CN105411228B - A kind of lifting referee's chair - Google Patents
A kind of lifting referee's chair Download PDFInfo
- Publication number
- CN105411228B CN105411228B CN201510982171.3A CN201510982171A CN105411228B CN 105411228 B CN105411228 B CN 105411228B CN 201510982171 A CN201510982171 A CN 201510982171A CN 105411228 B CN105411228 B CN 105411228B
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- China
- Prior art keywords
- seat
- pulley
- honour
- balustrade panel
- steel wire
- 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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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 45
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000386 athletic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000630 rising 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
- A47C1/00—Chairs adapted for special purposes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Special Chairs (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The present invention relates to a kind of lifting referee's chairs, Flying Plate device is designed in the both sides balustrade panel at the seat of honour, shaft is connected between two Flying Plate devices, wherein seat of honour side balustrade panel is equipped with groove, it is inserted into push rod in groove, the end in groove is equipped with fixed pulley, and first steel wire one end is connected on push rod, the other end bypasses fixed pulley, is wrapped on the roundel of Flying Plate device；The both sides balustrade panel outer wall bottom at the seat of honour is designed with one group of second pulley group, one group of first pulley group and hook are designed at the top of the both sides balustrade panel outer wall of pedestal, second steel wire one end is fixed on hook, the second steel wire other end bypasses a second pulley group pulley and a first pulley group pulley successively, it recycles successively, the second steel wire other end is finally wound on the big disk of Flying Plate device.It the advantage is that：Efficiently use pulley blocks, when lifting is laborsaving, quick, and simple in structure, service life is long, and production cost is low, Maintenance free；Securely and reliably, light storage is dust-proof.
Description
Technical field
The present invention relates to lifting referee's chair fields, and in particular to a kind of lifting referee's chair of Labor-saving safety.
Background technology
Requirement of the modern sports to athletics sports equipment is higher and higher, and athletics sports equipment is good in addition to have
Appearance, it is often more important that embody people-oriented concept, more convenient and hommization.In athletics sports project, referee is
Clearly judge whether opposing teams have misconduct, be typically necessary station on very high position, then just have now
Referee's chair.Existing referee's chair it is relatively simple for structure, structure mainly includes：Stent, be arranged on staircase on stent and
Seat.When carrying out volleyball match, referee needs to climb on chair, since the height of chair is higher, sits on than relatively hazardous,
It cannot be moved up and down in seat during the games, referee cannot clearly judge whether opposing teams have misconduct, simultaneously
The referee's chair movement of this structure is got up also completely inconvenient.
Invention content
To avoid the shortcoming of background technology, the present invention provides a kind of laborsaving, safe lifting referee's chair.
In order to solve the above-mentioned technical problem, design a kind of lifting referee's chair, including pedestal, the seat of honour, Flying Plate device, push rod and
Hook, the Flying Plate device are formed for several disk stacks, and disc radius is gradually reduced, and pedestal, which embeds, closes seat, the seat of honour and bottom
Seat both sides are equipped with balustrade panel, and the seat of honour corresponds on the inside of the both sides balustrade panel on pedestal on pedestal and is close to the both sides on the seat of honour
On the outside of balustrade panel, Flying Plate device is designed in the both sides balustrade panel at the seat of honour, shaft is connected between two Flying Plate devices, wherein
Seat of honour side balustrade panel is equipped with groove, is inserted into push rod in groove, and the end in groove is equipped with fixed pulley, and first steel wire one end connects
It is connected on push rod, the other end bypasses fixed pulley, is wrapped on the roundel of Flying Plate device；The both sides balustrade panel outer wall bottom at the seat of honour
It is designed with one group of second pulley group, is designed with one group of first pulley group and hook at the top of the both sides balustrade panel outer wall of pedestal, second
Steel wire one end is fixed on hook, and the second steel wire other end bypasses a second pulley group pulley and a first pulley group successively
Pulley recycles successively, and the second steel wire other end is finally wound on the big disk of Flying Plate device.
Further, the seat of honour stacks gradually chimeric form for several seats.
