CN105708210B - Footrest rack - Google Patents
Footrest rack Download PDFInfo
- Publication number
- CN105708210B CN105708210B CN201610185062.3A CN201610185062A CN105708210B CN 105708210 B CN105708210 B CN 105708210B CN 201610185062 A CN201610185062 A CN 201610185062A CN 105708210 B CN105708210 B CN 105708210B
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- Prior art keywords
- connecting rod
- extensible member
- mounting plate
- toe board
- hinged
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- 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.)
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- 238000009434 installation Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs
- A47C7/506—Supports for the feet or the legs of adjustable type
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Ladders (AREA)
Abstract
The present invention relates to a kind of office appliance more particularly to a kind of swivel chair footrest racks.Footrest rack, including mounting plate, toe board and telescopic component for being connected mounting plate and toe board, telescopic component includes scissor type telescopic structure and connecting rod, scissor type telescopic structure is made of the first extensible member being hinged and the second extensible member, connecting rod includes first connecting rod and second connecting rod, wherein one end of first connecting rod and one end of the first extensible member hingedly form the first telescopic component, one end of second connecting rod and one end of the second extensible member hingedly form the second telescopic component, one end of first telescopic component is hinged on a position of mounting plate, the other end is hinged on a position of toe board, one end of second telescopic component is hinged on another position of toe board, the other end is hinged on another position of mounting plate.The advantages that present invention is able to achieve optimal gathering and folding effect, and structure is simple, easy for installation, supporting & stablizing, laborsaving.
Description
Technical field
The present invention relates to a kind of office appliance more particularly to a kind of swivel chair footrest racks.
Technical background
Swivel chair is one of furniture indispensable in office, and in the prolonged working time, the most of the time is all people
It is sitting in and handles official business on chair, be seated easily lead to physical fatigue for a long time, and relieving fatigue is most directly exactly to bend over the desk to rest,
The posture for bending over the desk to rest has certain injury to cervical vertebra and lumbar vertebrae etc., so will seriously affect the body of human body for a long time.So lying
Rest is just at the first choice of people, but when lying on swivel chair on swivel chair, the foot of people is but without the progress of suitable position
It places, so that it is not very comfortable that people, which lie on chair,.
Authorize publication number CN204410211U disclosed in a kind of swivel chair toe board, including swivel chair mounting plate, toe board ontology,
Positive connection component and Opposite direction connection component；Swivel chair mounting plate is equipped with Opposite direction connection portion and positive interconnecting piece, toe board ontology
It is equipped with reversed leg rest interconnecting piece and positive leg rest interconnecting piece, positive connection component includes positive installation connecting shaft, positive installation
Connector, positive installation connecting rod and positive leg rest connecting shaft, reversed mounting assembly include reversed installation connecting shaft, reversed installation
Connecting rod, reversed installation connecting element and reversed leg rest connecting shaft.
Although realizing the function of leg rest on certain condition, folds and tucked way cannot achieve control, roll over
Folded and expansion effect is bad.
Summary of the invention
In view of the above-mentioned problems, now providing one kind can voluntarily stability contorting fold and unfold, and more stable reality
The footrest rack of existing leg rest function.
To achieve the goals above, technical scheme is as follows:
Footrest rack, including mounting plate, toe board and telescopic component for being connected mounting plate and toe board, described flexible group
Part includes scissor type telescopic structure and connecting rod, and scissor type telescopic structure is by the first extensible member and the second pars contractilis that are hinged
Part composition, the connecting rod includes first connecting rod and second connecting rod, wherein one end of one end of first connecting rod and the first extensible member
Hinged to form the first telescopic component, one end of second connecting rod and one end of the second extensible member hingedly form the second telescopic component,
One end of first telescopic component is hinged on a position of the mounting plate, and the other end is hinged on a position of toe board
On, one end of the second telescopic component is hinged on another position of the toe board, and the other end is hinged on the another of mounting plate
On a position.
Accordingly, above-mentioned footrest rack realizes expansion and gathering due to the scissor type telescopic structure in its telescopic component, wherein
Scissor type telescopic structure is made of the first extensible member being hinged and the second extensible member, meanwhile, one end of first connecting rod
The first telescopic component, one end hinge of one end of second connecting rod and the second extensible member are hingedly formed with one end of the first extensible member
It connects to form the second telescopic component, so that expansion and gathering process are more stable between toe board and mounting plate, so that various components
Between movement relation it is more stable.
