CN211722230U - Multifunctional table based on open-hole type tabletop - Google Patents

Multifunctional table based on open-hole type tabletop Download PDF

Info

Publication number
CN211722230U
CN211722230U CN201922450550.4U CN201922450550U CN211722230U CN 211722230 U CN211722230 U CN 211722230U CN 201922450550 U CN201922450550 U CN 201922450550U CN 211722230 U CN211722230 U CN 211722230U
Authority
CN
China
Prior art keywords
subassembly
hole
frame
slope
lift
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
CN201922450550.4U
Other languages
Chinese (zh)
Inventor
袁斌霞
杨利法
庞哲
余志鹏
赵卿
李延锋
张岩
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.)
Shanghai University of Electric Power
Original Assignee
Shanghai University of Electric Power
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 Shanghai University of Electric Power filed Critical Shanghai University of Electric Power
Priority to CN201922450550.4U priority Critical patent/CN211722230U/en
Application granted granted Critical
Publication of CN211722230U publication Critical patent/CN211722230U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Combinations Of Kitchen Furniture (AREA)

Abstract

The utility model relates to a multifunctional desk based on formula of opening desktop, including the table body and the formula of opening desktop, the fixed top of locating the table body of formula of opening desktop, the formula of opening desktop includes the desktop frame, lift table subassembly, slope table subassembly and a plurality of slip table subassembly, lift table subassembly includes lift subassembly and lift table, the lift subassembly drives lift table parallel lift, the slope table subassembly includes slope subassembly and slope table, slope table and slope subassembly cooperation slope setting, slip table subassembly includes slide rail subassembly and slip table, the slip table slides along the slide rail subassembly, the lift table, all be equipped with hidden handle on slope table and the slip table. Compared with the prior art, the utility model can take the articles without making space before the body, the positions of the articles are clear at a glance when the articles are taken, the use space can be saved, and the articles can be conveniently taken and placed; the table board is arranged to be lifted and inclined, so that the flexibility of using the space of the table top is improved.

