CN105708209B - A kind of simple footrest rack of structure - Google Patents
A kind of simple footrest rack of structure Download PDFInfo
- Publication number
- CN105708209B CN105708209B CN201610185035.6A CN201610185035A CN105708209B CN 105708209 B CN105708209 B CN 105708209B CN 201610185035 A CN201610185035 A CN 201610185035A CN 105708209 B CN105708209 B CN 105708209B
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- extensible member
- connecting rod
- mounting plate
- hinged
- toe board
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- 238000009434 installation Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 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
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Abstract
The present invention relates to a kind of office appliance more particularly to a kind of swivel chair footrest racks.A kind of simple footrest rack of structure, 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
Existing leg rest function, the simple footrest rack of structure.
To achieve the goals above, technical scheme is as follows:
A kind of simple footrest rack of structure, including mounting plate, toe board and flexible group for being connected mounting plate and toe board
Part, the telescopic component include scissor type telescopic structure and connecting rod, and scissor type telescopic structure is by the first pars contractilis for being hinged
Part and the second extensible member composition, the connecting rod includes first connecting rod and second connecting rod, wherein one end of first connecting rod and first
One end of extensible member hingedly forms the first telescopic component, and one end of second connecting rod and one end of the second extensible member are hingedly formed
Second telescopic component, one end of the first telescopic component are hinged on a position of the mounting plate, and the other end is hinged on leg rest
On one position of plate, one end of the second telescopic component is hinged on another position of the toe board, and the other end is hinged on
On another position of mounting plate；First extensible member is a drum component, and one end is as an axle sleeve and described first
Connecting rod is hinged, and the other end is hinged on one end two sides of mounting plate as an installation axle；Second extensible member is a drum structure
Part, one end is hinged as an axle sleeve and the second connecting rod, and the other end is hinged on one end two of toe board 1 as an installation axle
Side.
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 first extensible member and the second extensible member are arranged side by side as a preferred embodiment of the above solution, stretch in the scissor-type
In the telescopic process of shrinking structure, when the first extensible member pressure is in second extensible member and the hinged axis of the second connecting rod
When putting on, position limiting structure is formed, the retracted position of footrest rack is limit unfolded state at this time.Accordingly, the limit is in footrest rack
When unfolded state, foot is shelved on toe board by people, since the first extensible member pressure is on second extensible member, the
Two extensible members play the limitation moved downward to the first extensible member, 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.
The first connecting rod is annular component as a preferred embodiment of the above solution, and one end is hinged on described first by axle sleeve
Extensible member, the other end are hinged on the leading portion center of mounting plate as an installation axle.
The second connecting rod is annular component as a preferred embodiment of the above solution, and one end is hinged on described second by axle sleeve
Extensible member, the other end are hinged on the body center of toe board as an installation axle.
Multiple installation bolts hole, institute are respectively equipped on the mounting plate and toe board ontology as a preferred embodiment of the above solution,
The bottom that mounting plate is fixed at transfer cushion by multiple bolts is stated, foot-rest is mounted on the toe board by bolt
On.
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.
4. footrest rack structure of the invention is simple, easy for installation, easy to operate.