Further, connection setting of the seat between adjacent seat as above-mentioned pedestal and the seat of honour.
Further, several disk quantity on the Flying Plate device are one more than the numbers of seats on the seat of honour.
Further, Flying Plate device is formed for several disk stacks, and disc radius is gradually reduced, including roundel, centre
Disk, big disk, Flying Plate device is vertically in the both sides balustrade panel at the seat of honour, and roundel is close on the inside of the balustrade panel at the seat of honour, great circle
Disk close to the seat of honour balustrade panel on the outside of.
Further, the seat of honour wherein side balustrade panel is equipped with groove, and several limiting hook grooves, groove two are offered on groove
End offers limiting hook groove.
Further, the seat of honour is equipped with backrest, and backrest top is equipped with shield, and shield edge is equipped with roller shutter.
Further, first pulley group includes seven pulleys, and second pulley group includes eight pulleys, Flying Plate device big disk
A diameter of 50 centimetres, 0.5-1 centimetres of roundlet disk diameter, groove length is 54-60 centimetres.
Further, Flying Plate device roundel center is equipped with the circular hole through diameter, and the first steel wire passes through circular hole to fix simultaneously
It is wrapped on the outside of roundel.
Further, the seat of honour stacks gradually chimeric for 2 seats, and two seats are divided into middle seat and seat, on pedestal
Both sides balustrade panels on the inside of be close to and correspond on the outside of both sides balustrade panel on seat, it is tight on the inside of the both sides balustrade panel on middle seat
On the outside of both sides balustrade panel in patch and corresponding seat, Flying Plate device, two flying disc dresses are designed in the balustrade panel of seat both sides
Connect shaft between putting, wherein the balustrade panel of seat side is equipped with groove, is inserted into push rod in groove, and the end in groove is set
There is fixed pulley, first steel wire one end is connected on push rod, and the other end bypasses fixed pulley, is wrapped on the roundel of Flying Plate device；
The both sides balustrade panel outer wall bottom of seat is designed with one group of second pulley group；The both sides balustrade panel outer wall bottom of middle seat is all set
There is one group of second pulley group, top is designed with one group of first pulley group and hook；It is all set at the top of the both sides balustrade panel outer wall of pedestal
There are one group of first pulley group and hook, second steel wire one end is fixed on the hook of chassis side, and the second steel wire other end is successively
Around the second pulley group pulley of middle seat both sides and the both sides first pulley group pulley of a pedestal, recycle successively,
The two steel wire other ends are finally wound on the big disk of Flying Plate device；Third steel wire one end is fixed on the hook of middle seat both sides,
The third steel wire other end first sliding successively around the second pulley group pulley of seat both sides and a middle seat both sides
Wheel group pulley, recycles successively, and the third steel wire other end is finally wound on the intermediate disc of Flying Plate device.
Advantageous effect of the present invention is：Efficiently use pulley blocks, laborsaving, quick, simple in structure, service life during lifting
Long, production cost is low, Maintenance free；Securely and reliably, light storage is dust-proof.
Description of the drawings
Fig. 1 is the use schematic diagram of the present invention.
Fig. 2 is the structure diagram at the seat of honour of the present invention.
Fig. 3 is the side view of the present invention.
Fig. 4 is the pedestal of the present invention and the use schematic diagram at the seat of honour.