The outer setting of first extensible member as a preferred embodiment of the above solution, the inner setting of the second extensible member, cuts described
In the telescopic process of V shape stretching structure, when the first extensible member pressure is on second extensible member, limit knot is formed
Structure, the retracted position of footrest rack is limit unfolded state at this time.Accordingly, when footrest rack is in limit unfolded state, people will
Foot is shelved on toe board, and since the first extensible member pressure is on second extensible member, the second extensible member is played pair
The limitation that first extensible member moves downward, to support foot.
The sum of length b of toe board wheelbase a and first connecting rod is greater than the positioned at toe board as a preferred embodiment of the above solution,
Articulated shaft distance c of the installation axle of two extensible members to first extensible member and first connecting rod；Due to a+b > c, work as position
It is lucky at a distance from the articulated shaft of first connecting rod to first extensible member in the installation axle of the second extensible member of toe board
When reaching maximum value, the retracted position of footrest rack is the gathering initial state of toe board at this time；If from the gathering initial state
Start, apply the power for collapsing direction to toe board: when force value is equal to threshold value, c becomes c ', c ' > c under that force, and goes out
The critical condition of existing a+b=c '；When force value is greater than threshold value, the critical condition of a+b=c ' is broken, and c becomes under that force
C ", c≤c " < c ', the retracted position of footrest rack is that the gathering of toe board terminates state at this time.
The sum of length e of mounting plate wheelbase d and second connecting rod is greater than the positioned at mounting plate as a preferred embodiment of the above solution,
Articulated shaft distance f of the installation axle of one extensible member to second extensible member-and second connecting rod；Due to d+e > f, when
Installation axle positioned at the first extensible member of mounting plate is proper at a distance from the articulated shaft of second connecting rod to second extensible member
When reaching maximum value well, the retracted position of footrest rack is the gathering initial state of mounting plate at this time；If originating shape from the gathering
State starts, and applies the power for collapsing direction to mounting plate: when force value is equal to threshold value, f becomes f ', f ' > f under that force, and
There is the critical condition of d+e=f '；When force value is greater than threshold value, the critical condition of d+e=f ' is broken, and f becomes under that force
For f ", f≤f " < f ', the retracted position of footrest rack is that the gathering of mounting plate terminates state at this time.
Accordingly, people can apply the power in gathering direction to toe board and mounting plate to carry out the further receipts to footrest rack
Hold together, when force value is greater than threshold value, it can be achieved that the gathering of toe board and mounting plate terminates state, realizes optimal gathering form.
The hinged shaft of first extensible member and the second extensible member as a preferred embodiment of the above solution, away from link joint feature away from
From for X, the distance away from mounting plate interconnecting piece or toe board interconnecting piece is Y, then Y > 3X.Accordingly, due to Y > 3X, such footrest rack
When being stretched, it can be unfolded and be collapsed using lesser strength, adapt to the application of more crowds.
First extensible member is annular component as a preferred embodiment of the above solution, and one end passes through an axle sleeve and described the
One connecting rod is hinged, and the other end is hinged on the two sides of mounting plate one end；Second extensible member is by an i-shape component and a ring
Shape interconnecting piece is formed by connecting, and the one end in the loop connecting portion is hinged by an axle sleeve and the second connecting rod, other end connection
In one end of the i-shape component, the other end of the i-shape component is hinged on the two sides of toe board one end.
Direction is collapsed towards toe board at toe board interconnecting piece on the i-shape component as a preferred embodiment of the above solution,
Equipped with bending protrusion.
The first connecting rod is hinged on the middle part of the toe board ontology, institute by an axis as a preferred embodiment of the above solution,
State the front center that second connecting rod is hinged on the mounting plate by an axis.
Multiple installation bolts hole are respectively equipped on the mounting plate and toe board ontology as a preferred embodiment of the above solution, are put
Foot pad is mounted on the toe board by bolt.