Description

Multifunctional table based on open-hole type tabletop
Technical Field
The utility model relates to a multifunctional table especially relates to a multifunctional table based on formula of opening a hole desktop.
Background
Along with social development, the living standard of people is continuously improved at present, and ordinary tables with single functions cannot meet the requirements of learning and living of people, and people need home tables with stronger functionality in office work, drawing, painting and even experiments. However, the existing tables on the market are various in types, such as lifting type, flip type, folding type, integrated type and the like. However, both the common learning table and the functional table have the problems of single function, low space utilization rate, inconvenience and the like. For example, the flip type desk has the advantages that the desktop is required to be emptied when the desk is used, the space of the lifting type desk is generally too small, even if a desk with a large space is available, a plate capable of being lifted or flipped is cut on the common desk, the desktop is still required to be cleaned when the desk is used, and the desk is still inconvenient to take out objects from the desk hole. When people have special requirements on the desk, people still need to go to special places or prepare different desks or tools, so that much inconvenience is brought to the study and life of people, and the efficiency of office work and study is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a multifunctional table based on a holed tabletop.
The purpose of the utility model can be realized through the following technical scheme:
a multifunctional desk based on a hole-opening desktop comprises a desk body and a hole-opening desktop, wherein the hole-opening desktop is fixedly arranged at the top of the desk body and comprises a desktop frame, a lifting desk plate component, an inclined desk plate component and a plurality of sliding desk plate components, the desktop frame is provided with a lifting desk surface hole, an inclined desk surface hole and a plurality of sliding desk surface holes, the lifting desk surface hole is longitudinally adjacent to the inclined desk surface hole, the sliding desk surface holes are arranged on the side surfaces of the lifting desk surface hole and the inclined desktop,
the lift table subassembly include lift subassembly and lift table, the lift subassembly drive lift table parallel lift, slope table subassembly include slope subassembly and slope table, slope table and slope subassembly cooperation slope setting, slip table subassembly include slide rail subassembly and slip table, the slip table slide along the slide rail subassembly, lift table, slope table and slip table on all be equipped with hidden handle.
Preferably, the desktop frame include rectangle table frame, crossbeam and two longerons, the left end of crossbeam and the middle part fixed connection on the left side of rectangle table frame, the right-hand member of crossbeam and the middle part fixed connection on the right side of rectangle table frame, the crossbeam parallel with the upper and lower side of rectangle table frame, the upper end of longeron and the last side fixed connection of rectangle table frame, the lower extreme of longeron and the lower side fixed connection of rectangle table frame, longeron and rectangle table frame control the side parallel, rectangle table frame, crossbeam and two longerons form six table face holes, wherein, two in the middle the table face hole is lift table face hole and slope table face hole, four of both sides the table face hole is the slip table face hole.
Preferably, the slide rail subassembly include two horizontal slide rails and two slope slide rails, horizontal slide rail level locate the downthehole last side of slip desktop and downside, two horizontal slide rails set up relatively, the slope slide rail locate the downthehole last side of desktop and downside in centre, slope slide rail slope set up downwards, two slope slide rails set up relatively, and the top of slope slide rail with the end-to-end connection of horizontal slide rail, the upper and lower both sides of slip table be equipped with horizontal slide rail and slope slide rail shape complex pulley.
Preferably, the lifting subassembly comprises a first cross frame and a second cross frame, cross frame grooves are formed in the left side and the right side of the lifting table top hole, the first cross frame comprises a first supporting rod and a second supporting rod, one end of the first supporting rod is rotatably connected with the upper end of the left side of the bottom of the lifting table top, the other end of the first supporting rod is matched with the cross frame grooves in shape, one end of the second supporting rod is rotatably connected with the upper end of the left side of the lifting table top hole, a guide groove is formed in the side surface of the lifting table top, a guide column matched with the guide groove in shape is formed in the other end of the second supporting rod, the guide column is clamped in the guide groove, the second cross frame comprises a third supporting rod and a fourth supporting rod, one end of the third supporting rod is rotatably connected with the upper end of the right side of the bottom of the lifting table top, the shape of the other end of the third supporting rod is matched with the shape of the crossed frame groove, one end of the fourth supporting rod is rotatably connected with the upper end of the right side of the lifting table top hole, the side surface of the lifting table top is provided with a guide groove, the other end of the fourth supporting rod is provided with a guide post matched with the shape of the guide groove, and the guide post is clamped in the guide groove.
