CN111481017A - Educational work show shelf - Google Patents
Educational work show shelf Download PDFInfo
- Publication number
- CN111481017A CN111481017A CN202010158626.0A CN202010158626A CN111481017A CN 111481017 A CN111481017 A CN 111481017A CN 202010158626 A CN202010158626 A CN 202010158626A CN 111481017 A CN111481017 A CN 111481017A
- Authority
- CN
- China
- Prior art keywords
- display
- sleeve
- frame
- lantern rings
- shifting block
- 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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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/02—Rotary display stands
- A47F5/025—Rotary display stands having mechanical drive, e.g. turntables
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/04—Stands with a central pillar, e.g. tree type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
- A47F7/14—Show stands, hangers, or shelves, adapted for particular articles or materials for pictures, e.g. in combination with books or seed-bags ; for cards, magazines, newspapers, books or booklike articles, e.g. audio/video cassettes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Display Racks (AREA)
Abstract
The invention relates to an educational work display stand, which comprises a transparent protective cover, a base, a motor and a display stand body, the display frame body consists of a sleeve, a display frame and a telescopic rod, the telescopic rod is arranged in the sleeve in a penetrating way, the display frames are arranged in a radial shape between each group of lantern rings, the display areas of the display frame body are a plurality of display areas which are spaced up and down, and more works can be displayed at the same height, each work is turned over by the motor drive, the display frames are in a radial shape on the sleeve, a plurality of groups of display frames can be arranged on one sleeve at intervals up and down, planar display is contracted into annular page turning display, the space is reasonably utilized, and the occupied area of the display frame is reduced.
Description
Technical Field
The invention relates to the technical field of display shelves, in particular to an educational work display shelf.
Background
The educational works are usually teaching materials or works which can show teaching quality in the art, article or other teaching processes of students, and are the embodiment of teaching ability, teaching mode or education level of an education system.
Educational works need be shown to the outside, and the work that needs the show is more because the particularity of education system leads to, has tens or even hundreds of works to show after a school gathers usually, but general show shelf receives the place restriction, can't show too much work.
The demonstration of the educational works not only reflects the attention of schools to teaching, but also encourages students in a showing mode, so that the invention of the educational work demonstration shelf which occupies small space and has a plurality of demonstration works is very necessary.
Disclosure of Invention
In order to solve the problems of wide occupied area and few displayed works of the display rack in the prior art, the invention provides the display rack for the educational works, and aims to provide the display rack for the educational works so as to display more educational works.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an educational work display stand comprises a transparent protective cover, a base and a motor, wherein the protective cover is positioned on the top surface of the base, the motor is positioned in the base, and the display stand also comprises a display stand body;
the display shelf body is composed of a sleeve, a display frame and a telescopic rod, the sleeve is positioned in the protective cover, the bottom of the sleeve is vertically connected with the top surface of the base, a plurality of groups of lantern rings are sleeved on the periphery of the sleeve, each group of lantern rings is composed of two oppositely arranged lantern rings, annular grooves with the same size and opposite opening directions are formed in the opposite surfaces of each group of lantern rings, vertical strip-shaped through holes are formed in the sleeve above and below each group of lantern rings, and the through holes are communicated with the inner wall and the outer wall of the sleeve;
the display frames are rectangular frames, two ends of one side edge of each display frame protrude out of the frame and extend into the annular grooves of each group of lantern rings, transparent film bags are arranged on two surfaces of each display frame, the number of the display frames is multiple, and the display frames are radially arranged among the lantern rings of each group;
the telescopic rod penetrates through the sleeve and is in a sliding state up and down in the sleeve, the bottom of the telescopic rod penetrates through the top surface of the base and extends into the base, the bottom of the telescopic rod is connected with a sliding frame, the sliding frame is an arc-shaped annular groove body, a connecting rod is connected at the position of the telescopic rod corresponding to the through hole, the outer end of the connecting rod extending out of the through hole above each group of lantern rings is connected with a first shifting block, the outer end of the connecting rod extending out of the through hole below each group of lantern rings is connected with a first shifting block, the inner end of the connecting rod is vertically connected with the telescopic rod, sharp corners and inclined edges are arranged on the first shifting block and the second shifting block, and the sharp corners;
the output of motor is provided with the crank, in the inner ring of cyclic annular cell body was arranged in to the upper end of crank, in the slide of the arcuate cyclic annular cell body of major arc was arranged in to the lower extreme of crank, crank length was unanimous with the radius of sliding frame.