Fig. 5 is the side view at the seat of honour of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described：
With reference to attached drawing 1-5：A kind of lifting referee's chair, including pedestal 1, the seat of honour 2, Flying Plate device 3, push rod 6 and hook 7, institute
It states Flying Plate device 3 to form for several disk stacks, disc radius is gradually reduced, and pedestal 1 is embedded to close seat 2, the seat of honour 2 and pedestal 1
Both sides are equipped with balustrade panel, and the seat of honour 2 is embedded on pedestal 1, two for corresponding to and being close on the seat of honour 2 on the inside of the both sides balustrade panel on pedestal 1
On the outside of side handrail plate, Flying Plate device 3 is designed in the both sides balustrade panel at the seat of honour 2, shaft is connected between two Flying Plate devices 3
4, wherein 2 side balustrade panel of the seat of honour is equipped with groove 5, is inserted into push rod 6 in groove 5, and the end in groove 5 is equipped with fixed pulley 11,
First steel wire, 12 one end is connected on push rod 6, and the other end bypasses fixed pulley 11, is wrapped on the roundel 31 of Flying Plate device 3；On
The both sides balustrade panel outer wall bottom of seat 2 is designed with one group of second pulley group 10, is designed at the top of the both sides balustrade panel outer wall of pedestal
One group of first pulley group 8 and hook 7,9 one end of the second steel wire are fixed on hook 7, and 9 other end of the second steel wire bypasses one successively
Second pulley group pulley and a first pulley group pulley, recycle, 9 other end of the second steel wire is finally wound on Flying Plate device 3 successively
Big disk 33 on.
A kind of lifting referee's chair, the seat of honour 2 stack gradually chimeric form for several seats.
A kind of lifting referee's chair, connection setting of the seat between adjacent seat as above-mentioned pedestal and the seat of honour.
A kind of lifting referee's chair, several disk quantity on the Flying Plate device 3 are one more than the numbers of seats on the seat of honour.
A kind of lifting referee's chair, Flying Plate device 3 are formed for several disk stacks, and disc radius is gradually reduced, including roundlet
Disk 31, intermediate disc 32, big disk 33, Flying Plate device 3 is vertically in the both sides balustrade panel at the seat of honour 2, and roundel 31 is close to the seat of honour 2
Balustrade panel on the inside of, big disk 33 close to the seat of honour 2 balustrade panel on the outside of.
A kind of lifting referee's chair, the wherein side balustrade panel of the seat of honour 2 are equipped with groove 5, several positive stop hooks are offered on groove 5
Slot, 5 both ends of groove offer limiting hook groove.
A kind of lifting referee's chair, the seat of honour 2 are equipped with backrest, and backrest top is equipped with shield 13, and 13 edge of shield is equipped with roller shutter 14.
A kind of lifting referee's chair, first pulley group 8 include seven pulleys, and second pulley group 10 includes eight pulleys, flying disc
3 big disk of device 33 a diameter of 50 centimetres, 0.5-1 centimetres of 31 diameter of roundel, 5 length of groove are 54-60 centimetres.
A kind of lifting referee's chair, 31 center of roundel of Flying Plate device 3 are equipped with the circular hole through diameter, and the first steel wire 12 is worn
Circular hole is crossed to fix and be wrapped in 31 outside of roundel.
A kind of lifting referee's chair, the seat of honour stack gradually chimeric for 2 seats, and two seats are divided into middle seat 22 and seat
21, on the outside of the both sides balustrade panel in being close to and correspond on the inside of the both sides balustrade panel on pedestal 1 on seat 22, two on middle seat 22
It is close on the inside of side handrail plate and corresponds on the outside of the both sides balustrade panel in seat 21, is designed with flying in 21 both sides balustrade panel of seat
Disk device 3 connects shaft 4 between two Flying Plate devices 3, and the wherein balustrade panel of 21 side of seat is equipped with groove 5, groove 5
Interior insertion push rod 6, the end in groove 5 are equipped with fixed pulley 11, and 12 one end of the first steel wire is connected on push rod 5, and the other end bypasses
Fixed pulley 11 is wrapped on the roundel 31 of Flying Plate device 3；The both sides balustrade panel outer wall bottom of seat 21 is designed with one group
Two pulley blocks 10；The both sides balustrade panel outer wall bottom of middle seat 22 is designed with one group of second pulley group 10, and top is designed with one group
First pulley group 8 and hook 7；One group of first pulley group 8 is designed at the top of the both sides balustrade panel outer wall of pedestal 1 and links up with 7, second
9 one end of steel wire is fixed on the hook 7 of 1 side of pedestal, and 9 other end of the second steel wire is successively around the of middle 22 both sides of seat
The both sides first pulley group pulley of two pulley blocks pulleys and a pedestal, recycles, 9 other end of the second steel wire is finally wound on winged successively
On the big disk 33 of disk device 3；Third steel wire one end is fixed on the hook 7 of middle 22 both sides of seat, the third steel wire other end according to
The first pulley group pulley of the secondary second pulley group pulley and middle 22 both sides of seat for bypassing 21 both sides of seat, successively
Cycle, the third steel wire other end are finally wound on the intermediate disc 32 of Flying Plate device 3.
