CN211130589U - Indoor shoe drying rack for student dormitory - Google Patents

Indoor shoe drying rack for student dormitory Download PDF

Info

Publication number
CN211130589U
CN211130589U CN201922455097.6U CN201922455097U CN211130589U CN 211130589 U CN211130589 U CN 211130589U CN 201922455097 U CN201922455097 U CN 201922455097U CN 211130589 U CN211130589 U CN 211130589U
Authority
CN
China
Prior art keywords
ring
diameter
disc
rod
well
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.)
Expired - Fee Related
Application number
CN201922455097.6U
Other languages
Chinese (zh)
Inventor
张煜敏
赵佳琪
杨博惠
梁胜华
刘绘珍
葛晓梅
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.)
Zhengzhou University of Aeronautics
Original Assignee
Zhengzhou University of Aeronautics
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 Zhengzhou University of Aeronautics filed Critical Zhengzhou University of Aeronautics
Priority to CN201922455097.6U priority Critical patent/CN211130589U/en
Application granted granted Critical
Publication of CN211130589U publication Critical patent/CN211130589U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses an indoor shoe rack that dries in air of student bedroom, the effectual indoor shoes region that does not dry in air of current student bedroom of having solved does not have the problem of suitable sunning mode, including the disc, the disc up end is undercut's radian face, install the base on the radian face, be connected with the well core rod that can stretch out and draw back on the base, the cover is equipped with well ring and last ring that can rotate in proper order on the well core rod from the bottom up, the diameter of well ring is greater than the diameter of last ring, the diameter of radian face is greater than the diameter of well ring, be equipped with a plurality of bracing pieces that are the circumference equipartition on well ring and the last ring, the utility model discloses small and exquisite be convenient for accomodate, have better sunning capacity, possess practicality and high efficiency, be fit for the crowd wide.

Description

Indoor shoe drying rack for student dormitory
Technical Field
The utility model relates to a shoe rack technical field that dries in air specifically is an indoor shoe rack that dries in air of student bedroom.
Background
In recent years, as the number of residences in student apartments of colleges and universities increases and the consumption level of students increases, shoe airing areas are not designed in many apartments, the space for the students to air shoes in a bedroom is reduced, and a proper air-drying mode is not provided. Therefore, we can often see such phenomena in and around the bedroom: narrow bedroom balcony wall root department, ground have dried in the air the shoes, have classmates to take the shoes to the sunning district sunning of first floor, have even classmates because the bedroom can not dry in the air the shoes hang the sunning outside the window with the rope. These sunning modes not only can influence student's quality of life, and some accidents often can take place moreover, if shoes fall down upstairs or shoes are lost, bad sunning mode, if long-time insolate can accelerate shoes oxidation, vamp decoloration etc.. If the shoes are air-dried in a cool and shady place, the shoes have peculiar smell. These life measures are also a problem that the same students expect to improve. Therefore, the improvement of the shoe airing rack is not easy.
The magic ware of present airing shoes is mostly clothes hanger suspension type, and the bedroom balcony only has two clotheslines about 3 meters liftoff, if will air-dry shoes on the clothesline not only need occupy great clothing space that shines, the sunning is more difficult with taking off shoes, and shoes have the risk that hangs shakiness moreover and fall.
Based on the purpose, a shoe airing rack suitable for a student bedroom is designed to meet the shoe airing requirements of students. A reasonable shoe airing rack can bring great convenience to students in life, and the concept of human-oriented engineering is reflected.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defect of prior art, the utility model provides an indoor shoe rack that dries in air of student bedroom, the effectual indoor shoes region that does not dry in air of current student bedroom of having solved does not have the problem of suitable sunning mode.
Indoor shoe rack that dries in air of student bedroom, a serial communication port, including the disc, the disc up end is the radian face of undercut, install the base on the radian face, be connected with well core rod that can stretch out and draw back on the base, well core rod is last from the bottom up and overlaps in proper order and is equipped with well ring and last ring that can rotate, the diameter of well ring is greater than the diameter of last ring, the diameter of radian face is greater than the diameter of well ring, be equipped with a plurality of bracing pieces that are the circumference equipartition on well ring and the last ring.
Preferably, the upper end of the supporting rod and the top end of the central rod are sleeved with arc-shaped protruding blocks in a detachable mode.
Preferably, the U-shaped shoe support is detachably arranged at the upper end of the supporting rod and the top end of the central rod in a sleeved mode.
Preferably, the support rods have different heights.
Preferably, a plurality of pull ropes connected to the central rod are transversely fixed in the middle ring and the upper ring.
Preferably, a bottom box with a cavity inside is installed below the disc, a plurality of drain holes are uniformly distributed on the joint of the base and the radian surface, the drain holes are communicated into the bottom box through drain pipes arranged in the base, a water receiving basin arranged at the bottom of the bottom box is placed below the drain pipes, a rotating door is installed on the side wall of the bottom box, and a handle is installed on the rotating door.
Preferably, the central rod is two telescopic rods, and the central rod is provided with a lock catch.
Preferably, the disc sliding connection is in the under casing, and the below of disc rotates and is connected with a plurality of intercrossing bull sticks, rotates between a plurality of criss-cross bull sticks to be connected, and the bottom mounting of bull stick has the crossbeam of arranging between the under casing lateral wall in, has seted up the slide rail in the crossbeam, and the bull stick slidable mounting of one of them bottom is in the slide rail.
Preferably, the support rod is respectively and rotatably connected to the middle ring and the upper ring through a rotating shaft.
Preferably, the diameter of the upper ring is 15.8cm, the diameter of the middle ring is 25cm, the diameter of the disc is 26cm, the length of a central rod at the upper ring is 3cm, the length of a central rod between the upper ring and the middle ring is 29cm, the length of a central rod between the base and the middle ring is 51.776cm, the height of the supporting rod is 7cm, the height of the arc-shaped convex block is 1cm, the edge thickness of the disc is 1cm, the diameter of the central rod is 1cm, and the diameter of the pull rope is 0.1 cm.
Compared with the prior art, the utility model, following technological effect has:
the shoe rack should satisfy basic principles such as functionality, hommization, high efficiency, practicality, because the shoe rack that dries in the air is the environmental particularity of using in the bedroom, should pay attention to following several kinds of principles more in the design.
Firstly, small and exquisite be convenient for accomodate. The balcony area of bedroom is limited and for public area, so adopt the extensible pole in the design, promptly can flexible well pole, can not occupy great area in balcony corner department when idle, a plurality of crisscross bull sticks promptly.
Secondly, the utility model has better airing capacity. According to the results of questionnaire survey, the number of shoes brushed per time is concentrated on 2-3 pairs per bedroom unit, and 80% of shoes aired at one time in the bedroom are not more than 6 pairs. The shoe rack designed at this time can accommodate 5 pairs of shoes, and can meet most requirements of students. And other articles can be aired when the clothes hanger is not used.
Thirdly, the practicality, the high efficiency of sunning. According to the questionnaire, most students are not satisfied with the problems of poor air-drying and ventilation at the corner of the wall and short sunshine time, and the dust in the air-drying area is large and easy to lose. Therefore, in the design, the shoes are aired on the rotatable disc and are vertical to the ground, so that the airing efficiency is improved, and the air circulation is realized. And can accomplish the shoes sunning in the bedroom, avoid the dust and lose.
And fourthly, the application range is wide. The shoe airing rack designed at this time takes the 95 th percentile of the foot width of the male aged 18-25 years old in GB10000-88 Chinese adult human body size as the design basis so as to ensure that the airing requirement of most bedrooms can be met.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic view of the U-shaped shoe support of the present invention.
Fig. 3 is a schematic view of the connection of a plurality of rotating rods of the present invention.
1: a disc; 2: a cambered surface; 3: a base; 4: a center pole; 5: a middle circular ring; 6: an upper circular ring; 7: a support bar; 8: an arc-shaped convex block; 9: a shoe support; 10: pulling a rope; 11: a bottom box; 12: a drain hole; 13: a drain pipe; 14: a water receiving basin; 15: a rotating door; 16: a handle; 17: locking; 18: a rotating rod; 19: a cross beam; 20: a slide rail.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
And (3) analyzing the human factors engineering of the shoe airing rack:
the ideal shoe airing rack for the bedroom can meet basic principles of functionality, humanization, high efficiency, practicability and the like, and due to the environmental particularity of the use of the shoe airing rack in the bedroom, the following principles are more emphasized in design. Firstly humanized, small and exquisite be convenient for accomodate, secondly the practicality of sunning, the third is functional, the high efficiency of sunning, and the fourth is the science. The shoe airing rack is determined according to the human body measurement data, and the high percentile is selected to ensure that most people are suitable. Meanwhile, the practical color collocation in the color design should reasonably use the color from the aspects of science and rationality, and bring harmonious, beautiful and comfortable feelings to people.
Human body size:
the height of the shoe airing rack, the radius of the hooks and the like are designed according to the size of a human body, so that each function of the product meets the use requirements of users. The height of the shoe rack should accord with the functional height of human body, so that people can easily air and carry the shoe rack, the radius of the hook should accord with the size of feet of people, and the shoe rack should ensure the suitability of most people.
The following is body size data that may be required for product design:
Figure BDA0002348000870000041
product size source and function:
(1) the radius of the disc in the product is selected according to the foot width of a male aged 18-25 in anthropometric data, the 95 th high percentile is selected, the shoe airing requirement of 95% of students can be met, and the correction quantity of the shoes is selected to be 2 cm.
It can be calculated that: 6x (103mm +20mm) ═ 738mm
250mmx3.14=785mm
4x(103mm+20mm)=492mm
158mmx3.14=496.12mm
250/158≈1.618
The circumference is larger than the width of the shoe, and the radius ratio of the upper disc to the lower disc is close to 1.618, so that better ventilation, sunlight irradiation and aesthetic property can be ensured.
(2) The height of the support rod in the product is selected, and according to the investigation of a large number of markets, the front end of the toe cap grows to be within the range of 4-6cm, so that 7cm is selected, and the protruding block is determined to be 1cm after the investigation. And 85% of students tend to low-upper shoes and high-upper shoes according to the results of questionnaires, and the two types of shoes are suitable.
(3) According to the measured data of the human body, the length of a male in the age of 18-25 years is taken as 265cm at the 95 th high percentile, and the correction quantity is 20mm, so that the distance between the upper ring and the lower ring is determined to be 290 mm. H3 is 517.76mm determined according to the golden ratio principle. The center rod is telescopic (similar to the rod part of a stretchable mop cloth), and is convenient to store.
(4) The disc has better stability, and the shoe rack is prevented from toppling over in the airing process. The edge of the disc is provided with a bulge of 1cm, so that dripping water of shoes can be collected, and inconvenience caused by wet and slippery road surface due to accumulated water is avoided.
(5) The product is not limited to shoe airing, shoelaces can be aired, the clips can be disassembled in match, and insoles, small towels and the like can be aired.
(6) The upper ring and the lower ring on the upper layer and the lower layer have different radiuses, so that water drops of shoes on the upper layer can be prevented from falling on the lower layer, and the airing efficiency is improved.
Product modeling:
(1) the diameter ratio of the upper and lower disks is close to 0.618, and h1+ h2/h3 is 0.618, so that the golden ratio is met, and the aesthetic requirement of the public is met.
(2) The protruding block part is painted with frosted texture, so that friction is increased, and shoes are prevented from falling off.
(3) The connecting part of the shoe airing rack and the disc is in arc transition, so that the shoe airing rack is simple and elegant.
(4) The whole modeling line is smooth, is rich in layering sense and accords with the individual pursuit of the contemporary people.
Material selection and product color:
(1) the whole material is made of steel pipe nickel-plated alloy, so that the decoloration and the rusting are avoided.
(2) The product is rich in glossiness.
(3) The lock catch part is made of transparent POM material, and has better corrosion resistance and wear resistance.
Under this condition, the utility model provides a shoe rack dries in air in bedroom, including disc 1, 1 inner face of disc is undercut's radian face 2, and welding or bolt installation have base 3 on radian face 2, are connected with well core rod 4 that can stretch out and draw back on the base 3, and well core rod 4 is gone up from the bottom up and is equipped with well ring 5 that can the pivoted and goes up ring 6 in proper order, and the diameter of going up ring 6 is less than well ring 5's diameter, and well ring 5's diameter is less than disc 1's diameter, vertically upwards installs a plurality of bracing pieces 7 that are the circumference equipartition on well ring 5 and last ring 6.
Well core rod 4 is adjusted and is made go up ring 6 and well ring 5's position adjustable, reduce the space equally, go up ring 6 and be less than well ring 5, prevent to go up shoes on ring 6 with the water droplet shoes on well ring 5, go up ring 6 and lower ring 5 and go up shoes and all collect water droplet to radian face 2 in, bracing piece 7 can support the foot mouth of shoes, go up ring 6 and well ring 5 and can rotate, the convenient shoes that dry in the air and the convenient each pair of shoes that make of each bracing piece 7 are suncured.
The upper end of the support rod 7 and the upper end of the top end of the central rod 4 are detachably provided with arc-shaped protruding blocks 8 for placing the foot openings of shoes.
When a plurality of shoes are arranged, the upper ends of the supporting rods 7 and the top end of the central rod 4 are sleeved with U-shaped shoe supports 9 which are detachably arranged, so that two shoes can be placed on each supporting frame 7.
The height setting of the support bars 7 is different according to the different types of shoes and the avoidance of the adjacent shoes from being wetted.
A plurality of pull ropes 10 are transversely fixed in the middle ring 5 and the upper ring 6, and shoe ropes, socks, small towels and the like can be aired on the pull ropes 10.
The inside under casing 11 that is the cavity is installed to disc 1 below, be equipped with a plurality of wash ports 12 that are the circumference equipartition in base 3 and 2 junctures of radian face, install vertical drain pipe 13 in the base 3, the upper end intercommunication wash port 12 of drain pipe 13, water receiving basin 14 has been placed to the below of drain pipe 13, water receiving basin 14 is placed in under casing 11 bottom, revolving door 15 is installed to the side door of under casing 11, there is handle 16 on the revolving door 15, go up the water on ring 6 and the well ring 5 and all drip on radian face 2, water on radian face 2 flows to under casing 11 in the water receiving basin 14 in through wash port 12, avoid the rivers on the shoes to the bedroom balcony on.
Well core rod 4 is two sections telescopic links for go up ring 6 and can stretch out and draw back, well ring 5 also can stretch out and draw back, installs hasp 17 on well core rod 4, after adjusting well core rod 4's length, pins well core rod 4.
The disc 1 at the upper end of the base 11 is designed into a mechanism capable of sliding up and down, the sliding principle is that a plurality of mutually crossed rotating rods 18 are rotatably connected below the radian surface 2, the crossed rotating rods 18 are also rotatably connected, the rotating rod 18 at the bottom end is fixed on a cross beam 19, a sliding rail 20 is designed on the cross beam 19, one rotating rod 18 at the bottom end is rotatably connected, and the other rotating rod can slide in the sliding rail 20 while rotating.
The bracing piece 7 rotates through the pivot to be connected on well ring 5 and last ring 6, when folding this device, opens hasp 17, will go up ring 6 and push down, push down well ring 5 again, push down disc 1 again for the bull stick 18 begins to rotate foldingly, thereby receive and release this device in under casing 11, and drain pipe 13 can not touch under casing 11 bottom when accomodating.
When the disk is opened, the disk 1 is pulled upwards, the rotating rod 18 at the lowest end moves on the sliding rail 20 under the pulling of manpower, so that the rotating rods 18 rotate upwards, the disk 1 is pulled out of the base, and then the positions of the upper ring 6 and the middle ring 5 are adjusted.
The shoes on the upper ring 6 and the middle ring 5 are lighter and will not shrink the rotating rod 18 due to gravity, and the sliding rail 20 can move by proper friction.
From the above calculations, the most suitable values are obtained as:
the diameter of the upper ring is 15.8cm, the diameter of the middle ring is 25cm, the diameter of the disc is 26cm, the length of a central rod at the upper ring is 3cm, the length of a central rod between the upper ring and the middle ring is 29cm, the length of a central rod between the base and the middle ring is 51.776cm, the height of the supporting rod is 7cm, the height of the arc-shaped convex block is 1cm, the edge thickness of the radian surface is 1cm, the diameter of the central rod is 1cm, and the diameter of the pull rope is 0.1 cm.
Compared with the prior art, the utility model, following technological effect has:
the shoe rack should satisfy basic principles such as functionality, hommization, high efficiency, practicality, because the shoe rack that dries in the air is the environmental particularity of using in the bedroom, should pay attention to following several kinds of principles more in the design.
Firstly, small and exquisite be convenient for accomodate. The balcony area of bedroom is limited and for public area, so adopt the extensible pole in the design, promptly can flexible well pole, can not occupy great area in balcony corner department when idle, a plurality of crisscross bull sticks promptly.
Secondly, the utility model has better airing capacity. According to the results of questionnaire survey, the number of shoes brushed per time is concentrated on 2-3 pairs per bedroom unit, and 80% of shoes aired at one time in the bedroom are not more than 6 pairs. The shoe rack designed at this time can accommodate 5 pairs of shoes, and can meet most requirements of students. And other articles can be aired when the clothes hanger is not used.
Thirdly, the practicality, the high efficiency of sunning. According to the questionnaire, most students are not satisfied with the problems of poor air-drying and ventilation at the corner of the wall and short sunshine time, and the dust in the air-drying area is large and easy to lose. Therefore, in the design, the shoes are aired on the rotatable disc and are vertical to the ground, so that the airing efficiency is improved, and the air circulation is realized. And can accomplish the shoes sunning in the bedroom, avoid the dust and lose.
And fourthly, the application range is wide. The shoe airing rack designed at this time takes the 95 th percentile of the foot width of the male aged 18-25 years old in GB10000-88 Chinese adult human body size as the design basis so as to ensure that the airing requirement of most bedrooms can be met.

Claims (10)

1. Indoor shoe rack that dries in air of student bedroom, a serial communication port, including disc (1), disc (1) up end is undercut radian face (2), install base (3) on radian face (2), be connected with well core rod (4) that can stretch out and draw back on base (3), from the bottom up is equipped with well ring (5) and last ring (6) that can rotate in proper order on well core rod (4), the diameter of well ring (5) is greater than the diameter of last ring (6), the diameter of radian face (2) is greater than the diameter of well ring (5), be equipped with a plurality of bracing pieces (7) that are the circumference equipartition on well ring (5) and last ring (6).
2. The indoor shoe airing rack for the student bedroom according to claim 1, wherein the upper end of the support rod (7) and the top end of the central rod (4) are sleeved with arc-shaped protruding blocks (8) which are detachably installed.
3. The indoor shoe airing rack for the student bedroom according to claim 1, wherein the upper end of the support rod (7) and the top end of the central rod (4) are sleeved with a U-shaped shoe support (9) in a detachable mode.
4. The shoe airing rack in a student bedroom as claimed in claim 1, wherein the heights of the plurality of support rods (7) are different.
5. The indoor shoe airing rack for student dormitories according to claim 2, characterized in that a plurality of pulling ropes (10) connected to the central rod (4) are transversely fixed in the middle ring (5) and the upper ring (6).
6. The indoor shoe airing rack for the student bedroom according to claim 1, wherein a bottom box (11) with a cavity inside is installed below the disc (1), a plurality of drain holes (12) which are uniformly distributed circumferentially are formed in the joint of the base (3) and the arc surface (2), the drain holes (12) are communicated into the bottom box (11) through drain pipes (13) arranged in the base (3), water receiving basins (14) arranged at the bottom of the bottom box (11) are placed below the drain pipes (13), a rotating door (15) is installed on the side wall of the bottom box (11), and a handle (16) is installed on the rotating door (15).
7. The shoe airing rack in the student bedroom as claimed in claim 1, wherein the central rod (4) is two telescopic rods, and the central rod (4) is provided with a lock catch (17).
8. The indoor shoe airing rack for the student bedroom according to claim 6, wherein the disc (1) is connected in the bottom box (11) in a sliding mode, a plurality of mutually crossed rotating rods (18) are connected to the lower portion of the disc (1) in a rotating mode, the plurality of crossed rotating rods (18) are connected in a rotating mode, a cross beam (19) arranged between the side walls of the bottom box (11) is fixed to the bottom end of each rotating rod (18), a sliding rail (20) is arranged in each cross beam (19), and the rotating rod (18) at one bottom end is installed in the sliding rail (20) in a sliding mode.
9. The shoe airing rack in the student bedroom as claimed in claim 1, wherein the support rod (7) is rotatably connected to the middle ring (5) and the upper ring (6) through a rotating shaft.
10. The indoor shoe airing rack for student dormitories according to claim 5, characterized in that the diameter of the upper ring (6) is 15.8cm, the diameter of the middle ring (5) is 25cm, the diameter of the disc (1) is 26cm, the length of the central rod at the upper ring (6) is 3cm, the length of the central rod between the upper ring (6) and the middle ring (5) is 29cm, the length of the central rod between the base (3) and the middle ring (5) is 51.776cm, the height of the support rod (7) is 7cm, the height of the arc-shaped bulge (8) is 1cm, the edge thickness of the disc (1) is 1cm, the diameter of the central rod (4) is 1cm, and the diameter of the pull rope (10) is 0.1 cm.
CN201922455097.6U 2019-12-31 2019-12-31 Indoor shoe drying rack for student dormitory Expired - Fee Related CN211130589U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922455097.6U CN211130589U (en) 2019-12-31 2019-12-31 Indoor shoe drying rack for student dormitory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922455097.6U CN211130589U (en) 2019-12-31 2019-12-31 Indoor shoe drying rack for student dormitory

Publications (1)

Publication Number Publication Date
CN211130589U true CN211130589U (en) 2020-07-31

Family

ID=71749016

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922455097.6U Expired - Fee Related CN211130589U (en) 2019-12-31 2019-12-31 Indoor shoe drying rack for student dormitory

Country Status (1)

Country Link
CN (1) CN211130589U (en)

Similar Documents

Publication Publication Date Title
AU2011361581A1 (en) A clothes drying apparatus
CN211130589U (en) Indoor shoe drying rack for student dormitory
CN205612234U (en) Rotatable multifunctional umbrella frame
CN205368801U (en) Sunning frame with drip proof device
CN202562219U (en) Louvered rainproof airing rack
CN209574273U (en) A kind of office has the umbrella placement bucket of drying function
CN207383845U (en) A kind of folding table
CN202519486U (en) Public clotheshorse
CN211420642U (en) Shoe airing rack outside student bedroom window
CN210766035U (en) Telescopic airing frame for chair back
CN211862488U (en) Shaft connection supporting foot stand and hat and coat stand
CN203676772U (en) Shoe air-drying device
CN111920362A (en) Multifunctional household shoe box convenient for accommodating shoes
CN110656475A (en) Telescopic clothes hanger
CN206616386U (en) Ceiling type clothes hanger
CN205907768U (en) Draining rack basin
CN211036470U (en) Windowsill clothes hanger
CN210249031U (en) Multifunctional shoe cabinet
CN204766455U (en) Take steam bath canopy that interlayer can scale
CN211006049U (en) Telescopic clothes hanger
CN203960609U (en) A kind of collapsible three-dimensional umbrella formula clothes hanger
CN218115911U (en) Multifunctional top-to-bottom clothes hanger
CN108402701A (en) A kind of intelligent telescopic wardrobe
CN210540602U (en) Space-saving hat and coat stand
CN218436297U (en) Portable clothes hanger support

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200731

Termination date: 20201231