Preferably, the slope subassembly include support, support seat and support frid, the one end of support frid be fixed in the upside middle part in slope desktop hole, the other end of support frid be fixed in the downside middle part in slope desktop hole, the support frid on be equipped with the support groove, the support seat fix locate the bottom of slope desktop, one end and the support seat rotatable coupling of support, during the use, the other end card of support establish in the support groove.
Preferably, the desktop frame is provided with at least two bracket grooves, so that the angle of the inclined desk plate can be conveniently adjusted.
Preferably, the table body comprises a flat plate, a front panel, a rear panel and two side plates, wherein the front panel, the rear panel and the two side plates are vertically arranged, the front side and the rear side of the flat plate are fixedly connected with the bottoms of the front panel and the rear panel respectively, the front panel and the rear panel are arranged in parallel, the left side and the right side of the flat plate are fixedly connected with the side plates respectively, and the top surfaces of the front panel, the rear panel and the two side plates are coplanar.
Preferably, the front panel is provided with a plurality of turnover plates, correspondingly, the table body further comprises a plurality of turnover plates, and the bottoms of the turnover plates are rotatably connected with the bottom sides of the turnover plate holes through damping hinges.
The utility model discloses during the use, form storing space between open hole formula desktop and the table body, it is downthehole to the middle desktop along slope rail movement with the sliding table board through the handle that can bounce, directly take article in storing space, the table board that will go up and down is pulled up through the handle that can bounce, and with first bracing piece, the lower extreme card of third bracing piece is established at the cross brace inslot, make the lifting table board steadily rise and fix, with first bracing piece, the lower extreme card of third bracing piece is established at the cross brace inslot of difference, can adjust the height of lifting table board, pull up the table board that will incline through the handle that can bounce, establish the support card in the support inslot, establish different support inslots with the support card, can adjust the angle that the table board that inclines.
Compared with the prior art, the utility model has the advantages of as follows:
(1) the utility model discloses a multi-functional desk based on formula of opening a hole desktop utilizes the slip desktop to open the table body storing space when taking article, need not to vacate the space before one's body and just can take article, and article position is surveyability when getting article, can practice thrift the usage space, is convenient for take and place article;
(2) the lifting table plate component of the utility model can enable the lifting table plate to be lifted horizontally, and can adjust the height of horizontal lifting, thereby increasing the flexibility of the use of the space of the table top;
(3) the utility model discloses a slope table subassembly can make the slope table slope place to adjust inclination, be convenient for place, put by article.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the desktop frame, the lifting table component and the tilting table component of the present invention;
FIG. 3 is a schematic structural view of the desktop frame of the present invention;
fig. 4 is a schematic top view of the desktop frame of the present invention.
The multifunctional desk comprises a sliding desk plate 1, a sliding desk plate 2, a lifting desk plate 3, an inclined desk plate 4, side plates 5, a hidden handle 6, a turning plate 7, a third supporting rod 8, a fourth supporting rod 9, a desktop frame 10, a first supporting rod 11, a second supporting rod 12, a support 13, a support seat 14, a support groove plate 15, a cross frame groove 16, an inclined slide rail 17 and a horizontal slide rail.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1, a multifunctional table based on formula desktop of opening a hole, including the table body and the formula desktop of opening a hole, the table body includes dull and stereotyped and the vertical front panel that sets up, rear panel and two curb plates 4, both sides respectively with the bottom fixed connection of front panel and rear panel around the flat board, front panel and rear panel parallel arrangement, dull and stereotyped the left and right sides respectively with 4 fixed connection of curb plate, front panel, the top surface coplane of rear panel and two curb plates 4, a plurality of turning plate holes have been seted up on the front panel, correspondingly, the table body still includes a plurality of turning plates 6, the bottom side rotatable coupling of turning plate hole is passed through damping hinge in the bottom of turning plate 6. In this embodiment, 3 turn over the board hole on the front panel, correspond, the table body includes 3 turns over the board.
The opening type desktop is fixedly arranged at the top of the desk body, a storage space is formed between the opening type desktop and the desk body, and the opening type desktop comprises a desktop frame 9, a lifting desk plate assembly, an inclined desk plate assembly and a plurality of sliding desk plate assemblies. The utility model discloses in, open hole formula desktop include four slip table subassemblies.