Detailed description of the invention
Fig. 1 is structure scheme of installation of the swivel chair with footrest rack；
Fig. 2 is a kind of simple footrest rack unfolded state schematic diagram of structure；
Fig. 3 is a kind of simple footrest rack limit unfolded state schematic diagram of structure；
Fig. 4 is a kind of simple footrest rack rounding state schematic diagram of structure；
Fig. 5 is that a kind of simple footrest rack of structure collapses end state principle figure；
Fig. 6 is a kind of perspective view of the simple footrest rack of structure；
Fig. 7 is a kind of bottom view of the simple footrest rack of structure；
Fig. 8 is a kind of top view of the simple footrest rack of structure；
In figure, 1- mounting plate, 2- telescopic component, 21- scissor type telescopic structure, 21-1, the first extensible member, 21-2-
Two extensible members, 22- connecting rod, 22-1- first connecting rod, 22-2- second connecting rod, 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, a kind of simple footrest rack of structure, including mounting plate 1, toe board 3 and for being connected peace
The telescopic component 2 of loading board and toe board, telescopic component 2 include scissor type telescopic structure 21 and connecting rod 22, scissor type telescopic structure
21 are made of the first extensible member 21-1 being hinged and the second extensible member 21-2, 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 first flexible group
Part, one end of one end of second connecting rod 22-2 and the second extensible member 21-2 hingedly form the second telescopic component, and first flexible group
One end of part is hinged on a position of mounting plate 1, and the other end is hinged on a position of toe board 3, and second flexible group
One end of part is hinged on another position of toe board 3, and 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 a drum component, one end is as an axle sleeve and the first connecting rod
22-1 is hinged, and the other end is hinged on one end two sides of mounting plate 1 as an installation axle；Second extensible member 21-2 is a drum structure
Part, one end is hinged as an axle sleeve and second connecting rod 22-2, and the other end is hinged on one end two of toe board 1 as an installation axle
Side is directly carried out hingedly with hinged shaft between the first extensible member 21-1 and the second extensible member 21-2.
As shown in Fig. 6, Fig. 7 and Fig. 8, first connecting rod 22-1 is annular component, and one end is hinged on first by axle sleeve and stretches
Component, the other end are hinged on the leading portion center of mounting plate 1 as an installation axle.
As shown in Fig. 6, Fig. 7 and Fig. 8, second connecting rod 22-2 is annular component, and one end is hinged on second by axle sleeve and stretches
Component, the other end are hinged on the body center of toe board 3 as an installation axle.
With reference to Fig. 1, multiple installation bolts hole are respectively equipped on 3 ontology of mounting plate 1 and toe board, mounting plate 1 passes through multiple
Bolt is fixed at the bottom of transfer cushion, and foot-rest is mounted on toe board 3 by bolt.
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. a kind of simple footrest rack of structure, including mounting plate (1), toe board (3) and for being connected stretching for mounting plate and toe board
Contracting component (2), it is characterised in that: the telescopic component (2) includes scissor type telescopic structure (21) and connecting rod (22), and scissor-type is stretched
Shrinking structure (21) is made of the first extensible member (21-1) and the second extensible member (21-2) being hinged, the connecting rod (22)
Including first connecting rod (22-1) and second connecting rod (22-2), wherein one end of first connecting rod (22-1) and the first extensible member (21-
1) one end hingedly forms the first telescopic component, and one end of second connecting rod (22-2) and the one end of the second extensible member (21-2) are cut with scissors
It connects to form the second telescopic component, one end of the first telescopic component is hinged on a position of the mounting plate (1), other end hinge
It connects on a position of toe board (3), one end of the second telescopic component is hinged on another position of the toe board (3)
On, the other end is hinged on another position of mounting plate (1)；First extensible member (21-1) is a drum component,
Hingedly as an axle sleeve and the first connecting rod (22-1), the other end is hinged on the one of mounting plate (1) as an installation axle for one end
Hold two sides；Second extensible member (21-2) is a drum component, and one end is as an axle sleeve and the second connecting rod (22-
2) hingedly, the other end is hinged on one end two sides of toe board (1) as an installation axle；Toe board wheelbase a and first connecting rod (22-
1) the sum of length b 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 second extensible member (21-2) for being located at toe board
Installation axle reach maximum value just at a distance from the articulated shaft of first connecting rod (22-1) to first extensible member (21-1)
When, the retracted position of footrest rack is the gathering initial state of toe board at this time；If since the gathering initial state, to leg rest
Plate applies the power for collapsing direction: when force value is equal to threshold value, c becomes c ', c ' > c under that force, and occurs a+b=c ''s
Critical condition；When force value is greater than threshold value, the critical condition of a+b=c ' is broken, and c becomes c ", c≤c " < under that force
C ', the retracted position of footrest rack is that the gathering of toe board terminates state at this time；The length of mounting plate wheelbase d and second connecting rod (22-2)
It spends the sum of e and is greater than the installation axle of the first extensible member (21-1) positioned at mounting plate to second extensible member (21-2) and the
The distance f of the articulated shaft of two connecting rods (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 at a distance from the articulated shaft of second connecting rod (22-2) to second extensible member (21-2) just, at this time
The retracted position of footrest rack is the gathering initial state of mounting plate；If applying since the gathering initial state to mounting plate
Collapse the power in direction: when force value is equal to threshold value, f becomes f ', f ' > f under that force, and the critical feelings of d+e=f ' occurs
Shape；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, this
When footrest rack retracted position be mounting plate gathering terminate state.