A kind of lifting referee's chair, the backrest of seat 21 is 500 millimeters high, and the seat cushion of seat 21 is 300 millimeters high, middle seat
22 is 1000 millimeters high, 1 high 1000 millimeter of pedestal, during full open position, seat 21 and middle 22 Chong Die 100 millimeters of seat, in
1 Chong Die 100 millimeter of seat 22 and pedestal, pedestal 1 are wider than middle seat 22 more than seat 21.
A kind of lifting referee's chair fixes a root post on pedestal 1, and the column other end is inserted into the backrest at the seat of honour 2, backrest and
Column position between pedestal 1 is cased with spring.It avoids occurring surprisingly, seat being caused to drop suddenly suddenly, plays the work of buffering during lifting
With.
A kind of lifting referee's chair is equipped with mounting hole at 1 backrest bottom of pedestal.It is fixed with bottom surface, when avoiding lifting, lifting is cut out
Sentence chair to dump forward.
A kind of lifting referee's chair, the weight of a whole set of seat is 50kg, and wherein 30kg is chassis trussing.Middle seat 22 and the seat of honour
The weight of chair 21 is 20kg.Judge weight 80kg, total bear a heavy burden for rising generation are equal to 100kg, a pulley of row 15, referee
Push rod only need 1/30 power be 33N（Acceleration of gravity takes 10Kg/N）.About 27 meters of extra steel wire is generated after pulley blocks tightening
（900 millimeter * 30）.Since three-decker has used 2 auxiliary pulley groups altogether, the stress of every steel wire is no more than 2kg.Weight is 50kg
Judge, then only need the thrust of 23N.
A kind of lifting referee's chair, 50 centimetres of 33 diameter of big disk, roundel 31 i.e. 1 centimetre of steel shaft diameter, steel shaft diameter 0.5
Centimetre, diameter slightly increases after twining 54 centimetres of steel wires in advance, the two perimeter（2πR）Multiple is 50:1, i.e., 27 meters of steel wire is by big disk 33
After storage, roundel 31 need to store 0.54 meter, be equivalent to push rod and move 540 millimeters, be equivalent to the brachium of adult, also just exist
In the length range of armrest.
A kind of lifting referee's chair, Flying Plate device 3 are total to three pieces, and roundel 31 connects the first steel wire of push rod 12, intermediate flying disc 32
Third steel wire is connected, big disk 33 connects the second steel wire 9.3 groups of left and right Flying Plate device is synchronized by a concentric rotating shafts 4.
A kind of lifting referee's chair, the right and left of 1 backrest bottom of pedestal are additionally provided with idler wheel.Convenient easily mobile chair.
A kind of lifting referee's chair, the right and left at the top of 1 backrest of pedestal are additionally provided with handle, and handle is downward hook-shaped, side
Chair is hung when just pushing and pulling and store, saves space.
Although the present invention is described by reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, the description that can be not limited to the above embodiments in the range of claims, can make in form and details each
Kind variation.
Claims (2)
1. a kind of lifting referee's chair, including pedestal, the seat of honour, Flying Plate device, push rod and hook, the Flying Plate device is several disks
It stacks, disc radius is gradually reduced, and pedestal, which embeds, closes seat, and the seat of honour and pedestal both sides are equipped with balustrade panel, it is characterised in that：
The seat of honour is on pedestal, on the outside of the both sides balustrade panel that the both sides balustrade panel inside on pedestal corresponds to and is close on the seat of honour, institute
It states and Flying Plate device is designed in the both sides balustrade panel at the seat of honour, shaft, wherein one side handrail of the seat of honour are connected between two Flying Plate devices
Plate is equipped with groove, is inserted into push rod in groove, and the end in groove is equipped with fixed pulley, and first steel wire one end is connected on push rod,
The other end bypasses fixed pulley, is wrapped on the roundel of Flying Plate device；The both sides balustrade panel outer wall bottom at the seat of honour is designed with one group
Second pulley group, the both sides balustrade panel outer wall top of pedestal are designed with one group of first pulley group and hook, and second steel wire one end is consolidated
It is scheduled on hook, the second steel wire other end bypasses a second pulley group pulley and a first pulley group pulley successively, successively
Cycle, the second steel wire other end are finally wound on the big disk of Flying Plate device；The seat of honour stacks gradually chimeric form for several seats；
Connection setting of the seat between adjacent seat as above-mentioned pedestal and the seat of honour；Several disk quantity on Flying Plate device compare the seat of honour
On numbers of seats more one；Flying Plate device is formed for several disk stacks, and disc radius is gradually reduced, including roundel, centre
Disk, big disk, Flying Plate device is vertically in the both sides balustrade panel at the seat of honour, and roundel is close on the inside of the balustrade panel at the seat of honour, great circle
Disk close to the seat of honour balustrade panel on the outside of；The seat of honour wherein side balustrade panel is equipped with groove, and several limiting hook grooves are offered on groove,
Groove both ends offer limiting hook groove；The seat of honour is equipped with backrest, and backrest top is equipped with shield, and shield edge is equipped with roller shutter；First slides
Wheel group includes seven pulleys, and second pulley group includes eight pulleys, a diameter of 50 centimetres of Flying Plate device big disk, roundlet disk diameter
0.5-1 centimetres, groove length is 54-60 centimetres；Flying Plate device roundel center is equipped with the circular hole through diameter, and the first steel wire is worn
It crosses circular hole to fix and be wrapped on the outside of roundel, a root post is fixed on pedestal, the column other end is inserted into the backrest at the seat of honour, leans on
Column position between the back of the body and pedestal is cased with spring, exempts to occur surprisingly, seat being caused to drop suddenly suddenly, plays the work of buffering during lifting
With；Mounting hole is equipped at pedestal backrest bottom, is fixed with bottom surface；Flying Plate device is total to three pieces, and roundel connects the first steel wire, intermediate
Flying disc connects third steel wire, and big disk connects the second steel wire；Left and right Flying Plate device group is synchronized by a concentric rotating shafts；Pedestal leans on
The right and left in back end portion is additionally provided with idler wheel, convenient easily mobile chair；The right and left at the top of pedestal backrest is additionally provided with handle,
Handle is downwards hook-shaped, hangs chair when facilitating push-and-pull and storage, saves space.
2. a kind of lifting referee's chair according to claim 1, it is characterised in that：The seat of honour is stacked gradually for 2 seats
Chimeric, two seats are divided into middle seat and seat, in being close to and correspond on the inside of the both sides balustrade panel on pedestal on seat two
On the outside of side handrail plate, it is close on the inside of the both sides balustrade panel on middle seat and corresponds on the outside of the both sides balustrade panel in seat, the seat of honour
Flying Plate device is designed in the balustrade panel of chair both sides, the balustrade panel of shaft, wherein seat side is connected between two Flying Plate devices