The present invention have the utility model has the advantages that
1, footrest rack due to the scissor type telescopic structure in its telescopic component realizes expansion and gathering in the present invention,
In, scissor type telescopic structure is made of the first extensible member being hinged and the second extensible member, meanwhile, the one of first connecting rod
End and one end of the first extensible member hingedly form the first telescopic component, one end of one end of second connecting rod and the second extensible member
It is hinged to form the second telescopic component, so that expansion and gathering process are more stable between toe board and mounting plate, so that each group
Movement relation between part is more stable；
2, in the present invention in the telescopic process of the scissor type telescopic structure, when the first extensible member pressure is described the
When on two extensible members, position limiting structure is formed, the support to foot is realized；
3, in the present invention people toe board and mounting plate can be applied collapse the power in direction carry out to footrest rack into
One step collapses, and when force value is greater than threshold value, it can be achieved that the gathering of toe board and mounting plate terminates state, realizes optimal gathering shape
State.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the swivel chair with footrest rack；
Fig. 2 is footrest rack unfolded state schematic diagram；
Fig. 3 is footrest rack limit unfolded state schematic diagram；
Fig. 4 is footrest rack rounding state schematic diagram；
Fig. 5 is that footrest rack collapses end state principle figure；
Fig. 6 is the perspective view of footrest rack；
Fig. 7 is the bottom view of footrest rack；
Fig. 8 is the top view of footrest rack；
In figure, 1- mounting plate, 2- telescopic component, 21- scissor type telescopic structure, 21-1, the first extensible member, 21-2-
Two extensible members, 21-2-1- loop connecting portion, 21-2-2- i-shape component, 22- connecting rod, 22-1- first connecting rod, 22-2-
Two connecting rods, 3- toe board.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Embodiment in the present invention, ordinary skill
Personnel's all other embodiment obtained under the premise of not doing creative work, shall fall within the protection scope of the present invention.
With embodiment, the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1: as shown in Fig. 2, footrest rack, including mounting plate 1, toe board 3 and for being connected mounting plate and toe board
Telescopic component 2, telescopic component 2 include scissor type telescopic structure 21 and connecting rod 22, scissor type telescopic structure 21 is by being hinged
The first extensible member 21-1 and the second extensible member 21-2 composition, connecting rod 22 include first connecting rod 22-1 and second connecting rod 22-
2, wherein one end of first connecting rod 22-1 and one end of the first extensible member 21-1 hingedly form the first telescopic component, second connecting rod
One end of 22-2 and one end of the second extensible member 21-2 hingedly form the second telescopic component, and one end of the first telescopic component is hinged
On a position of mounting plate 1, the other end is hinged on a position of toe board 3, and one end of the second telescopic component is hinged
On another position of toe board 3, the other end is hinged on another position of mounting plate 1.
As shown in Fig. 3, Fig. 7 and Fig. 8, the first outer setting of extensible member 21-1, the second inner setting of extensible member 21-2,
In the telescopic process of scissor type telescopic structure 21, when the first extensible member 21-1 pressure is on the second extensible member 21-2,
Position limiting structure is formed, the retracted position of footrest rack is limit unfolded state at this time.
As shown in Figure 4 and Figure 5, first connecting rod (22-1) and toe board (3) hinged hinge shaft axis to the second extensible member
Linear distance between the hinged hinge shaft axis of (21-2) and toe board (3) is toe board wheelbase a, toe board wheelbase a and first
The sum of length b of connecting rod 22-1 is greater than the installation axle of the second extensible member 21-2 positioned at toe board to the first extensible member 21-1
With the articulated shaft distance c of first connecting rod 22-1；Due to a+b > c, when the installation for the second extensible member 21-2 for being located at toe board
When axis reaches maximum value to the first extensible member 21-1 just at a distance from the articulated shaft of first connecting rod 22-1, footrest rack at this time
Retracted position is the gathering initial state of toe board；If applying the power for collapsing direction to toe board since collapsing initial state:
When force value is equal to threshold value, c becomes c ', c ' > c under that force, and the critical condition of a+b=c ' occurs；When force value is greater than
When threshold value, the critical condition of a+b=c ' is broken, c becomes c ", c≤c " < c ' under that force, and footrest rack is stretched at this time
Contracting state is that the gathering of toe board terminates state.
As shown in Figure 4 and Figure 5, second connecting rod (22-2) and mounting plate (1) hinged hinge shaft axis to the first extensible member
Linear distance between the hinged hinge shaft axis of (21-1) and mounting plate (1) is mounting plate wheelbase d, mounting plate wheelbase d and second
The sum of length e of connecting rod 22-2 is greater than the installation axle of the first extensible member 21-1 positioned at mounting plate to the second extensible member 21-2
With the articulated shaft distance f of second connecting rod 22-2；Due to d+e > f, when the installation for the first extensible member 21-1 for being located at mounting plate
When axis reaches maximum value to the second extensible member 21-2 just at a distance from the articulated shaft of second connecting rod 22-2, footrest rack at this time
Retracted position is the gathering initial state of mounting plate；If applying the power for collapsing direction to mounting plate since collapsing initial state:
When force value is equal to threshold value, f becomes f ', f ' > f under that force, and the critical condition of d+e=f ' occurs；When force value is greater than
When threshold value, the critical condition of d+e=f ' is broken, f becomes f ", f≤f " < f ' under that force, and footrest rack is stretched at this time
Contracting state is that the gathering of mounting plate terminates state.
As shown in figure 3, the hinged shaft of the first extensible member 21-1 and the second extensible member 21-2, the distance away from link joint feature
For X, the distance away from 3 interconnecting piece of 1 interconnecting piece of mounting plate or toe board is Y, then Y > 3X.
As shown in fig. 6, the first extensible member 21-1 is annular component, one end is cut with scissors by an axle sleeve and first connecting rod 22-1
It connects, the other end is hinged on the two sides of 1 one end of mounting plate；Second extensible member 21-2 is cyclic annular by an i-shape component 21-2-1 and one
Interconnecting piece 21-2-2 is formed by connecting, and one end of loop connecting portion 21-2-2 is hinged by an axle sleeve and second connecting rod 22-2, another
End is connected to one end of i-shape component, and the other end of i-shape component 21-2-1 is hinged on the two sides of 3 one end of toe board.
As shown in Fig. 6, Fig. 7 and Fig. 8, collapsed at 3 interconnecting piece of toe board towards toe board on i-shape component 21-2-1
Direction is equipped with bending protrusion 21-2-1-1.
As shown in Figure 6 and Figure 7, first connecting rod is hinged on the middle part of 3 ontology of toe board by an axis, and second connecting rod passes through one
Axis is hinged on the front center of mounting plate 1.
With reference to Fig. 1, multiple installation bolts hole are respectively equipped on 3 ontology of mounting plate 1 and toe board, foot-rest is pacified by bolt
On toe board 3.
Embodiments of the present invention are described in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned realities
It applies mode, in the knowledge having belonging to one skilled in the relevant art, present inventive concept can also not departed from
Under the premise of various changes can be made.
Claims (6)
1. footrest rack, including mounting plate (1), toe board (3) and telescopic component (2) for being connected mounting plate and toe board,
Be characterized in that: the telescopic component (2) includes scissor type telescopic structure (21) and connecting rod (22), scissor type telescopic structure (21) by
The first extensible member (21-1) and the second extensible member (21-2) composition being hinged, the connecting rod (22) includes first connecting rod
(22-1) and second connecting rod (22-2), wherein one end of first connecting rod (22-1) and one end of the first extensible member (21-1) are hinged
The first telescopic component is formed, one end of second connecting rod (22-2) and one end of the second extensible member (21-2) hingedly form second and stretch
Contracting component, one end of the first telescopic component are hinged on a position of the mounting plate (1), and the other end is hinged on toe board
(3) on a position, one end of the second telescopic component is hinged on another position of the toe board (3), other end hinge
It connects on another position of mounting plate (1)；The sum of toe board wheelbase a and the length b of first connecting rod (22-1), which are greater than to be located at, to be put
Hinge of the installation axle of the second extensible member (21-2) of sole to first extensible member (21-1) and first connecting rod (22-1)
The distance c of spindle；Due to a+b > c, when the installation axle for the second extensible member (21-2) for being located at toe board is flexible to described first
When component (21-1) reaches maximum value at a distance from the articulated shaft of first connecting rod (22-1) just, the retracted position of footrest rack at this time
For the gathering initial state of toe board；If applying the power for collapsing direction to toe board since the gathering initial state: working as power
When value is equal to threshold value, c becomes c ', c ' > c under that force, and the critical condition of a+b=c ' occurs；When force value is greater than threshold value
When, the critical condition of a+b=c ' is broken, and c becomes c ", c≤c " < c ' under that force, at this time the scale shape of footrest rack
State is that the gathering of toe board terminates state；The sum of length (e) of mounting plate wheelbase d and second connecting rod (22-2), which is greater than, is located at installation
The installation axle of the first extensible member (21-1) of plate is hinged to second extensible member (21-2) and second connecting rod (22-2)
The distance f of axis；Due to d+e > f, when the installation axle for the first extensible member (21-1) for being located at mounting plate is to second pars contractilis
When part (21-2) reaches maximum value at a distance from the articulated shaft of second connecting rod (22-2) just, the retracted position of footrest rack is at this time
The gathering initial state of mounting plate；If applying the power for collapsing direction to mounting plate since the gathering initial state: working as force value
When equal to threshold value, f becomes f ', f ' > f under that force, and the critical condition of d+e=f ' occurs；When force value is greater than threshold value,
The critical condition of d+e=f ' is broken, and f becomes f ", f≤f " < f ' under that force, and the retracted position of footrest rack is at this time
The gathering of mounting plate terminates state.