Further, the display frames are distributed on two sides of the first shifting block.
Furthermore, a label area is arranged on the side edge of the display frame, which is far away from the sleeve, and the label areas of the display frames between the same set of the sleeve rings are staggered with each other.
Furthermore, the through holes above and below each group of lantern rings are staggered or positioned on the same vertical line, when the through holes above and below each group of lantern rings are staggered, the through holes above each group of lantern rings are positioned on the same vertical line, and the through holes below each group of lantern rings are positioned on the same vertical line.
Furthermore, the first shifting block and the second shifting block are triangular arc-shaped plate bodies coaxial with the sleeve.
Furthermore, the first shifting block is an isosceles triangle with a downward vertex angle, the second shifting block is a right-angled triangle, and the inclined side of the isosceles triangle facing the right-angled triangle is parallel to the inclined side of the right-angled triangle.
Furthermore, the vertical height from any point on the inclined edge of the isosceles triangle to the inclined edge of the right triangle is matched with the height of the display frame.
Furthermore, a closed angle formed by a horizontal right-angle side and an inclined side on the right-angled triangle is positioned on the right side of the middle point of the bottom side of the isosceles triangle, and a closed angle formed by a vertical right-angle side and an inclined side is positioned on the left side of the left end of the bottom side of the isosceles triangle.
Furthermore, the sliding frame is provided with a circular groove body with a U-arc arch shape, the circular groove body is formed by an arc groove and a straight groove, the outer ring of the sliding frame is in the U-arc arch shape, the inner ring of the sliding frame is in the semi-circular arch shape, and a slide way is formed between the inner ring and the inner ring of the sliding frame.
Further, the height of the through hole in the sleeve is larger than the difference between the length of the crank and the width of the slide way.
Through the technical scheme, the invention has the beneficial effects that:
1. the display area of the display rack body is a plurality of vertically spaced display areas, more works can be displayed at the same height, each work is driven by the motor to turn pages, and the number of displayed works is large.
2. The display frames are radial on the sleeves, a plurality of groups of display frames can be arranged on one sleeve at intervals up and down, plane display is contracted into annular page turning display, space is reasonably utilized, and the occupied area of the display shelf is reduced.
3. According to the invention, when the floor area of the showing stand is reduced, the motor is adopted to drive the page turning, works are sequentially shown, and the showing effect of the works is not influenced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the display stand body of the present invention;
FIG. 3 is a schematic view of the mounting structure of the sleeve and telescoping rod of the present invention;
FIG. 4 is a schematic view of the sleeve construction of the present invention;
FIG. 5 is a front view of the telescoping pole of the present invention;
fig. 6 is a perspective view of the telescoping pole of the present invention.
The reference numbers in the drawings are as follows: 1 is the safety cover, 2 is the base, 3 is the motor, 4 is the show shelf body, 31 is the crank, 41 is the sleeve, 42 is the show frame, 43 is the telescopic link, 411 is the lantern ring, 412 is the through-hole, 421 is the label district, 431 is smooth frame, 432 is the connecting rod, 433a is first shifting block, 433b is the second shifting block.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
as shown in fig. 1-5, an educational work show shelf comprises a transparent protective cover 1, a base 2 and a motor 3, wherein the protective cover 1 is arranged on the top surface of the base 2, the motor 3 is arranged inside the base 2, the motor 3 is a stepping motor, and the show shelf further comprises a show shelf body 4.
Show shelf body 4 comprises sleeve 41, show frame 42 and telescopic link 43, sleeve 41 is located safety cover 1, and the base 2 top surface is connected perpendicularly in sleeve 41 bottom, and the cover is equipped with the multiunit lantern ring 411 in the sleeve 41 periphery, every group lantern ring 411 comprises the lantern ring 411 of two relative settings, and the relative annular groove that has size unanimity, opening opposite direction of every group lantern ring 411 on the surface, all has the through-hole 412 of the rectangular shape of vertical form on the sleeve 41 of every group lantern ring 411 top and below, through-hole 412 intercommunication sleeve 41 inside and outside wall.
The display frames 42 are rectangular frame bodies, two ends of one side edge of each display frame 42 protrude out of the frame bodies and extend into the annular grooves of each group of lantern rings 411, transparent film bags are arranged on two surfaces of each display frame 42, the display frames 42 are multiple, and the display frames 42 are radially arranged between the lantern rings 411.
The dress is worn in sleeve 41 to telescopic link 43 is gliding state about being in sleeve 41, inside telescopic link 43 passes the top surface of base 2 and stretches into base 2, telescopic link 43 bottom is connected with smooth frame 431, smooth frame 431 is the arcuate cyclic annular cell body of major arc, telescopic link 43 corresponds through-hole 412 position and is connected with connecting rod 432, and first shifting block 433a is connected to the outer end of the connecting rod 432 that stretches out in the through-hole 412 of every group lantern ring 411 top, and first shifting block 433b is connected to the outer end of the connecting rod 432 that stretches out in the through-hole 412 of every group lantern ring 411 below, and telescopic link 43 is connected perpendicularly to the inner of connecting rod 432, have closed angle and slope limit on first shifting block 433a and the second shifting block 433b, the closed angle dislocation of first shifting block 433a and second shifting block 433b is relative.
The output end of the motor 3 is provided with a crank 31, the upper end of the crank 31 is arranged in the inner ring of the annular groove body, the lower end of the crank 31 is arranged in the slideway of the arc-shaped annular groove body, and the length of the crank 31 is consistent with the radius of the sliding frame 431.
The display areas of the display rack body 4 are vertically spaced, more works can be displayed at the same height, each work is driven by the motor 3 to turn pages, the number of displayed works is large, a plurality of groups of display frames 42 can be vertically spaced on one sleeve 41, planar display is contracted into annular page turning display, space is reasonably utilized, occupied area of the display rack is reduced, meanwhile, when the occupied area of the display rack is contracted, the motor 3 is adopted to drive the pages to turn pages, the works are sequentially displayed, and display effect of the works is not affected.
The number of the lantern rings 411 is 2-5 groups, so that the height of the lantern rings meets the reading sight line requirement, and the comprehensive cost is considered.
The display frames 42 are distributed on two sides of the first shifting block 433a and are opposite to the viewing area on the aspect of the first shifting block 433 a.
The side edge of the display frame 42, which is far away from the sleeve 41, is provided with a label area 421, and the label areas 421 of the plurality of display frames 42 among the same set of collars 411 are staggered with each other, so that the search is facilitated.
The through holes 412 above and below each group of the collars 411 are staggered or located on the same vertical line, when the through holes 412 above and below each group of the collars 411 are staggered, the through holes 412 above each group of the collars 411 are located on the same vertical line, and the through holes 412 below each group of the collars 411 are located on the same vertical line.
The first shifting block 433a and the second shifting block 433b are triangular arc-shaped plate bodies coaxial with the sleeve 41.
The first shifting block 433a is an isosceles triangle with a downward vertex angle, the second shifting block 433b is a right-angled triangle, and the inclined sides of the isosceles triangle facing the right-angled triangle are parallel to the inclined sides of the right-angled triangle.
The vertical height from any point on the inclined edge of the isosceles triangle to the inclined edge of the right triangle is matched with the height of the display frame 42.
A sharp angle formed by the horizontal right-angle side and the inclined side on the right-angled triangle is positioned on the right side of the middle point of the bottom side of the isosceles triangle, and a sharp angle formed by the vertical right-angle side and the inclined side is positioned on the left side of the left end of the bottom side of the isosceles triangle.
The sliding frame 431 is provided with a circular groove body of a U-arc arch shape, the circular groove body is formed by an arc groove and a straight groove, the outer ring of the sliding frame 431 is of a U-arc arch shape, the inner ring of the sliding frame 431 is of a semicircular arch shape, a slide way is formed between the inner ring and the inner ring of the sliding frame 431, and the slide way comprises an arc slide way and a horizontal straight slide way.
The height of the through hole on the sleeve 41 is larger than the difference between the length of the crank 31 and the width of the slideway.
In use, the work to be displayed is inserted into the clear film pocket on the display frame 42 and the label is applied in the label area 421.
The invention operates by means of the driving of the motor 3, the motor 3 drives the crank 31 to rotate, the crank 31 drives the sliding frame 431 and the telescopic rod 43 to move up and down when rotating in the slideway, and the first shifting block 433a and the second shifting block 433b shift the display frame 42 in the process of moving up and down due to the up and down movement of the telescopic rod 43, so that the display frame 42 can turn pages.
When the crank 31 rotates in the arc-shaped slideway, the telescopic rod 43 is kept still, and at this time, the display state is realized, and when the crank 31 rotates in the horizontal straight slideway, the crank 31 drives the sliding frame 431 to move upwards and then downwards, and at this time, the page turning state is realized.
When the telescopic rod 43 moves upwards, the first shifting block 433a and the second shifting block 433b move upwards along with the telescopic rod 43, a sharp corner formed by a vertical edge and an inclined edge of the second shifting block 433b extends between two adjacent display frames 42 on the left side of the first shifting block 433a, the inclined edge of the second shifting block 433b shifts the display frames 42 to slide rightwards, after the crank 31 rotates through a middle point of the straight slide way, the display frames 42 slide to the right side of a vertex angle of the first shifting block 433a, at the moment, the telescopic rod 43 moves downwards, the first shifting block 433a and the second shifting block 433b fall downwards along with the telescopic rod 43, the first shifting block 433a shifts the display frames 42 to the right continuously, and a page turning effect is achieved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made to the technical solution of the present invention within the scope of disclosure without departing from the spirit of the present invention.
Claims (10)
1. An educational work display stand comprises a transparent protective cover (1), a base (2) and a motor (3), wherein the protective cover (1) is positioned on the top surface of the base (2), and the motor (3) is positioned inside the base (2), and is characterized by further comprising a display stand body (4);
the showing stand body (4) is composed of a sleeve (41), a showing frame (42) and an expansion rod (43), the sleeve (41) is located in the protective cover (1), the bottom of the sleeve (41) is vertically connected with the top surface of the base (2), a plurality of groups of lantern rings (411) are sleeved on the periphery of the sleeve (41), each group of lantern rings (411) is composed of two oppositely arranged lantern rings (411), annular grooves with the same size and opposite opening directions are formed in the opposite surfaces of each group of lantern rings (411), vertical strip-shaped through holes (412) are formed in the sleeve (41) above and below each group of lantern rings (411), and the through holes (412) are communicated with the inner wall and the outer wall of the sleeve (41);
the display frames (42) are rectangular frame bodies, a plurality of display frames (42) are arranged, two ends of one side edge of each display frame (42) protrude out of the frame bodies and extend into the annular grooves of each group of lantern rings (411), transparent film bags are arranged on two surfaces of each display frame (42), and the display frames (42) are radially arranged among the lantern rings (411);
the telescopic rod (43) is arranged in the sleeve (41) in a penetrating way and is in a sliding state up and down in the sleeve (41), the bottom of the telescopic rod (43) penetrates through the top surface of the base (2) and extends into the base (2), the bottom of the telescopic rod (43) is connected with a sliding frame (431), the sliding frame (431) is an arc-shaped annular groove body, a connecting rod (432) is connected to the position of the telescopic rod (43) corresponding to the through hole (412), the outer end of the connecting rod (432) extending out of the through hole (412) above each group of lantern rings (411) is connected with a first shifting block (433 a), the outer end of the connecting rod (432) extending out of the through hole (412) below each group of lantern rings (411) is connected with a first shifting block (433 b), the inner end of the connecting rod (432) is vertically connected with the telescopic rod (43), the first shifting block (433 a) and the second shifting block (433 b) are provided with sharp corners and inclined edges, and the sharp corners of the first shifting block (433 a) and the second shifting block (433 b) are staggered and opposite;
the output of motor (3) is provided with crank (31), the inner ring of cyclic annular cell body is arranged in to the upper end of crank (31), and in the slide of the arcuate cyclic annular cell body of major arc was arranged in to the lower extreme of crank (31), crank (31) length is unanimous with the radius of smooth frame (431).
2. The display stand of claim 1, wherein the display frame (42) is disposed on both sides of the first dial block (433 a).
3. A display stand of educational works according to claim 1, wherein the side of the display frame (42) remote from the sleeve (41) is provided with a label area (421), and the label areas (421) of the plurality of display frames (42) in the same set of collars (411) are offset from each other.
4. An educational work display stand according to claim 1, wherein the through holes (412) above and below each set of collars (411) are offset or on the same vertical line, and when the through holes (412) above and below each set of collars (411) are offset, the through holes (412) above each set of collars (411) are on the same vertical line and the through holes (412) below each set of collars (411) are on the same vertical line.
5. An educational work display stand according to claim 1, wherein the first dial block (433 a) and the second dial block (433 b) are triangular arc-shaped plate bodies coaxial with the sleeve (41).
6. An educational work display stand according to claim 5, wherein the first dial (433 a) is an isosceles triangle with a downward vertex angle, the second dial (433 b) is a right triangle, and the inclined side of the isosceles triangle facing the right triangle and the inclined side of the right triangle are parallel to each other.
7. An educational work display stand according to claim 6, wherein the vertical height from any point on the inclined side of the isosceles triangle to the inclined side of the right triangle corresponds to the height of the display frame (42).
8. The educational work display stand of claim 6, wherein the angle between the horizontal right-angle side and the oblique side of the right-angle triangle is located on the right side of the midpoint of the base of the isosceles triangle, and the angle between the vertical right-angle side and the oblique side is located on the left side of the left end of the base of the isosceles triangle.
9. The educational work display stand according to claim 1, wherein the sliding frame (431) is a major arc arched annular groove body composed of an arc groove and a straight groove, the outer ring of the sliding frame (431) is a major arc arched shape, the inner ring is a semi-circular arched shape, and a slideway is formed between the inner ring and the inner ring of the sliding frame (431).
10. An educational work display stand according to claim 9, wherein the height of the through hole in the sleeve (41) is greater than the difference between the length of the crank and the width of the slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158626.0A CN111481017B (en) | 2020-03-09 | 2020-03-09 | Educational work show shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158626.0A CN111481017B (en) | 2020-03-09 | 2020-03-09 | Educational work show shelf |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111481017A true CN111481017A (en) | 2020-08-04 |
| CN111481017B CN111481017B (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010158626.0A Active CN111481017B (en) | 2020-03-09 | 2020-03-09 | Educational work show shelf |
Country Status (1)
| Country | Link |
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| CN (1) | CN111481017B (en) |
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| EP0314116A2 (en) * | 1987-10-28 | 1989-05-03 | Esselte Pendaflex Corporation | Desk top copy holder |
| EP0427898A1 (en) * | 1989-02-04 | 1991-05-22 | Chieh-Ju Chen | Reading stand with page turning mechanism |
| US20040094677A1 (en) * | 2002-08-30 | 2004-05-20 | James Guo | Book holder on the steering wheel |
| US20040187669A1 (en) * | 2003-03-26 | 2004-09-30 | Steffens Robert S. | Page turning arrangement |
| JP2010247531A (en) * | 2009-03-24 | 2010-11-04 | Osamu Furuichi | Device for freely turning over page of music score and music stand |
| US7939739B1 (en) * | 2010-01-11 | 2011-05-10 | Pageflip, Inc. | Page turner with moving page retaining arms and method of operation |
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| CN102874007A (en) * | 2011-07-14 | 2013-01-16 | 石军 | Music score turning stand |
| CN204808864U (en) * | 2015-08-13 | 2015-11-25 | 黑河学院 | Piano performance music stand |
| CN205364895U (en) * | 2016-03-03 | 2016-07-06 | 四川农业大学 | Device convenient to turn over page or leaf to books |
| CN205416809U (en) * | 2016-03-18 | 2016-08-03 | 山西大同大学 | Music book automatic page turning ware |
| CN205661193U (en) * | 2016-06-08 | 2016-10-26 | 冯源 | Novel book machine turns over |
| CN206148101U (en) * | 2016-11-07 | 2017-05-03 | 唐山师范学院 | Promote university student's publicity column of obtaining employment |
| CN206460773U (en) * | 2017-02-24 | 2017-09-01 | 佳木斯大学 | A kind of Piano for teaching music easel |
| CN206726752U (en) * | 2017-03-10 | 2017-12-08 | 高子桓 | Music score of Chinese operas automatic leaf turner |
| CN207173101U (en) * | 2017-09-26 | 2018-04-03 | 王运东 | A kind of piano slidingtype music leaf turner |
| CN109050052A (en) * | 2018-10-30 | 2018-12-21 | 孔伟伟 | A kind of automatic page turning device for books |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0314116A2 (en) * | 1987-10-28 | 1989-05-03 | Esselte Pendaflex Corporation | Desk top copy holder |
| EP0427898A1 (en) * | 1989-02-04 | 1991-05-22 | Chieh-Ju Chen | Reading stand with page turning mechanism |
| US20040094677A1 (en) * | 2002-08-30 | 2004-05-20 | James Guo | Book holder on the steering wheel |
| US20040187669A1 (en) * | 2003-03-26 | 2004-09-30 | Steffens Robert S. | Page turning arrangement |
| JP2010247531A (en) * | 2009-03-24 | 2010-11-04 | Osamu Furuichi | Device for freely turning over page of music score and music stand |
| US7939739B1 (en) * | 2010-01-11 | 2011-05-10 | Pageflip, Inc. | Page turner with moving page retaining arms and method of operation |
| US20110188231A1 (en) * | 2010-02-01 | 2011-08-04 | Manera Jeffrey J | Compact Page Turning Device |
| CN102874007A (en) * | 2011-07-14 | 2013-01-16 | 石军 | Music score turning stand |
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| CN205364895U (en) * | 2016-03-03 | 2016-07-06 | 四川农业大学 | Device convenient to turn over page or leaf to books |
| CN205416809U (en) * | 2016-03-18 | 2016-08-03 | 山西大同大学 | Music book automatic page turning ware |
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| CN206460773U (en) * | 2017-02-24 | 2017-09-01 | 佳木斯大学 | A kind of Piano for teaching music easel |
| CN206726752U (en) * | 2017-03-10 | 2017-12-08 | 高子桓 | Music score of Chinese operas automatic leaf turner |
| CN207173101U (en) * | 2017-09-26 | 2018-04-03 | 王运东 | A kind of piano slidingtype music leaf turner |
| CN109050052A (en) * | 2018-10-30 | 2018-12-21 | 孔伟伟 | A kind of automatic page turning device for books |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111481017B (en) | 2021-03-26 |
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