CN112435638A - Piano supporting leg and foot leveling device - Google Patents
Piano supporting leg and foot leveling device Download PDFInfo
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- CN112435638A CN112435638A CN202011346521.4A CN202011346521A CN112435638A CN 112435638 A CN112435638 A CN 112435638A CN 202011346521 A CN202011346521 A CN 202011346521A CN 112435638 A CN112435638 A CN 112435638A
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C9/00—Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C1/00—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
- G10C1/04—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards of grand pianos
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Abstract
The invention relates to the technical field of piano supporting legs and feet, and discloses a piano supporting leg and foot leveling device which comprises a piano body, supporting legs, a height adjusting mechanism and a leveling mechanism, wherein the supporting legs are arranged at the bottom of the piano body, the height adjusting mechanism is arranged at the upper end inside the supporting legs, and the leveling mechanism is arranged at the lower end inside the supporting legs. This piano supporting leg foot leveling device, it rotates to drive the second pivot through rotating the second hand wheel, make the epaxial third umbrella wheel of second rotate and drive the fourth umbrella wheel and rotate, thereby drive the second threaded rod and rotate and promote the leveling post downwards, the supporting seat that the lower extreme is connected is promoted to the leveling post moves downwards, until the bottom contact ground of supporting seat, avoided leading to the unsettled phenomenon of rocking that produces of one of them supporting leg of piano because the ground is uneven, make the piano also can steadily place on uneven ground, need not move the piano, the practicality is improved.
Description
Technical Field
The invention relates to the technical field of piano supporting legs and feet, in particular to a piano supporting leg and foot leveling device.
Background
The standard range of modern grand pianos is 88 tones, 71/3 sets in common parlance, the standard range of upright pianos including 85 tones, i.e. 7 sets, 71/3 sets of upright pianos, small grand pianos sometimes having 7 sets of ranges, and upright pianos sometimes having 61/2 sets or smaller ranges for reduced size (children's instruments), which can reduce bass or treble, or both, grand pianos are used for large shows or professionals. The piano adopts a design scheme that the strings are staggered, so that the height and the thickness are effectively saved. The piano height before this is up to 2.4 metres. Grand piano is 2.7 meters long. The application of the clef number: a high-pitched part: the high-pitch music score number is recorded without tone shifting; bass section: low tone music score, no transposition note. The structure is as follows: the piano string comprises six parts, namely a piano string, a sound board, supporting legs, a keyboard system (comprising black and white keys and a string-striking hammer), a pedal machine (comprising a mandril and a pedal) and a shell.
The phenomenon is rocked in the ground of unevenness to current piano supporting leg, and the reason is because in three supporting leg, the bottom of one of them supporting leg is for contacting ground, and current piano supporting leg can't carry out this leveling, and the height of current piano also can't be adjusted moreover.
Disclosure of Invention
The invention aims to provide a piano supporting leg and foot leveling device to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a piano supporting leg foot levelling device, includes piano body, supporting leg, height control mechanism and levelling mechanism, the bottom of piano body is provided with the supporting leg, the inside upper end of supporting leg is provided with height control mechanism, the inside lower extreme of supporting leg is provided with levelling mechanism.
Height adjusting mechanism comprises adjustment tank, first bearing, first pivot, first hand wheel, first bevel wheel and second bevel wheel, the inside antetheca lower extreme fixed mounting of adjustment tank has first bearing, the back of first bearing rotates and is connected with first pivot, the rear end fixed mounting of first pivot has first bevel wheel, the axis body fixed mounting of first pivot has first bevel wheel, the upper end meshing of first bevel wheel has the second bevel wheel.
Leveling mechanism comprises leveling groove, third bearing, second pivot, second hand wheel, third bevel wheel and fourth bevel wheel, leveling groove's inside antetheca upper end fixed mounting has the third bearing, the back of third bearing rotates and is connected with the second pivot, the rear end fixed mounting of second pivot has the second hand wheel, the axis body fixed mounting of second pivot has the third bevel wheel, the lower extreme meshing of third bevel wheel has the fourth bevel wheel.
Preferably, the inside rear wall lower extreme fixed mounting of adjustment tank has the second bearing, the inside rotation of second bearing is connected with first pivot, the inside lower extreme fixed mounting of adjustment tank has first fixed plate, the bottom fixed mounting of first fixed plate has bearing one, the inside rotation of bearing one is connected with first threaded rod, the bottom fixed mounting of first threaded rod has the second umbrella wheel.
Preferably, first spout has been seted up to the inside antetheca upper end of adjustment tank, the inside sliding connection of first spout has first slide, the back fixedly connected with of first slide adjusts the post, first internal thread hole has been seted up to the inside of adjusting the post, the inside threaded connection in first internal thread hole has first threaded rod, the quantity of first spout is 3, sets up respectively at the inside antetheca, left wall and the back wall of adjustment tank, and the inside of every first spout is slide of fixedly connected with all, and every slide is fixed connection at the outer wall of adjusting the post all, the top fixedly connected with connecting block of adjusting the post, the last fixed surface of connecting block is connected with the connecting plate, the last fixed surface of connecting plate installs the piano body.
Preferably, the upper surface of the supporting leg is provided with a containing groove, and the inner bottom wall of the containing groove is bonded with an annular rubber pad.
Preferably, the fixed mounting has a fourth bearing on the inside back wall of leveling groove, the internal rotation of fourth bearing is connected with the second pivot, the inside fixed mounting in leveling groove has the second fixed plate, the last fixed surface of second fixed plate installs bearing two, the internal rotation of bearing two is connected with the second threaded rod, the top fixed mounting of second threaded rod has the fourth umbrella wheel.
Preferably, the second spout has been seted up to the inside antetheca lower extreme in levelling groove, the inside sliding connection of second spout has the second slide, the back fixedly connected with levelling post of second slide, the quantity of second spout is 4, sets up respectively in the inside four walls in levelling groove, the second internal thread hole has been seted up to the inside of levelling post, the internal thread in second internal thread hole is connected with the second threaded rod, the bottom fixed mounting of levelling post has the supporting seat, the rubber sleeve has been cup jointed to the bottom of supporting seat.
Preferably, the adjustment tank has been seted up to the inside upper end of supporting leg, the leveling groove has been seted up to the inside lower extreme of supporting leg, the sliding opening has been seted up to the right wall upper end of supporting leg, what the inside of sliding opening was good is connected with the instruction post, the regulation post is installed to the left wall of instruction post, the right side upper end fixed mounting of supporting leg has the scale strip.
Preferably, the front middle part upper end fixed mounting of piano body places the board, the upper surface of piano body articulates there is the piano apron, the upper surface of piano body is provided with the bracing piece, the bottom fixed mounting connecting plate of piano body, the bottom of connecting plate is provided with the tread.
Compared with the prior art, the invention provides a piano supporting leg and foot leveling device. The method has the following beneficial effects:
1. this piano supporting leg foot leveling device, it rotates to drive the second pivot through rotating the second hand wheel, make the epaxial third umbrella wheel of second rotate and drive the fourth umbrella wheel and rotate, thereby drive the second threaded rod and rotate and promote the leveling post downwards, the supporting seat that the lower extreme is connected is promoted to the leveling post moves downwards, until the bottom contact ground of supporting seat, avoided leading to the unsettled phenomenon of rocking that produces of one of them supporting leg of piano because the ground is uneven, make the piano also can steadily place on uneven ground, need not move the piano, the practicality is improved.
2. This piano supporting leg foot leveling device drives first pivot through rotating first hand wheel and rotates, makes first epaxial first umbrella wheel drive second umbrella wheel and rotates to drive first threaded rod and rotate and will adjust the post and upwards promote, thereby make the connecting block rise and highly heighten the piano, adjust the height of piano respectively, the user of being convenient for different heights uses.
3. This piano supporting leg foot leveling device through set up instruction post and scale strip on the right side of supporting leg, and convenient to use person looks over the height-adjusting scale when highly adjusting piano, and convenient to use person is when highly adjusting, the height of accuse regulation.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a right side view of the support leg of the present invention;
FIG. 3 is a schematic view of a slide port structure according to the present invention;
FIG. 4 is a schematic diagram of a right side cross-sectional view of the support leg of the present invention;
FIG. 5 is a schematic view of the height adjustment mechanism of the present invention;
FIG. 6 is a schematic structural diagram of a leveling mechanism according to the present invention.
In the figure: 1 piano body, 2 supporting legs, 3 height adjusting mechanisms, 301 adjusting grooves, 302 first bearings, 303 first rotating shafts, 304 first bevel wheels, 305 second bearings, 306 hand wheels, 307 second bevel wheels, 308 first threaded rods, 4 leveling mechanisms, 401 leveling grooves, 402 third bearings, 403 second rotating shafts, 404 third bevel wheels, 405 second hand wheels, 406 fourth bearings, 407 fourth bevel wheels, 408 second threaded rods, 5 first fixing plates, 6 bearing I, 7 first sliding plates, 8 first sliding grooves, 9 adjusting columns, 10 first internal threaded holes, 11 accommodating grooves, 12 annular rubber pads, 13 connecting blocks, 14 connecting plates, 15 second fixing plates, 16 bearing II, 17 second sliding grooves, 18 second sliding plates, 19 leveling columns, 20 second internal threaded holes, 21 supporting seats, 22 rubber sleeves, 23 sliding ports, 24 indicating columns, 25 scale bars, 26 piano cover plates, 27 placing plates, 28 supporting rods, 29 connecting plates, 28 supporting rods, And (6) treading the board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a piano supporting leg foot levelling device, includes piano body 1, supporting leg 2, height adjusting mechanism 3 and levelling mechanism 4, and the bottom of piano body 1 is provided with supporting leg 2, and the inside upper end of supporting leg 2 is provided with height adjusting mechanism 3, and the inside lower extreme of supporting leg 2 is provided with levelling mechanism 4, and supporting leg 2's upper surface has been seted up and has been accomodate groove 11, and the inside diapire of accomodating groove 11 bonds and has had annular rubber pad 12.
The height adjusting mechanism 3 comprises an adjusting groove 301, a first bearing 302, a first rotating shaft 303, a first hand wheel 306, a first umbrella wheel 304 and a second umbrella wheel 307, the lower end of the inner front wall of the adjusting groove 301 is fixedly provided with the first bearing 302, the back of the first bearing 302 is rotatably connected with the first rotating shaft 303, the rear end of the first rotating shaft 303 is fixedly provided with the first hand wheel 306, the shaft body of the first rotating shaft 303 is fixedly provided with the first umbrella wheel 304, the upper end of the first umbrella wheel 304 is meshed with the second umbrella wheel 307, the lower end of the inner rear wall of the adjusting groove 301 is fixedly provided with the second bearing 305, the inner part of the second bearing 305 is rotatably connected with the first rotating shaft 303, the lower end of the inner part of the adjusting groove 301 is fixedly provided with a first fixing plate 5, the bottom of the first fixing plate 5 is fixedly provided with a bearing I6, the inner part of the bearing I6 is rotatably connected with a first threaded rod 308, the bottom, the upper end of the inner front wall of the adjusting groove 301 is provided with a first sliding groove 8, the inner part of the first sliding groove 8 is connected with a first sliding plate 7 in a sliding manner, the back surface of the first sliding plate 7 is fixedly connected with an adjusting column 9, the inner part of the adjusting column 9 is provided with a first internal threaded hole 10, the inner thread of the first internal threaded hole 10 is connected with a first threaded rod 308, the number of the first sliding grooves 8 is 3, the first sliding grooves are respectively arranged on the inner front wall, the left wall and the rear wall of the adjusting groove 301, the inner part of each first sliding groove is fixedly connected with a sliding plate, each sliding plate is fixedly connected with the outer wall of the adjusting column 9, the top end of the adjusting column 9 is fixedly connected with a connecting block 13, the upper surface of the connecting block 13 is fixedly connected with a connecting plate 14, the piano body 1 is fixedly arranged on the upper surface of the connecting plate 14, the first umbrella wheel 304 on the first rotating shaft 303, thereby drive first threaded rod 308 and rotate and will adjust the post 9 and upwards promote to make connecting block 13 rise and heighten the height of piano, adjust the height of piano respectively, the user of the different heights of being convenient for uses.