2. footrest rack according to claim 1, it is characterised in that: the first extensible member (21-1) outer setting, second stretches
Contracting component (21-2) inner setting, in the telescopic process of the scissor type telescopic structure (21), as the first extensible member (21-
1) pressure forms position limiting structure when on second extensible member (21-2), and the retracted position of footrest rack is limit exhibition at this time
Open state.
3. footrest rack according to claim 1, it is characterised in that: the first extensible member (21-1) and the second extensible member
The hinged shaft of (21-2), the distance away from link joint feature are X, and the distance away from mounting plate (1) interconnecting piece or toe board (3) interconnecting piece is
Y, then Y > 3X.
4. footrest rack according to claim 1, it is characterised in that: first extensible member (21-1) is annular component,
One end passes through an axle sleeve and the first connecting rod (22-1) hingedly, and the other end is hinged on mounting plate (1) one end by installation axle
Two sides；Second extensible member (21-2) by an i-shape component (21-2-1) and a loop connecting portion (21-2-2) connection and
At one end of the loop connecting portion (21-2-2) passes through an axle sleeve and the second connecting rod (22-2) hingedly, other end connection
In one end of the i-shape component, the other end of the i-shape component (21-2-1) is hinged on the two of toe board (3) one end
Side.
5. footrest rack according to claim 4, it is characterised in that: the i-shape component (21-2-1) is close to toe board
(3) direction is collapsed towards toe board at interconnecting piece be equipped with bending protrusion (21-2-1-1).
6. footrest rack according to claim 1, it is characterised in that: the first connecting rod is hinged on the leg rest by an axis
The middle part of plate (3) ontology, the second connecting rod are hinged on the front center of the mounting plate (1) by an axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185062.3A CN105708210B (en) | 2016-03-29 | 2016-03-29 | Footrest rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185062.3A CN105708210B (en) | 2016-03-29 | 2016-03-29 | Footrest rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105708210A CN105708210A (en) | 2016-06-29 |
| CN105708210B true CN105708210B (en) | 2019-01-18 |
Family
ID=56158481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610185062.3A Active CN105708210B (en) | 2016-03-29 | 2016-03-29 | Footrest rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105708210B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201165277Y (en) * | 2007-12-28 | 2008-12-17 | 李榕炘 | Dune buggy footrest |
| CN204410211U (en) * | 2015-02-09 | 2015-06-24 | 钟诚 | Swivel chair toe board |
| CN105231707A (en) * | 2015-09-25 | 2016-01-13 | 东莞致诚办公家具有限公司 | Chair with foot rest |
| CN105326253B (en) * | 2015-12-09 | 2018-06-29 | 丁亮 | A kind of collapsible foot rest device |
| CN105342193B (en) * | 2015-12-09 | 2018-06-15 | 丁亮 | A kind of foldable foot rest device |
-
2016
- 2016-03-29 CN CN201610185062.3A patent/CN105708210B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105708210A (en) | 2016-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181203 Address after: 313000 Science and Technology Venture Center of Bamboo Industry in Anji County, Huzhou City, Zhejiang Province (Xiaofeng Town) Applicant after: ZHEJIANG HUAXIA BAMBOO & WOOD PRODUCTS Co.,Ltd. Address before: 313300 Shangcheng Mansion, 75 Blocks, 3 Units, 505 Rooms, Changshuo Street, Anji County, Huzhou City, Zhejiang Province Applicant before: Chen Jinwen |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Footrest Effective date of registration: 20210319 Granted publication date: 20190118 Pledgee: Industrial Commercial Bank of China Ltd. Anji branch Pledgor: ZHEJIANG HUAXIA BAMBOO & WOOD PRODUCTS Co.,Ltd. Registration number: Y2021330000213 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231123 Granted publication date: 20190118 Pledgee: Industrial Commercial Bank of China Ltd. Anji branch Pledgor: ZHEJIANG HUAXIA BAMBOO & WOOD PRODUCTS Co.,Ltd. Registration number: Y2021330000213 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |