CN105708210A - Foot rest bracket - Google Patents
Foot rest bracket Download PDFInfo
- Publication number
- CN105708210A CN105708210A CN201610185062.3A CN201610185062A CN105708210A CN 105708210 A CN105708210 A CN 105708210A CN 201610185062 A CN201610185062 A CN 201610185062A CN 105708210 A CN105708210 A CN 105708210A
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- China
- Prior art keywords
- footrest
- extensible member
- connecting rod
- hinged
- installing plate
- 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.)
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- 238000009434 installation Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 208000012802 recumbency Diseases 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 coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Ladders (AREA)
Abstract
The invention relates to office supplies, in particular to a foot rest bracket of a revolving chair. The foot rest bracket comprises a mounting board, a foot rest and a telescopic assembly used for connecting the mounting board and the foot rest, wherein the telescopic assembly comprises a shear fork type telescopic structure and connecting rods, the shear fork type telescopic structure comprises a first telescopic part and a second telescopic part which are mutually hinged, and the connecting rods comprise a first connecting rod and a second connecting rod; one end of the first connecting rod and one end of the first telescopic part are hinged to form a first telescopic assembly, one end of the second connecting rod and one end of the second telescopic part are hinged to form a second telescopic assembly, one end of the first telescopic assembly is hinged to one position of the mounting board, the other end is hinged to one position of the foot rest, one end of the second telescopic assembly is hinged to another position of the foot rest, and the other end is hinged to another position of the mounting board. The foot rest bracket can realize the best retracting and folding effects, and has the advantages that the structure is simple, the mounting is convenient, the support is stable, the labor is saved and the like.
Description
Technical field
The present invention relates to a kind of office appliance, particularly relate to a kind of swivel chair footrest rack.
Technical background
Swivel chair is one of furniture indispensable in office, people are in the long working time, most of the time is all sitting on chair and handles official business, it is seated for a long time and easilys lead to physical fatigue, and relieving fatigue bends over the desk to have a rest the most exactly, cervical vertebra and lumbar vertebra etc. are had certain injury by the posture bending over the desk to have a rest, and so will have a strong impact on the health of human body for a long time.Just become the first-selection of people so recumbency swivel chair is had a rest, but when lying on swivel chair, the foot of people has not but had suitable position to place so that people have lain in and have been not as comfortable on chair.
Authorize the disclosed a kind of swivel chair footrest of publication number CN204410211U, connect assembly and Opposite direction connection assembly including swivel chair installing plate, footrest body, forward；Swivel chair installing plate is provided with Opposite direction connection portion and forward connecting portion, footrest body is provided with reverse leg rest connecting portion and forward leg rest connecting portion, forward connect assembly include forward install connect axle, forward installation connecting element, forward are installed connecting rod and forward leg rest and are connected axle, reverse mounting assembly include reversely installing connect axle, reversely install connecting rod, reverse installation connecting element and reversely leg rest connect axle.
Although achieving the function of leg rest on certain condition, but it folds and tucked way cannot realize controlling, and effect that is folding and that launch is bad.
Summary of the invention
For above-mentioned produced problem, now provide one can fold and launch by stability contorting voluntarily, and the more stable footrest rack realizing leg rest function.
To achieve these goals, technical scheme is as follows:
Footrest rack, including installing plate, footrest and for being connected the telescopic component of installing plate and footrest, described telescopic component includes scissor type telescopic structure and connecting rod, scissor type telescopic structure is made up of the first extensible member being hinged and the second extensible member, described connecting rod includes first connecting rod and second connecting rod, wherein hinged formation first telescopic component in one end of one end of first connecting rod and the first extensible member, hinged formation second telescopic component in one end of one end of second connecting rod and the second extensible member, one end of first telescopic component is hinged on a position of described installing plate, the other end is hinged on a position of footrest, one end of second telescopic component is hinged on another position of described footrest, the other end is hinged on another position of installing plate.
Accordingly, above-mentioned footrest rack realizes due to the scissor type telescopic structure in its telescopic component launching and drawing in, wherein, scissor type telescopic structure is made up of the first extensible member being hinged and the second extensible member, simultaneously, hinged formation first telescopic component in one end of one end of first connecting rod and the first extensible member, hinged formation second telescopic component in one end of one end of second connecting rod and the second extensible member, make expansion and gathering process between footrest and installing plate more stable so that the movement relation between each assembly is more stable.
Preferred as such scheme, the first outer setting of extensible member, the second inner setting of extensible member, in the telescopic process of described scissor type telescopic structure, when the first extensible member pressure is on described second extensible member, forming position limiting structure, now the retracted position of footrest rack is limit deployed condition.Accordingly, when footrest rack is in limit deployed condition, foot is shelved on footrest by people, and owing to the first extensible member pressure is on described second extensible member, the second extensible member plays the restriction that the first extensible member is moved downward, thus supporting foot.
Preferred as such scheme, the length b sum of footrest wheelbase a and first connecting rod more than be positioned at footrest the second extensible member the axle ultimate range c to described first extensible member Yu the jointed shaft of first connecting rod is installed；Due to a+b > c, when being positioned at the installation axle of the second extensible member of the footrest distance to described first extensible member Yu the jointed shaft of first connecting rod and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of footrest；If from described gathering initial state, footrest applies to draw in the power in direction: when force value is not less than threshold value, c becomes c ＇, c ＇ > c under that force, and the critical condition of a+b=c ＇ occurs；When force value is more than threshold value, the critical condition of a+b=c ＇ is broken, and c becomes c under that force ", c≤c " < c ＇, now the retracted position of footrest rack is the gathering done state of footrest.
Preferred as such scheme, the length e sum of installing plate wheelbase d and second connecting rod more than be positioned at installing plate the first extensible member the axle ultimate range f to described second extensible member-and the jointed shaft of second connecting rod is installed；Due to d+e > f, when being positioned at the installation axle of the first extensible member of the installing plate distance to described second extensible member Yu the jointed shaft of second connecting rod and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of installing plate；If from described gathering initial state, installing plate applies to draw in the power in direction: when force value is not less than threshold value, f becomes f ＇, f ＇ > c under that force, and the critical condition of d+e > f ＇ occurs；When force value is more than threshold value, the critical condition of d+e=f ＇ is broken, and f becomes f under that force ", f≤f " < f ＇, now the retracted position of footrest rack is the gathering done state of installing plate.
Accordingly, footrest and installing plate can be applied to draw in the power in direction and carry out the further gathering to footrest rack by people, when force value is more than threshold value, it may be achieved the gathering done state of footrest and installing plate, it is achieved best gathering form.
Preferred as such scheme, the hinge of the first extensible member and the second extensible member, the distance from link joint feature is X, and the distance from installing plate connecting portion or footrest connecting portion is Y, then Y > 3X.Accordingly, due to Y > 3X, when such footrest rack carries out flexible, use less strength just can be carried out launching and drawing in, adapted to the application of many crowds.
Preferred as such scheme, described first extensible member is annular component, and one end is hinged by an axle sleeve and described first connecting rod, and the other end is hinged on the both sides of installing plate one end；Described second extensible member is formed by connecting by an i-shape component and a loop connecting portion, the one end in described loop connecting portion is hinged by an axle sleeve and described second connecting rod, the other end is connected to one end of described i-shape component, and the other end of described i-shape component is hinged on the both sides of footrest one end.
Preferred as such scheme, described i-shape component draws direction near footrest connecting portion place in towards footrest and is provided with bending protuberance.
Preferred as such scheme, described first connecting rod is hinged on the middle part of described footrest body by an axle, and described second connecting rod is hinged on the front center of described installing plate by an axle.
Preferred as such scheme, described installing plate and be respectively equipped with multiple installation bolt hole on footrest body, described installing plate is fixedly installed on transfer by multiple bolts and sits that bottom crossing pad, and foot-rest is arranged on described footrest by bolt.
The present invention has beneficial effect:
1, in the present invention, footrest rack realizes due to the scissor type telescopic structure in its telescopic component launching and drawing in, wherein, scissor type telescopic structure is made up of the first extensible member being hinged and the second extensible member, simultaneously, hinged formation first telescopic component in one end of one end of first connecting rod and the first extensible member, hinged formation second telescopic component in one end of one end of second connecting rod and the second extensible member, make expansion and gathering process between footrest and installing plate more stable so that the movement relation between each assembly is more stable；
2, in the present invention in the telescopic process of described scissor type telescopic structure, when the first extensible member pressure is on described second extensible member, position limiting structure is formed, it is achieved that the support to foot；
3, in the present invention, the power of footrest and installing plate applying gathering direction can be carried out the further gathering to footrest rack by people, when force value is more than threshold value, it may be achieved the gathering done state of footrest and installing plate, it is achieved best gathering form.
Accompanying drawing explanation
Fig. 1 is the swivel chair structural representation with footrest rack；
Fig. 2 is footrest rack deployed condition schematic diagram；
Fig. 3 is footrest rack limit deployed condition schematic diagram；
Fig. 4 is footrest rack rounding state schematic diagram；
Fig. 5 is that footrest rack draws done state schematic diagram in；
Fig. 6 is the axonometric chart of footrest rack；
Fig. 7 is the upward view of footrest rack；
Fig. 8 is the top view of footrest rack；
In figure, 1-installing plate, 2-telescopic component, 21-scissor type telescopic structure, 21-1, the first extensible member, 21-2-the second extensible member, 21-2-1-loop connecting portion, 21-2-2-i-shape component, 22-connecting rod, 22-1-first connecting rod, 22-2-second connecting rod, 3-footrest.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not doing creative work premise, broadly fall into the scope of protection of the invention.
Below in conjunction with accompanying drawing, with embodiment, the present invention is described in detail.
Embodiment 1: as shown in Figure 2, footrest rack, including installing plate 1, footrest 3 and for being connected the telescopic component 2 of installing plate and footrest, telescopic component 2 includes scissor type telescopic structure 21 and connecting rod 22, scissor type telescopic structure 21 is made up of the first extensible member 21-1 being hinged and the second extensible member 21-2, connecting rod 22 includes first connecting rod 22-1 and second connecting rod 22-2, wherein hinged formation first telescopic component in one end of one end of first connecting rod 22-1 and the first extensible member 21-1, hinged formation second telescopic component in one end of one end of second connecting rod 22-2 and the second extensible member 21-2, one end of first telescopic component is hinged on a position of installing plate 1, the other end is hinged on a position of footrest 3, one end of second telescopic component is hinged on another position of footrest 3, the other end is hinged on another position of installing 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, forming position limiting structure, now the retracted position of footrest rack is limit deployed condition.
As shown in Figure 4 and Figure 5, first connecting rod (22-1) and the hinged hinge shaft axis of footrest (3) are footrest wheelbase a to the air line distance between the hinged hinge shaft axis of the second extensible member (21-2) and footrest (3), the length b sum of footrest wheelbase a and first connecting rod 22-1 more than be positioned at footrest the second extensible member 21-2 the axle ultimate range c to the first extensible member 21-1 Yu the jointed shaft of first connecting rod 22-1 is installed；Due to a+b > c, when being positioned at the installation axle of the second extensible member 21-2 of the footrest distance to the first extensible member 21-1 Yu the jointed shaft of first connecting rod 22-1 and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of footrest；If from drawing initial state in, footrest applies to draw in the power in direction: when force value is not less than threshold value, c becomes c ＇, c ＇ > c under that force, and the critical condition of a+b=c ＇ occurs；When force value is more than threshold value, the critical condition of a+b=c ＇ is broken, and c becomes c under that force ", c≤c " < c ＇, now the retracted position of footrest rack is the gathering done state of footrest.
As shown in Figure 4 and Figure 5, second connecting rod (22-2) and the hinged hinge shaft axis of installing plate (1) are installing plate wheelbase d to the air line distance between the hinged hinge shaft axis of the first extensible member (21-1) and installing plate (1), the length e sum of installing plate wheelbase d and second connecting rod 22-2 more than be positioned at installing plate the first extensible member 21-1 the axle ultimate range f to the second extensible member 21-2 Yu the jointed shaft of second connecting rod 22-2 is installed；Due to d+e > f, when being positioned at the installation axle of the first extensible member 21-1 of the installing plate distance to the second extensible member 21-2 Yu the jointed shaft of second connecting rod 22-2 and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of installing plate；If from drawing initial state in, installing plate applies to draw in the power in direction: when force value is not less than threshold value, f becomes f ＇, f ＇ > c under that force, and the critical condition of d+e > f ＇ occurs；When force value is more than threshold value, the critical condition of d+e=f ＇ is broken, and f becomes f under that force ", f≤f " < f ＇, now the retracted position of footrest rack is the gathering done state of installing plate.
As it is shown on figure 3, the hinge of the first extensible member 21-1 and the second extensible member 21-2, the distance from link joint feature is X, and the distance from installing plate 1 connecting portion or footrest 3 connecting portion is Y, then Y > 3X.
As shown in Figure 6, the first extensible member 21-1 is annular component, and one end is hinged with first connecting rod 22-1 by an axle sleeve, and the other end is hinged on the both sides of installing plate 1 one end；Second extensible member 21-2 is formed by connecting by an i-shape component 21-2-1 and a loop connecting portion 21-2-2, one end of loop connecting portion 21-2-2 is hinged with second connecting rod 22-2 by an axle sleeve, the other 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 both sides of footrest 3 one end.
As shown in Fig. 6, Fig. 7 and Fig. 8, i-shape component 21-2-1 draws direction near footrest 3 connecting portion place in towards footrest and is provided with bending protuberance 21-2-1-1.
As shown in Figure 6 and Figure 7, first connecting rod is hinged on the middle part of footrest 3 body by an axle, and second connecting rod is hinged on the front center of installing plate 1 by an axle.
With reference to Fig. 1, installing plate 1 and be respectively equipped with multiple installation bolt hole on footrest 3 body, installing plate 1 is fixedly installed on transfer seat by multiple bolts, and that crosses the bottom of pad, and foot-rest is arranged on footrest 3 by bolt.
Above in conjunction with accompanying drawing, embodiments of the present invention are described in detail, but the present invention is not limited to above-mentioned embodiment, in the ken possessed belonging to one skilled in the relevant art, it is also possible to make various change under the premise without departing from present inventive concept.
Claims (9)
1. footrest rack, including installing plate (1), footrest (3) and for being connected the telescopic component (2) of installing plate and footrest, it is characterized in that: described telescopic component (2) includes scissor type telescopic structure (21) and connecting rod (22), scissor type telescopic structure (21) is made up of the first extensible member (21-1) being hinged and the second extensible member (21-2), described connecting rod (22) includes first connecting rod (22-1) and second connecting rod (22-2), wherein hinged formation first telescopic component in one end of one end of first connecting rod (22-1) and the first extensible member (21-1), hinged formation second telescopic component in one end of one end of second connecting rod (22-2) and the second extensible member (21-2), one end of first telescopic component is hinged on a position of described installing plate (1), the other end is hinged on a position of footrest (3), one end of second telescopic component is hinged on another position of described footrest (3), the other end is hinged on another position of installing plate (1).
2. footrest rack according to claim 1, it is characterized in that: the first extensible member (21-1) outer setting, second extensible member (21-2) inner setting, in the telescopic process of described scissor type telescopic structure (21), when the first extensible member (21-1) pressure is when described second extensible member (21-2) is upper, forming position limiting structure, now the retracted position of footrest rack is limit deployed condition.
3. footrest rack according to claim 1, it is characterised in that: length (b) sum of footrest wheelbase (a) and first connecting rod (22-1) is more than being positioned at the installation axle of the second extensible member (21-2) of footrest to the ultimate range (c) of described first extensible member (21-1) Yu the jointed shaft of first connecting rod (22-1)；Due to a+b > c, when being positioned at the installation axle of the second extensible member (21-2) of the footrest distance to described first extensible member (21-1) Yu the jointed shaft of first connecting rod (22-1) and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of footrest；If from described gathering initial state, footrest applies to draw in the power in direction: when force value is not less than threshold value, c becomes c ＇, c ＇ > c under that force, and the critical condition of a+b=c ＇ occurs；When force value is more than threshold value, the critical condition of a+b=c ＇ is broken, and c becomes c under that force ", c≤c " < c ＇, now the retracted position of footrest rack is the gathering done state of footrest.
4. footrest rack according to claim 1, it is characterised in that: length (e) sum of installing plate wheelbase (d) and second connecting rod (22-2) is more than being positioned at the installation axle of the first extensible member (21-1) of installing plate to the ultimate range (f) of described second extensible member (21-2) Yu the jointed shaft of second connecting rod (22-2)；Due to d+e > f, when being positioned at the installation axle of the first extensible member (21-1) of the installing plate distance to described second extensible member (21-2) Yu the jointed shaft of second connecting rod (22-2) and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of installing plate；If from described gathering initial state, installing plate applies to draw in the power in direction: when force value is not less than threshold value, f becomes f ＇, f ＇ > c under that force, and the critical condition of d+e > f ＇ occurs；When force value is more than threshold value, the critical condition of d+e=f ＇ is broken, and f becomes f under that force ", f≤f " < f ＇, now the retracted position of footrest rack is the gathering done state of installing plate.
5. footrest rack according to claim 1, it is characterized in that: the hinge of the first extensible member (21-1) and the second extensible member (21-2), distance from link joint feature is X, distance from installing plate (1) connecting portion or footrest (3) connecting portion is Y, then Y > 3X.
6. footrest rack according to claim 1, it is characterised in that: described first extensible member (21-1) is annular component, and one end is hinged by an axle sleeve and described first connecting rod (22-1), and the other end is hinged on the both sides of installing plate (1) one end by installing axle；Described second extensible member (21-2) is formed by connecting by an i-shape component (21-2-1) and a loop connecting portion (21-2-2), one end of described loop connecting portion (21-2-2) is hinged by an axle sleeve and described second connecting rod (22-2), the other end is connected to one end of described i-shape component, and the other end of described i-shape component (21-2-1) is hinged on the both sides of footrest (3) one end.
7. footrest rack according to claim 7, it is characterised in that: described i-shape component (21-2-1) draws direction near footrest (3) connecting portion place in towards footrest and is provided with bending protuberance (21-2-1-1).
8. footrest rack according to claim 1, it is characterised in that: described first connecting rod is hinged on the middle part of described footrest (3) body by an axle, and described second connecting rod is hinged on the front center of described installing plate (1) by an axle.
9. footrest rack according to claim 1, it is characterized in that: described installing plate (1) and be respectively equipped with multiple installation bolt hole on footrest (3) body, described installing plate (1) is fixedly installed on transfer by multiple bolts and sits that bottom crossing pad, and foot-rest is arranged on described footrest (3) by bolt.
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 true CN105708210A (en) | 2016-06-29 |
| CN105708210B 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) |
Citations (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 |
| CN105326253A (en) * | 2015-12-09 | 2016-02-17 | 丁亮 | Folding type footrest device |
| CN105342193A (en) * | 2015-12-09 | 2016-02-24 | 丁亮 | Foldable foot supporting device |
-
2016
- 2016-03-29 CN CN201610185062.3A patent/CN105708210B/en active Active
Patent Citations (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 |
| CN105326253A (en) * | 2015-12-09 | 2016-02-17 | 丁亮 | Folding type footrest device |
| CN105342193A (en) * | 2015-12-09 | 2016-02-24 | 丁亮 | Foldable foot supporting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105708210B (en) | 2019-01-18 |
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| C06 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| 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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| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| 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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| PC01 | Cancellation 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 |