2. the simple footrest rack of a kind of structure according to claim 1, it is characterised in that: the first extensible member (21-1) and the
Two extensible members (21-2) are arranged side by side, in the telescopic process of the scissor type telescopic structure (21), when the first extensible member
(21-1) pressure forms position limiting structure when on second extensible member (21-2) and the hinged axle sleeve of the second connecting rod,
The retracted position of footrest rack is limit unfolded state at this time.
3. the simple footrest rack of a kind of structure according to claim 1, it is characterised in that: the first extensible member (21-1) and
The hinged shaft of two extensible members (21-2), the distance away from link joint feature are X, are connected away from mounting plate (1) interconnecting piece or toe board (3)
The distance in portion is Y, then Y > 3X.
4. the simple footrest rack of a kind of structure according to claim 1, it is characterised in that: the first connecting rod (22-1) is ring
Shape component, one end is hinged on first extensible member by axle sleeve, before the other end is hinged on mounting plate (1) as installation axle
Duan Zhongyang.
5. the simple footrest rack of a kind of structure according to claim 1, it is characterised in that: the second connecting rod (22-2) is ring
Shape component, one end are hinged on second extensible member by axle sleeve, and the other end is hinged on the sheet of toe board (3) as installation axle
Body center.
6. the simple footrest rack of a kind of structure according to claim 1, it is characterised in that: the mounting plate (1) and toe board
(3) multiple installation bolts hole are respectively equipped on ontology, the mounting plate (1) is fixed at transfer cushion by multiple bolts
Bottom, foot-rest are mounted on the toe board (3) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185035.6A CN105708209B (en) | 2016-03-29 | 2016-03-29 | A kind of simple footrest rack of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185035.6A CN105708209B (en) | 2016-03-29 | 2016-03-29 | A kind of simple footrest rack of structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105708209A CN105708209A (en) | 2016-06-29 |
| CN105708209B true CN105708209B (en) | 2019-02-01 |
Family
ID=56158341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610185035.6A Active CN105708209B (en) | 2016-03-29 | 2016-03-29 | A kind of simple footrest rack of structure |
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| CN (1) | CN105708209B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107684269B (en) * | 2016-08-03 | 2024-09-10 | 太炫科技(南京)有限公司 | Multi-position chair footrest |
| CN106235727A (en) * | 2016-08-27 | 2016-12-21 | 泰州市瑞美机械有限公司 | A kind of multifunctional chair proof mechanism and there is its multifunctional chair |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204105362U (en) * | 2014-09-13 | 2015-01-21 | 连娇凤 | New steel structure folding seat |
| CN204410211U (en) * | 2015-02-09 | 2015-06-24 | 钟诚 | Swivel chair toe board |
| 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 CN201610185035.6A patent/CN105708209B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204105362U (en) * | 2014-09-13 | 2015-01-21 | 连娇凤 | New steel structure folding seat |
| CN204410211U (en) * | 2015-02-09 | 2015-06-24 | 钟诚 | Swivel chair toe board |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105708209A (en) | 2016-06-29 |
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Effective date of registration: 20191016 Address after: 314500 second floor of standard factory building, block a-02, phase II Industrial Zone, Tongxiang Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: Tongxiang meiskai household products Co., Ltd. Address before: 505, room 3, unit 75, 313300 mansion, Shangcheng mansion, Chang Shuo street, Anji County, Zhejiang, Huzhou Patentee before: Chen Jin Wen |
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