Groove is equipped with, is inserted into push rod in groove, the end in groove is equipped with fixed pulley, and first steel wire one end is connected on push rod, separately
One end bypasses fixed pulley, is wrapped on the roundel of Flying Plate device；The both sides balustrade panel outer wall bottom of seat is designed with one group
Second pulley group；The both sides balustrade panel outer wall bottom of middle seat is designed with one group of second pulley group, and top is designed with one group first
Pulley blocks and hook；One group of first pulley group and hook, second steel wire one end are designed at the top of the both sides balustrade panel outer wall of pedestal
Be fixed on the hook of chassis side, the second steel wire other end successively around the second pulley group pulley of middle seat both sides and
The both sides first pulley group pulley of one pedestal, recycles, the second steel wire other end is finally wound on the big disk of Flying Plate device successively
On；Third steel wire one end is fixed on the hook of middle seat both sides, and the third steel wire other end bypasses a seat both sides successively
Second pulley group pulley and a middle seat both sides first pulley group pulley, recycle successively, the third steel wire other end is last
It is wound on the intermediate disc of Flying Plate device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982171.3A CN105411228B (en) | 2015-12-23 | 2015-12-23 | A kind of lifting referee's chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982171.3A CN105411228B (en) | 2015-12-23 | 2015-12-23 | A kind of lifting referee's chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105411228A CN105411228A (en) | 2016-03-23 |
| CN105411228B true CN105411228B (en) | 2018-07-03 |
Family
ID=55490133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510982171.3A Active CN105411228B (en) | 2015-12-23 | 2015-12-23 | A kind of lifting referee's chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105411228B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4796882A (en) * | 1987-08-13 | 1989-01-10 | Jiumr Fanchan J | Physical training apparatus |
| CN2386034Y (en) * | 1999-07-27 | 2000-07-05 | 武新民 | Multi-stage elevating platforms |
| CN1837007A (en) * | 2005-03-23 | 2006-09-27 | 陈枝 | Safety escalator |
| CN201152033Y (en) * | 2007-12-13 | 2008-11-19 | 倪湘凝 | Stage crane |
| CN202112651U (en) * | 2011-07-12 | 2012-01-18 | 上海红双喜股份有限公司 | Referee chair capable of lifting automatically |
| CN204138266U (en) * | 2014-09-28 | 2015-02-04 | 林京群 | A kind of elevating platform assembly |
| CN205285652U (en) * | 2015-12-23 | 2016-06-08 | 温州智宇翱华商务服务有限公司 | Lift referee's chair |
-
2015
- 2015-12-23 CN CN201510982171.3A patent/CN105411228B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4796882A (en) * | 1987-08-13 | 1989-01-10 | Jiumr Fanchan J | Physical training apparatus |
| CN2386034Y (en) * | 1999-07-27 | 2000-07-05 | 武新民 | Multi-stage elevating platforms |
| CN1837007A (en) * | 2005-03-23 | 2006-09-27 | 陈枝 | Safety escalator |
| CN201152033Y (en) * | 2007-12-13 | 2008-11-19 | 倪湘凝 | Stage crane |
| CN202112651U (en) * | 2011-07-12 | 2012-01-18 | 上海红双喜股份有限公司 | Referee chair capable of lifting automatically |
| CN204138266U (en) * | 2014-09-28 | 2015-02-04 | 林京群 | A kind of elevating platform assembly |
| CN205285652U (en) * | 2015-12-23 | 2016-06-08 | 温州智宇翱华商务服务有限公司 | Lift referee's chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105411228A (en) | 2016-03-23 |
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Effective date of registration: 20200731 Address after: 102600 Unit 403, Unit 1, 15th Floor, Changfengyuan, Huangcun Town, Daxing District, Beijing Patentee after: Du Lihong Address before: 325000 Zhejiang city of Wenzhou province Ouhai Chashan Higher Education Park in North Campus of Wenzhou University No. 7 Building 10 room 1031 Patentee before: WENZHOU ZHIYU AOHUA BUSINESS SERVICE Co.,Ltd. |
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Address after: 241000 room 4 1001, service outsourcing park, high tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province Patentee after: Du Lihong Address before: 102600 Unit 403, Unit 1, 15th Floor, Changfengyuan, Huangcun Town, Daxing District, Beijing Patentee before: Du Lihong |
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Effective date of registration: 20211025 Address after: 215300 No. 8, Tailiang Road, agricultural development zone, Taizhou City, Jiangsu Province Patentee after: JIANGSU TIMES ENTERTAINMENT EQUIPMENT Co.,Ltd. Address before: 241000 room 4 1001, service outsourcing park, high tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province Patentee before: Du Lihong |