The leveling mechanism 4 comprises a leveling groove 401, a third bearing 402, a second rotating shaft 403, a second hand wheel 405, a third umbrella wheel 404 and a fourth umbrella wheel 407, the upper end of the inner front wall of the leveling groove 401 is fixedly provided with the third bearing 402, the back of the third bearing 402 is rotatably connected with the second rotating shaft 403, the rear end of the second rotating shaft 403 is fixedly provided with the second hand wheel 405, the shaft body of the second rotating shaft 403 is fixedly provided with the third umbrella wheel 404, the lower end of the third umbrella wheel 404 is engaged with the fourth umbrella wheel 407, the upper end of the inner rear wall of the leveling groove 401 is fixedly provided with the fourth bearing 406, the inner part of the fourth bearing 406 is rotatably connected with the second rotating shaft 403, the inner part of the leveling groove 401 is fixedly provided with a second fixing plate 15, the upper surface of the second fixing plate 15 is fixedly provided with a second bearing 16, the inner part of the second bearing 16 is rotatably connected with a second threaded rod 408, the top end of the second threaded rod, the lower end of the inner front wall of the leveling groove 401 is provided with a second sliding groove 17, the inner part of the second sliding groove 17 is connected with a second sliding plate 18 in a sliding manner, the back of the second sliding plate 18 is fixedly connected with a leveling post 19, the number of the second sliding grooves 17 is 4, the second sliding grooves are respectively arranged on the inner four walls of the leveling groove 401, the inner part of the leveling post 19 is provided with a second internal threaded hole 20, the inner thread of the second internal threaded hole 20 is connected with a second threaded rod 408, the bottom end of the leveling post 19 is fixedly provided with a supporting seat 21, the bottom of the supporting seat 21 is sleeved with a rubber sleeve 22, the second rotating shaft 403 is driven to rotate by rotating a second hand wheel 405, a third umbrella wheel 404 on the second rotating shaft 403 drives a fourth umbrella wheel 407 to rotate, thereby driving the second threaded rod 408 to rotate and push the leveling post 19 downwards, the leveling post 19 pushes the supporting seat 21 connected with the lower end downwards until the, the phenomenon of rocking caused by suspension of one of the supporting legs of the piano due to uneven ground is avoided, so that the piano can be stably placed on the uneven ground without moving the piano, and the practicability of the piano is improved.
In the actual operation process, when the device is used, the second hand wheel 405 is rotated to drive the second rotating shaft 403 to rotate, the third umbrella wheel 404 on the second rotating shaft 403 drives the fourth umbrella wheel 407 to rotate, so that the second threaded rod 408 is driven to rotate and the leveling post 19 is driven to move downwards, the leveling post 19 pushes the supporting seat 21 connected with the lower end to move downwards until the bottom of the supporting seat 21 contacts the ground, the shaking phenomenon caused by suspension of one supporting leg of the piano due to uneven ground is avoided, the piano can be stably placed on uneven ground without moving the piano, and the practicability of the piano is improved; the first hand wheel 306 is rotated to drive the first rotating shaft 303 to rotate, so that the first umbrella wheel 304 on the first rotating shaft 303 drives the second umbrella wheel 307 to rotate, the first threaded rod 308 is driven to rotate, the adjusting column 9 is pushed upwards, the connecting block 13 is lifted to adjust the height of the piano, the heights of the pianos are adjusted respectively, and users with different heights can use the piano conveniently; through setting up instruction post 24 and scale bar 25 on the right side at supporting leg 2, convenient to use person looks over the height-adjusting scale when highly adjusting the piano, and convenient to use person is when highly adjusting, the height of accuse regulation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a piano supporting leg foot levelling device, includes piano body (1), supporting leg (2), height adjusting mechanism (3) and levelling mechanism (4), its characterized in that: the bottom of the piano body (1) is provided with a supporting leg (2), the upper end of the inside of the supporting leg (2) is provided with a height adjusting mechanism (3), and the lower end of the inside of the supporting leg (2) is provided with a leveling mechanism (4);
the height adjusting mechanism (3) comprises an adjusting groove (301), a first bearing (302), a first rotating shaft (303), a first hand wheel (306), a first umbrella wheel (304) and a second umbrella wheel (307), the first bearing (302) is fixedly installed at the lower end of the inner front wall of the adjusting groove (301), the first rotating shaft (303) is rotatably connected to the back of the first bearing (302), the first hand wheel (306) is fixedly installed at the rear end of the first rotating shaft (303), the first umbrella wheel (304) is fixedly installed on the shaft body of the first rotating shaft (303), and the second umbrella wheel (307) is meshed with the upper end of the first umbrella wheel (304);
leveling mechanism (4) comprise leveling groove (401), third bearing (402), second pivot (403), second hand wheel (405), third bevel wheel (404) and fourth bevel wheel (407), leveling groove's (401) inside antetheca upper end fixed mounting has third bearing (402), the back of third bearing (402) rotates and is connected with second pivot (403), the rear end fixed mounting of second pivot (403) has second hand wheel (405), the axis body fixed mounting of second pivot (403) has third bevel wheel (404), the lower extreme meshing of third bevel wheel (404) has fourth bevel wheel (407).
2. A piano supporting leg and foot leveling device as claimed in claim 1, wherein: wall lower extreme fixed mounting has second bearing (305) behind the inside of adjustment tank (301), the internal rotation of second bearing (305) is connected with first pivot (303), the inside lower extreme fixed mounting of adjustment tank (301) has first fixed plate (5), the bottom fixed mounting of first fixed plate (5) has bearing (6), the internal rotation of bearing (6) is connected with first threaded rod (308), the bottom fixed mounting of first threaded rod (308) has second umbrella wheel (307).
3. A piano supporting leg and foot leveling device as claimed in claim 1, wherein: a first sliding chute (8) is arranged at the upper end of the inner front wall of the adjusting groove (301), a first sliding plate (7) is connected in the first sliding chute (8) in a sliding manner, the back of the first sliding plate (7) is fixedly connected with an adjusting column (9), a first internal threaded hole (10) is formed in the adjusting column (9), the inner thread of the first internal thread hole (10) is connected with a first threaded rod (308), the number of the first sliding chutes (8) is 3, the first sliding chutes are respectively arranged on the front wall, the left wall and the rear wall of the inner part of the adjusting groove (301), and the inside of each first sliding chute is fixedly connected with a sliding plate, each sliding plate is fixedly connected with the outer wall of the adjusting column (9), the top end of the adjusting column (9) is fixedly connected with a connecting block (13), the upper surface of the connecting block (13) is fixedly connected with a connecting plate (14), the upper surface fixed mounting of connecting plate (14) has piano body (1).
4. A piano supporting leg and foot leveling device as claimed in claim 1, wherein: the upper surface of the supporting leg (2) is provided with a containing groove (11), and an annular rubber pad (12) is bonded to the inner bottom wall of the containing groove (11).
5. A piano supporting leg and foot leveling device as claimed in claim 1, wherein: the utility model discloses a bearing assembly, including leveling groove (401), the inside rear wall upper end fixed mounting of leveling groove (401) has fourth bearing (406), the inside rotation of fourth bearing (406) is connected with second pivot (403), the inside fixed mounting of leveling groove (401) has second fixed plate (15), the last fixed surface of second fixed plate (15) installs bearing two (16), the inside rotation of bearing two (16) is connected with second threaded rod (408), the top fixed mounting of second threaded rod (408) has fourth bevel wheel (407).
6. A piano supporting leg and foot leveling device as claimed in claim 1, wherein: second spout (17) have been seted up to the inside antetheca lower extreme of leveling groove (401), the inside sliding connection of second spout (17) has second slide (18), back fixedly connected with leveling post (19) of second slide (18), the quantity of second spout (17) is 4, sets up respectively in the inside four walls of leveling groove (401), second internal thread hole (20) have been seted up to the inside of leveling post (19), the internal thread of second internal thread hole (20) is connected with second threaded rod (408), the bottom fixed mounting of leveling post (19) has supporting seat (21), rubber sleeve (22) have been cup jointed to the bottom of supporting seat (21).
7. A piano supporting leg and foot leveling device as claimed in claim 1, wherein: adjustment tank (301) have been seted up to the inside upper end of supporting leg (2), leveling groove (401) have been seted up to the inside lower extreme of supporting leg (2), sliding opening (23) have been seted up to the right wall upper end of supporting leg (2), what inside of sliding opening (23) was good is connected with instruction post (24), regulation post (9) are installed to the left wall of instruction post (24), the right side upper end fixed mounting of supporting leg (2) has scale strip (25).
8. A piano supporting leg and foot leveling device as claimed in claim 1, wherein: the piano comprises a piano body (1), wherein a placing plate (27) is fixedly mounted at the upper end of the middle of the front surface of the piano body (1), a piano cover plate (26) is hinged to the upper surface of the piano body (1), a supporting rod (28) is arranged on the upper surface of the piano body (1), a connecting plate (29) is fixedly mounted at the bottom of the piano body (1), and a pedal (30) is arranged at the bottom end of the connecting plate (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011346521.4A CN112435638A (en) | 2020-11-26 | 2020-11-26 | Piano supporting leg and foot leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011346521.4A CN112435638A (en) | 2020-11-26 | 2020-11-26 | Piano supporting leg and foot leveling device |
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| Publication Number | Publication Date |
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| CN112435638A true CN112435638A (en) | 2021-03-02 |
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|---|---|---|---|
| CN202011346521.4A Pending CN112435638A (en) | 2020-11-26 | 2020-11-26 | Piano supporting leg and foot leveling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001169848A (en) * | 1999-12-20 | 2001-06-26 | Koichi Izumimoto | Chair for piano, or the like |
| KR20130002103U (en) * | 2011-09-26 | 2013-04-03 | 한영근 | piano jack using lever system |
| KR20140004485U (en) * | 2013-01-19 | 2014-07-30 | 김희경 | A piano with a height ajustable pedal |
| CN208796653U (en) * | 2018-09-26 | 2019-04-26 | 李洋 | A kind of piano for capableing of automatic lifting adjusting |
| CN209591503U (en) * | 2018-12-28 | 2019-11-05 | 南雄市海伦罗曼钢琴有限公司 | A kind of piano frame with height-adjustable function |
| CN211929028U (en) * | 2019-09-02 | 2020-11-13 | 南安市商宏机械科技有限公司 | Upright piano capable of correcting level |
| CN211929029U (en) * | 2020-04-08 | 2020-11-13 | 浙江乐韵钢琴有限公司 | Adjustable piano truckle |
-
2020
- 2020-11-26 CN CN202011346521.4A patent/CN112435638A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001169848A (en) * | 1999-12-20 | 2001-06-26 | Koichi Izumimoto | Chair for piano, or the like |
| KR20130002103U (en) * | 2011-09-26 | 2013-04-03 | 한영근 | piano jack using lever system |
| KR20140004485U (en) * | 2013-01-19 | 2014-07-30 | 김희경 | A piano with a height ajustable pedal |
| CN208796653U (en) * | 2018-09-26 | 2019-04-26 | 李洋 | A kind of piano for capableing of automatic lifting adjusting |
| CN209591503U (en) * | 2018-12-28 | 2019-11-05 | 南雄市海伦罗曼钢琴有限公司 | A kind of piano frame with height-adjustable function |
| CN211929028U (en) * | 2019-09-02 | 2020-11-13 | 南安市商宏机械科技有限公司 | Upright piano capable of correcting level |
| CN211929029U (en) * | 2020-04-08 | 2020-11-13 | 浙江乐韵钢琴有限公司 | Adjustable piano truckle |
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Application publication date: 20210302 |