As shown in fig. 3 and 4, the desktop frame 9 includes a rectangular table frame, a cross beam and two longitudinal beams, the left end of the cross beam is fixedly connected with the middle of the left side of the rectangular table frame, the right end of the cross beam is fixedly connected with the middle of the right side of the rectangular table frame, the cross beam is parallel to the upper and lower sides of the rectangular table frame, the upper end of the longitudinal beam is fixedly connected with the upper side of the rectangular table frame, the lower end of the longitudinal beam is fixedly connected with the lower side of the rectangular table frame, the longitudinal beam is parallel to the left and right sides of the rectangular table frame, six desktop holes are formed in the rectangular table frame, the cross beam and the two longitudinal beams, wherein the two desktop holes in the middle are lifting desktop holes and inclined desktop holes from top to bottom, and the desktop holes on both sides are sliding desktop holes.
As shown in fig. 2, fig. 3, the slip table subassembly includes slide rail subassembly and slip table 1, slip table 1 slides along the slide rail subassembly, the slide rail subassembly includes two horizontal slide rails 17 and two slope slide rails 16, the downthehole last side of slip desktop and downside are located to horizontal slide rail 17 level, two horizontal slide rails 17 set up relatively, slope slide rail 16 locates the downthehole last side and the downside in desktop in the middle of, slope slide rail 16 slopes to set up downwards, two slope slide rails 16 set up relatively, and the top of slope slide rail 16 and the end-to-end connection of horizontal slide rail 17, the upper and lower both sides of slip table 1 are equipped with the pulley with horizontal slide rail 17 and 16 shape-fits of slope slide rail.
As shown in fig. 2 and 3, the lifting table component comprises a lifting sub component and a lifting table 2, the lifting sub component drives the lifting table 2 to lift in parallel, the lifting sub component comprises a first cross frame and a second cross frame, cross frame grooves 15 are formed on the left side and the right side of the lifting table hole, the first cross frame comprises a first support rod 10 and a second support rod 11, one end of the first support rod 10 is rotatably connected with the upper end of the left side of the bottom of the lifting table 2, the other end of the first support rod 10 is matched with the cross frame grooves 15 in shape, one end of the second support rod 11 is rotatably connected with the upper end of the left side of the lifting table hole, a guide groove is formed on the side surface of the lifting table 2, a guide column matched with the guide groove in shape is formed on the other end of the second support rod 11, the guide column is clamped in the guide groove, the second cross frame comprises a third support rod 7 and a fourth support rod 8, one end of the third support rod 7 is rotatably connected, the shape and the cross frame groove 15 adaptation of the other end of third bracing piece 7, the upper end rotatable coupling on one end and the lift desktop hole right side of fourth bracing piece 8, the guide way has been seted up to the side of lift table 2, the guide post with guide way shape adaptation is seted up to the other end of fourth bracing piece 8, the guide post card is established in the guide way, the utility model discloses in, the left and right sides in lift desktop hole respectively is equipped with four cross frame grooves 15.
As shown in fig. 2-4, the slope table subassembly includes slope subassembly and slope table 3, slope table 3 sets up with slope subassembly cooperation slope, the downside of slope table and the downside rotatable coupling in slope table hole, the slope subassembly includes support 12, support seat 13 and support frid 14, the upside middle part in slope table hole is fixed in to the one end of support frid 14, the downside middle part in slope table hole is fixed in to the other end of support frid 14, be equipped with the support groove on the support frid 14, support seat 13 is fixed in the bottom of slope table 3, the one end and the support seat 13 rotatable coupling of support 12, in the use, the other end card of support 12 is established at the support inslot, be equipped with two support grooves on the desktop frame 9 at least, in this embodiment, be equipped with six support grooves on the desktop frame 9.
The lifting table plate 2, the inclined table plate 3 and the sliding table plate 1 are all provided with hidden handles 5. In this embodiment, hidden handle 5 as shown in fig. 1, including rotatory handle portion and handle button, seted up the handle groove on lift table 2, slope table 3 and the slip table 1, rotatory handle portion card establish at the handle groove, torsional spring and handle groove rotatable coupling are passed through to the one end of rotatory handle portion, the other end of rotatory handle portion is located to the handle button, the handle button can fix rotatory handle in the handle groove, press the handle button after, rotatory handle portion is released, the torsional spring drives rotatory handle portion and rotates and bounce.
When the multifunctional table based on the open-hole type tabletop is used and articles need to be stored and taken out, the hidden handle 5 on the sliding table plate 1 is pulled out, the sliding table plate 1 sequentially slides into the middle tabletop hole along the horizontal slide rail 17 and the inclined slide rail 16, storage space is exposed, and the articles are stored and taken out; when the lifting function is used, the hidden handle on the lifting table plate 2 is pulled out, the lifting table plate 2 is pulled upwards, the bottoms of the first support rod 10 and the third support rod 7 of the cross frame are clamped in the cross frame groove 15, and the fixing of the lifting table plate 2 is completed; when the inclined desk plate is used, the hidden handle 5 on the inclined desk plate 3 is pulled out, the lower side of the inclined desk plate 3 rotates around the lower side of the inclined desk surface hole, the support 12 is clamped in the support groove, and the inclined desk plate 3 is pulled out and fixed.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.

Claims (8)

1. A multifunctional desk based on a hole-opened desktop is characterized by comprising a desk body and a hole-opened desktop, wherein the hole-opened desktop is fixedly arranged at the top of the desk body and comprises a desktop frame (9), a lifting desk plate component, an inclined desk plate component and a plurality of sliding desk plate components, the desktop frame (9) is provided with a lifting desk surface hole, an inclined desk surface hole and a plurality of sliding desk surface holes, the lifting desk surface hole is longitudinally adjacent to the inclined desk surface hole, the sliding desk surface holes are arranged on the lifting desk surface hole and the side surface of the inclined desktop,
the lift table subassembly include lift subassembly and lift table (2), the lift subassembly drive lift table (2) parallel lift, the slope table subassembly including slope subassembly and slope table (3), slope table (3) with slope subassembly cooperation slope setting, the slip table subassembly include slide rail subassembly and slip table (1), slip table (1) slide along the slide rail subassembly, lift table (2), slope table (3) and slip table (1) on all be equipped with hidden handle (5).
2. The multifunctional table based on the open-hole type table top as claimed in claim 1, wherein the table top frame (9) comprises a rectangular table frame, a cross beam and two longitudinal beams, the left end of the cross beam is fixedly connected with the middle of the left side of the rectangular table frame, the right end of the cross beam is fixedly connected with the middle of the right side of the rectangular table frame, the cross beam is parallel to the upper side and the lower side of the rectangular table frame, the upper end of the longitudinal beam is fixedly connected with the upper side of the rectangular table frame, the lower end of the longitudinal beam is fixedly connected with the lower side of the rectangular table frame, the longitudinal beam is parallel to the left side and the right side of the rectangular table frame, the cross beam and the two longitudinal beams form six table top holes, wherein the two table top holes in the middle are lifting table top holes and inclined table top holes, and the four table top holes on two sides are sliding table top holes.
3. The multifunctional table based on the open-hole type tabletop according to claim 2, wherein the slide rail subassembly comprises two horizontal slide rails (17) and two inclined slide rails (16), the horizontal slide rails (17) are horizontally arranged at the upper side and the lower side of the sliding tabletop hole, the two horizontal slide rails (17) are oppositely arranged, the inclined slide rails (16) are arranged at the upper side and the lower side of the middle tabletop hole, the inclined slide rails (16) are obliquely and downwardly arranged, the two inclined slide rails (16) are oppositely arranged, the top ends of the inclined slide rails (16) are connected with the tail ends of the horizontal slide rails (17), and pulleys matched with the horizontal slide rails (17) and the inclined slide rails (16) in shape are arranged at the upper side and the lower side of the sliding table plate (1).
4. The multifunctional table based on the open-hole type tabletop according to claim 2, wherein the lifting subassembly comprises a first cross frame and a second cross frame, the left and right sides of the lifting tabletop hole are provided with cross frame grooves (15), the first cross frame comprises a first supporting rod (10) and a second supporting rod (11), one end of the first supporting rod (10) is rotatably connected with the upper end of the left side of the bottom of the lifting tabletop (2), the other end of the first supporting rod (10) is matched with the cross frame grooves (15) in shape, one end of the second supporting rod (11) is rotatably connected with the upper end of the left side of the lifting tabletop hole, the side surface of the lifting tabletop (2) is provided with a guide groove, the other end of the second supporting rod (11) is provided with a guide post matched with the guide groove in shape, and the guide post is clamped in the guide groove, the second crossing frame include third bracing piece (7) and fourth bracing piece (8), the upper end rotatable coupling on one end of third bracing piece (7) and lift table (2) bottom right side, the shape and the crossing frame groove (15) adaptation of the other end of third bracing piece (7), the upper end rotatable coupling on one end and the lift table hole right side of fourth bracing piece (8), the side of lift table (2) seted up the guide way, the other end of fourth bracing piece (8) seted up the guide post with guide way shape adaptation, the guide post card establish in the guide way.
5. The multifunctional table based on the open-hole type tabletop according to claim 2, wherein the lower side of the inclined table plate is rotatably connected with the lower side of the inclined table hole, the inclined subassembly comprises a support (12), a support seat (13) and a support groove plate (14), one end of the support groove plate (14) is fixed in the middle of the upper side of the inclined table hole, the other end of the support groove plate (14) is fixed in the middle of the lower side of the inclined table hole, a support groove is formed in the support groove plate (14), the support seat (13) is fixedly arranged at the bottom of the inclined table plate (3), one end of the support (12) is rotatably connected with the support seat (13), and when the multifunctional table is used, the other end of the support (12) is clamped in the support groove.
6. A multi-purpose table based on a holed desk as claimed in claim 5 wherein the desk top frame (9) has at least two bracket slots.
7. The multifunctional table based on the open-hole type tabletop according to claim 1, wherein the table body comprises a flat plate, a front panel, a rear panel and two side plates (4), the front side and the rear side of the flat plate are respectively and fixedly connected with the bottoms of the front panel and the rear panel, the front panel and the rear panel are arranged in parallel, the left side and the right side of the flat plate are respectively and fixedly connected with the side plates (4), and the top surfaces of the front panel, the rear panel and the two side plates (4) are coplanar.
8. The multifunctional table based on the holed desktop according to claim 7, wherein the front panel is provided with a plurality of turnover holes, correspondingly, the table body further comprises a plurality of turnover plates (6), and the bottoms of the turnover plates (6) are rotatably connected with the bottom sides of the turnover holes through damping hinges.
CN201922450550.4U 2019-12-31 2019-12-31 Multifunctional table based on open-hole type tabletop Active CN211722230U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922450550.4U CN211722230U (en) 2019-12-31 2019-12-31 Multifunctional table based on open-hole type tabletop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922450550.4U CN211722230U (en) 2019-12-31 2019-12-31 Multifunctional table based on open-hole type tabletop

Publications (1)

Publication Number Publication Date
CN211722230U true CN211722230U (en) 2020-10-23

Family

ID=72868114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922450550.4U Active CN211722230U (en) 2019-12-31 2019-12-31 Multifunctional table based on open-hole type tabletop

Country Status (1)

Country Link
CN (1) CN211722230U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110973821A (en) * 2019-12-31 2020-04-10 上海电力大学 Multifunctional table based on open-hole type tabletop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110973821A (en) * 2019-12-31 2020-04-10 上海电力大学 Multifunctional table based on open-hole type tabletop

Similar Documents

Publication Publication Date Title
CN110973821A (en) Multifunctional table based on open-hole type tabletop
CN211722230U (en) Multifunctional table based on open-hole type tabletop
CN205432678U (en) Multilayer formula desk
CN111920190A (en) Multifunctional writing desk with linkage mechanism
CN204599795U (en) Foldable multifunctional desk and chair
CN109588859A (en) A kind of automatic invisible tables and chairs system
US4437411A (en) Multi-position student table
CN204132753U (en) A kind of multifunctional desk
CN213254551U (en) Laboratory bench is used in medical science experiment teaching
JPH0713544Y2 (en) Table with slide rack lifting device
CN204708290U (en) A kind of ergonomic teaching equipment
CN104172748B (en) Multifunctional desk
CN209912202U (en) Combined multifunctional lifting bench worker practical training device and bench worker practical training platform
CN209644268U (en) A kind of automatic detent limit read-write board and reading and writing platform
CN208080829U (en) It is multi-functional to say desk
US6186589B1 (en) Portable, children's all-purpose desk
CN218635534U (en) Multifunctional learning table
CN214048000U (en) Multifunctional placing table for physical teaching aid
CN220045216U (en) Portable bed table
CN214594851U (en) Portable folding dining table
CN217137174U (en) Desk with adjustable height
CN217447006U (en) Lifting learning table with improved structure
CN215936662U (en) Table and chair connecting structure
CN220594764U (en) Folding dining table for motor home
CN216675074U (en) Multifunctional office table spliced in L shape

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant