pegs graft lower coupler and last coupler, and first power cord is the power supply of last heating element, realizes that the upper cover alone uses, realizes barbecue mode and chafing dish mode.
When the base used alone, be equipped with the second power cord, the output of second power cord is the power supply end that matches with power socket, and in the user inserted the power socket with the power supply end, the second power cord was heating element and control panel power supply down, realized the base exclusive use, realized barbecue mode and chafing dish mode.
Further, still include connecting seat and lower connecting seat, the upper cover is connected the connecting seat with the rotation mode, the connecting seat is fixed on a lateral wall of base down, go up the connecting seat and can dismantle with lower connecting seat and connect to realize that upper cover and base can dismantle and connect, the upper cover is rotatory around last connecting seat, realizes that the oven is opened or is closed.
Furthermore, the upper coupler is arranged on the upper connecting seat, the lower coupler is arranged on the lower connecting seat, and the upper coupler and the lower coupler are plugged together to enable the upper connecting seat and the lower connecting seat to be detachably connected.
The upper coupler and the lower coupler are inserted together, the upper connecting seat and the lower connecting seat are connected, the upper cover and the base are combined for use, an external power supply supplies power for the lower heating assembly and the control panel through a second power line, and the external power supply supplies power for the upper heating assembly through the upper coupler and the lower coupler, so that an oven mode is realized.
Furtherly, still include the pivot, a lateral wall of upper cover sets up two at least journal stirrup, form the rotation region between journal stirrup and the journal stirrup, go up connecting seat arch formation connecting portion up, connecting portion stretch into in the rotation region, journal stirrup and connecting portion are passed in the pivot, and the upper cover uses the pivot to rotate as the rotation center.
The upper cover rotates by taking the rotating shaft as a rotating center, so that the rotating function of the upper cover is realized, and the oven is convenient for a user to open or close.
Further, the rotating angle of the upper cover around the rotating shaft is 0-180 degrees.
Furthermore, the lateral wall of upper cover is provided with the observation window that is used for observing the upper baking chamber condition. Through being provided with the observation window, the user can see through the observation window and watch the food condition of toasting, and the user control of being convenient for toasts temperature and toasts the time.
Furthermore, a motor is arranged in the upper cover, a transmission shaft of the motor extends into the upper baking cavity, and a notch is formed in the side wall of the upper cover corresponding to the transmission shaft, so that the notch is opposite to the transmission shaft.
The user sits roast dish in baking cavity on, alternates food on roast fork after that, will roast fork one end connection motor's transmission shaft after that, will roast fork other end and sit in the notch, and the motor drives roast fork rotation, goes up heating element work simultaneously and toasts the food of roast fork.
Furthermore, the top of the upper cover is provided with upper support legs, the side wall of the upper cover is provided with an upper handle, the bottom of the base is provided with lower support legs, and the side wall of the base is provided with a lower handle.
The user is invertd the upper cover and is put, goes up the up bearing upper cover of pin, forms the heating furnace, and the user puts the base, and the down pin is up bearing base, forms heating furnace down to realize upper cover and base exclusive use.
Further, it is the heating tube with lower heating element to go up heating element, goes up heating element and sets up in the bottom of last chamber of toasting, and lower heating element sets up the bottom of chamber of toasting under.
Furthermore, the baking oven also comprises a steam water tank which is detachably arranged in the upper baking cavity or the lower baking cavity.
The user hangs the steam basin on the baking net, and the baking process produces high temperature, and high temperature leads to the water boiling of steam basin to form steam, and steam is moist to the food in the oven, avoids food to bake futilely to make food taste tender and smooth succulent.
The utility model has the following beneficial effects:
according to the utility model, the upper cover is used independently to realize a barbecue mode and a hot pot mode, the base is used independently to realize the barbecue mode and the hot pot mode, when the upper cover and the base are used in combination, the oven mode is realized, and in the oven mode, the upper cover can rotate, and a user can open or close the oven by rotating the upper cover, so that the user can conveniently put or take out food, and the upper cover and the base can be detached, so that the user can conveniently clean the cooking utensil, the practicability of the cooking utensil is greatly improved, and different cooking requirements of the user are met.
According to the utility model, when the upper cover is used independently, the first power line is equipped, the output end of the first power line is the lower coupler matched with the upper coupler, a user inserts the lower coupler and the upper coupler, and the first power line supplies power to the upper heating assembly, so that the upper cover is used independently, and a barbecue mode and a hot pot mode are realized.
According to the utility model, when the base is used independently, the second power line is equipped, the output end of the second power line is a power supply end matched with the power socket, a user inserts the power supply end into the power socket, and the second power line supplies power to the lower heating assembly and the control panel, so that the base is used independently, and a barbecue mode and a hot pot mode are realized.
According to the utility model, the upper coupler and the lower coupler are inserted together, the upper connecting seat and the lower connecting seat are connected, the upper cover and the base are combined for use, an external power supply supplies power to the lower heating assembly and the control panel through a second power line, and the external power supply supplies power to the upper heating assembly through the upper coupler and the lower coupler, so that an oven mode is realized.
According to the utility model, through the observation window, a user can watch the food baking condition through the observation window, so that the user can conveniently control the baking temperature and the baking time, and the user can hang the steam sink on the baking net, so that high temperature is generated in the baking process, the high temperature causes the water in the steam sink to boil to form steam, the steam moistens the food in the baking oven, the food is prevented from being baked, and the food is tender and smooth in taste and juicy.
Drawings
Fig. 1 is a schematic view of a cooking appliance (oven mode).
Fig. 2 is another angle schematic of the cooking appliance (oven mode).
Fig. 3 is a sectional view (oven mode) of the cooking appliance.
Fig. 4 is another angle sectional view (oven mode) of the cooking appliance.
Fig. 5 is another angle sectional view (oven mode) of the cooking appliance.
Fig. 6 is a schematic view of the cooking appliance in an unfolded state of the upper cover (oven mode).
Fig. 7 is an assembly view of the cooking appliance.
Fig. 8 is an exploded view of the cooking appliance.
Fig. 9 is a schematic view of an upper cover of the cooking appliance.
Fig. 10 is an assembly view of the upper cover and the spit.
Fig. 11 is a schematic view of the upper cover alone (grill mode 1).
Fig. 12 is a sectional view (grill mode 1) of the upper cover alone.
Fig. 13 is a schematic view of the upper cover alone used (grill mode 2).
Fig. 14 is a sectional view (grill mode 2) of the upper cover alone.
Figure 15 is a schematic view of the base used alone (chafing dish mode).
Fig. 16 is another angle schematic of the base alone (chafing dish mode).
FIG. 17 is an assembly view of the base and the pan body.
Fig. 18 is an assembly view of the lid, body and base.
Figure 19 is a schematic view of the base used alone (chafing dish mode).
Figure 20 is a cross-sectional view of the base used alone (chafing dish mode).
Figure 21 is a schematic view of the base used alone (grill mode).
Fig. 22 is a circuit diagram of the upper cover and a circuit diagram of the base (the upper cover and the base are separated).
Fig. 23 is a circuit diagram of the upper cover circuit diagram (the upper cover is in a state of being used alone).
Fig. 24 is a circuit diagram of a base (base used alone).
Fig. 25 is a circuit diagram of the upper cover and a circuit diagram of the base (combined state of the upper cover and the base).
Detailed Description
The utility model is further described with reference to the following figures and examples:
embodiment, as shown in fig. 1 to 25, a cooking appliance includes an upper cover 1, an upper heating assembly 2, an upper coupler 3, an upper connecting seat 4, a rotating shaft 700, a motor 10, a base 9, a lower heating assembly 5, a lower coupler 6, a lower connecting seat 7, a control panel 8, a roasting fork 100, a roasting pan 200, a roasting net 300, a pan body 400, a pan cover 500, a steam water tank 600, a first power line and a second power line.
The top of upper cover 1 is provided with stabilizer blade 11, the lateral wall of upper cover 1 is provided with handle 12, upper cover 1 is provided with toasting chamber 13, it is the heating tube to go up heating element 2, goes up heating element 2 and sets up in the inner chamber bottom of last toasting chamber 13, the lateral wall of upper cover 1 is provided with the observation window 14 that is used for observing the 13 circumstances of last toasting chamber.
A support lug 15 is arranged on one side wall of the upper cover 1, a rotating area 16 is formed between the support lug 15 and the support lug 15, the upper connecting seat 4 protrudes upwards to form a connecting part 41, the connecting part 41 extends into the rotating area 16, the rotating shaft 700 penetrates through the support lug 15 and the connecting part 41, the upper cover 1 rotates by taking the rotating shaft 700 as a rotating center, and the rotating angle of the upper cover 1 around the rotating shaft 700 is 0-180 degrees.
Motor 10 sets up at 1 inner chamber of upper cover, and baking chamber 13 on stretching into of motor 10's transmission shaft 101, and the position that the lateral wall of upper cover 1 corresponds transmission shaft 101 is opened there is notch 17 to it is relative to make notch 17 and transmission shaft 101, it sets up the bottom at last connecting seat 4 to go up coupler 3, go up heating element 2, motor 10 and 3 electricity of last coupler and connect, form the heating furnace.
The bottom of base 9 is provided with down stabilizer blade 91, the lateral wall of base 9 is provided with down handle 92, base 9 is provided with down toasts chamber 93, heating element 5 is the heating tube down, and lower heating element 5 sets up the inner chamber bottom of toasting chamber 93 down, coupler 6 sets up the top of connecting seat 7 under, and connecting seat 7 is fixed on a lateral wall of base 9 down.
The base 9 is provided with power socket 94, control panel 8 sets up the lateral wall at base 9, heating element 5, lower coupler 6, power socket 94 are connected with control panel 8 electricity respectively down, form heating furnace down.
The output end of the first power line is a lower coupler 6 matched with the upper coupler 3.
The output end of the second power cord is a power supply terminal that mates with power jack 94.
The upper cover 1 is used independently, and the barbecue grill has two barbecue modes and a hot pot mode:
referring to fig. 10 to 12, the grill mode (using the grill fork 100 and the grill pan 200):
the user puts upper cover 1 upside down, goes up the upward bearing upper cover 1 of support leg 11, and then the user connects the lower coupler 6 of first power cord and the last coupler 3 of upper cover 1, and external power supplies power for last heating element 2 and motor 10 through first power cord.
Then, the user sits the baking tray 200 in the upper baking cavity 13, then inserts the food on the spit 100, then connects one end of the spit 100 to the transmission shaft 101 of the motor 10, sits the other end of the spit 100 in the notch 17, the motor 10 drives the spit 100 to rotate, and the upper heating component 2 works to bake the food of the spit 100.
Referring to fig. 13 to 14, the grill mode (using the grill 300 and the grill pan 200):
the user puts upper cover 1 upside down, goes up the upward bearing upper cover 1 of support leg 11, and then the user connects the lower coupler 6 of first power cord and the last coupler 3 of upper cover 1, and external power supplies power for last heating element 2 and motor 10 through first power cord.
Then, the user sits the grill pan 200 in the upper grill chamber 13, sits the grill net 300 on the grill pan 200, and then places the food on the grill net 300, and the upper heating unit 2 operates to grill the food in the grill net 300.
Chafing dish mode (use pan 400):
the user puts upper cover 1 upside down, goes up the upward bearing upper cover 1 of support leg 11, and then the user connects the lower coupler 6 of first power cord and the last coupler 3 of upper cover 1, and external power supplies power for last heating element 2 and motor 10 through first power cord.
Next, the user sits the pot body 400 in the upper baking chamber 13, and then the user places food in the pot body 400, the upper heating assembly 2 works to heat the food of the pot body 400, and the user can cover the pot cover 500 on the pot body 400.
The base 9 is used alone, and is provided with a barbecue mode and a hot pot mode:
referring to fig. 21, the grill mode (using grill 300 and grill pan 200):
the user puts the base 9, and lower support 91 upwards supports base 9, and in the user inserted the power supply end of second power cord into power socket 94, external power passed through the second power cord and supplied power for lower heating element 5 and control panel 8.
Then, the user sits the roasting tray 200 in the lower roasting chamber 93, sits the roasting net 300 on the roasting tray 200, and then places the food on the roasting net 300, and the lower heating assembly 5 operates to roast the food of the roasting net 300.
Referring to fig. 15 to 20, the hot pot mode (using the pot body 400):
the user puts the base 9, and lower support 91 upwards supports base 9, and in the user inserted the power supply end of second power cord into power socket 94, external power passed through the second power cord and supplied power for lower heating element 5 and control panel 8.
Next, the user sits the pot body 400 in the upper baking chamber 13, and then the user places food in the pot body 400, the upper heating assembly 2 works to heat the food of the pot body 400, and the user can cover the pot cover 500 on the pot body 400.
The combination of the upper cover 1 and the base 9 is provided with an oven mode:
as shown in connection with fig. 1 to 8, oven mode (using pan body 400 and grill 300):
the user sits the pot body 400 in toasting the chamber 93 down, and then closes base 9 with upper cover 1 lid, goes up coupler 3 this moment and pegs graft together with coupler 6 down, goes up toast chamber 13 simultaneously and toasts chamber 93 intercommunication down and form the oven, and then in the user inserts power socket 94 with the power supply end of second power cord, external power passes through the second power cord for heating element 5 and control panel 8 power supply down, and external power supplies is for last heating element 2 power supply through last coupler 3 and lower coupler 6.
The user rotates upper cover 1 to open the oven, then the user puts food on roast net 300, then rotatory upper cover 1 makes upper cover 1 lid close base 9, and last user passes through the start-stop of 8 adjustments of control panel upper heating element 2 and lower heating element 5 and adjusts the temperature that generates heat, thereby toasts food, satisfies user's culinary art demand.
If the user needs steam to roast, the user can hang the steam sink 600 on the roasting net 300, the roasting process generates high temperature, the high temperature causes the water in the steam sink 600 to boil to form steam, the steam moistens the food in the roaster, and the food is prevented from being roasted, so that the food tastes tender and juicy.

Claims (10)

1. The utility model provides a cooking utensil, includes upper cover, base and control panel, its characterized in that: the upper cover is provided with an upper baking cavity and an upper heating assembly matched with the upper baking cavity to form an upper heating furnace;
the base is provided with a lower baking cavity and a lower heating assembly which is adapted to the lower baking cavity, the control panel is arranged on the base, and the lower heating assembly is electrically connected with the control panel to form a lower heating furnace;
the upper cover is detachably and rotatably connected with the base, and when the upper cover is separated from the base, the upper heating furnace and the lower heating furnace are used independently;
the upper cover lid closes during the base, go up the baking chamber and bake out the chamber intercommunication down, go up heating element and control panel electric connection, go up the heating furnace and use with lower heating furnace combination, form the oven.
2. The cooking appliance of claim 1, wherein: the heating device also comprises an upper coupler and a lower coupler, wherein the upper coupler is arranged on the upper cover and is electrically connected with the upper heating assembly;
the base is provided with a power socket, the lower coupler is arranged on the base, and the power socket is electrically connected with the lower coupler through a control panel;
the upper cover covers the base, the upper coupler is connected with the lower coupler, and the control panel supplies power to the upper heating assembly through the lower coupler and the upper coupler.
3. The cooking appliance of claim 2, wherein: the oven is characterized by further comprising an upper connecting seat and a lower connecting seat, wherein the upper connecting seat is connected to the upper cover in a rotating mode, the lower connecting seat is fixed on one side wall of the base, the upper connecting seat and the lower connecting seat are detachably connected, so that the upper cover and the base are detachably connected, and the upper cover rotates around the upper connecting seat to open or close the oven.
4. The cooking appliance of claim 3, wherein: the upper coupler is arranged on the upper connecting seat, the lower coupler is arranged on the lower connecting seat, and the upper coupler and the lower coupler are plugged together to enable the upper connecting seat and the lower connecting seat to be detachably connected.
5. The cooking appliance of claim 3, wherein: still include the pivot, a lateral wall of upper cover is provided with two at least journal stirrup, form rotatory region between journal stirrup and the journal stirrup, go up connecting seat arch formation connecting portion up, in connecting portion stretch into rotatory region, journal stirrup and connecting portion are passed in the pivot, and the upper cover uses the pivot to rotate as rotation center.
6. The cooking appliance of claim 1, wherein: the lateral wall of upper cover is provided with the observation window that is used for observing the chamber condition of baking in the top.
7. The cooking appliance of claim 1, wherein: the upper cover embeds there is the motor, and motor and control circuit board electricity are connected, and the transmission shaft of motor stretches into toasts the chamber, and the upper cover lateral wall corresponds the transmission shaft position and opens there is the notch, makes notch and transmission shaft relative.
8. The cooking appliance of claim 1, wherein: the top of upper cover is provided with the stabilizer blade, and the lateral wall of upper cover is provided with the upper handle, the bottom of base is provided with down the stabilizer blade, and the lateral wall of base is provided with down the handle.
9. The cooking appliance of claim 1, wherein: go up heating element and heating element down and be the heating tube, go up heating element and set up in the bottom of last chamber of toasting, lower heating element sets up the bottom of chamber of toasting under.
10. The cooking appliance of claim 1, wherein: still including the steam flume, the steam flume is installed in toasting the intracavity about or toasting the intracavity down with detachable mode.
CN202220197438.3U 2022-01-24 2022-01-24 Cooking utensil Active CN217013657U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220197438.3U CN217013657U (en) 2022-01-24 2022-01-24 Cooking utensil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220197438.3U CN217013657U (en) 2022-01-24 2022-01-24 Cooking utensil

Publications (1)

Publication Number Publication Date
CN217013657U true CN217013657U (en) 2022-07-22

Family

ID=82450724

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220197438.3U Active CN217013657U (en) 2022-01-24 2022-01-24 Cooking utensil

Country Status (1)

Country Link
CN (1) CN217013657U (en)

Similar Documents

Publication Publication Date Title
CN211582730U (en) Multifunctional air fryer
CN202801172U (en) Multipurpose cooking machine
CN210673100U (en) Multifunctional air fryer
CN217013657U (en) Cooking utensil
CN216797357U (en) Connecting structure of cooking utensil
CN210930824U (en) Cooking device
CN202919899U (en) Multifunctional electric cooking appliance
CN102697404B (en) Bread baking machine capable of realizing double-sided baking
CN212089222U (en) Cooking utensil
CN106901618A (en) A kind of Multifunctional cooking machine
CN209915797U (en) Multifunctional cooking pot
CN209499516U (en) Combined type toaster
CN208319032U (en) A kind of air fryer convenient for operation
CN208318938U (en) A kind of multi-function cooking vessel
CN217937902U (en) Multifunctional electric cooker with barbecue and air frying pot
CN218074688U (en) Multifunctional integrated pot
CN219422630U (en) Automatic lifting device and electric chafing dish
CN213248300U (en) Cooking utensil
CN211066252U (en) Air fryer convenient to operation
CN202604638U (en) Combination breakfast machine
CN211933719U (en) Air fryer
CN211632878U (en) Multifunctional pressure air fryer
CN215937109U (en) Integrative device of oven kitchen range
CN212521494U (en) Multifunctional electric heating cooking utensil
CN215304907U (en) Multifunctional electric heating cooking device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant