JP2768273B2 - Musical instrument support for keyboard instruments - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a musical instrument supporting device for a keyboard instrument, which is provided on a keyboard instrument such as an electronic piano and supports the musical instrument at a predetermined angle.

[0002]

2. Description of the Related Art Conventionally, as a musical instrument supporting device for a keyboard instrument of this kind, Japanese Utility Model Publication No. 53-2041 (hereinafter referred to as the first
This is disclosed in JP-A-63-22892 (hereinafter referred to as a second conventional example).

[0003] In the first prior art, when a musical score plate is supported at an angle set in advance, if the musical score plate is raised by hand on the keyboard side (player side), the support slides inside the guide member. While standing up with the music board. Then, in a state where the music board is raised up to the lower end edge of the guide member so that the locking portion of the support rises to the maximum, if the music plate is returned in a direction opposite to the rising direction, the locking portion of the support becomes the back surface of the music plate. The music plate is engaged in the engagement portion while being in contact with, and is held in a locked state, and the music score plate is supported on the top plate at a predetermined angle. Further, if the engaging portion of the support is removed from the engaging portion, the music score plate is folded on the top plate in a state of being folded on the support.

[0004] In the second prior art, when the musical score plate is supported at an angle set in advance, if the musical score plate is raised by the keyboard side by hand, the other rotating member will be moved upright by the musical score plate. The music plate is rotated in association with one of the rotation members from the middle, and the stopper comes into contact with the upper surface of the fixed member, whereby the music score plate is supported on the top plate at a predetermined angle. Also, once the musical score plate is lowered to the keyboard side until one of the rotating members stops rotating,
Next, when the musical score plate is tilted to the opposite side of the keyboard, one of the rotating members can be rotated to the opposite side of the keyboard. The rotating member overlaps with the fixed member, and the musical score plate is folded on the top plate.

[0005]

However, in both of the first and second prior arts described above, it is not possible to smoothly move the musical score plate from the unused state to the used state and vice versa. In order to perform the operation smoothly, there is a problem that a complicated mechanism is required and the cost is increased.

In both of the first and second prior art examples, the music plate in use is supported upright on the top plate, so that the position of the music plate in use is far away from the player. This is inconvenient when the player writes notes on the music.

The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a music score plate having a simple configuration and not increasing the cost. The device for supporting a musical instrument for a keyboard instrument, in which the user can smoothly move from the non-use state to the use state and vice versa, and the position of the music plate in the use state becomes closer to the player, making it easier to write notes on the music sheet. It is intended to provide.

[0008]

According to a first aspect of the present invention, there is provided a musical instrument supporting device for a keyboard instrument, comprising: a musical score plate; and a base on which the musical score plate is placed. A music score plate support pedestal disposed between the base and the keyboard lower than the base via a step, and a first fixing member provided on a back surface of an intermediate portion of the music score plate; A second fixing member provided on the base, a turning member rotatably connected to the first fixing member and the second fixing member so as to be rotatable around an axis along a key arrangement direction of a keyboard, A music score holding portion for holding the music score in a use state, wherein a center of a first connection shaft connecting the first fixing member and the rotating member, the second fixing member, and the rotating member are formed. The distance between the center of the second connection shaft to be connected is L1 and the distance between the center of the second connection shaft and the keyboard end of the base is L2. , If the distance between the center and the keyboard end of the music rack of the first connecting shaft to the L3, L3 =
L1 + L2 is satisfied, and the musical score plate is placed down on the base by rotating in one direction so that the first connection shaft is located on the side opposite to the keyboard from the second connection shaft, and is not used. The first connection shaft is turned in the other direction so as to be located on the keyboard side of the second connection shaft with respect to the keyboard, so that the first connection shaft is supported upright on the music score plate support base to be used. Things.

In order to achieve the same object, a musical instrument supporting device for a keyboard instrument according to a second invention (claim 2 ) of the present invention comprises:
A musical score plate, a base on which the musical score plate is placed, a musical score plate supporting base disposed between the base and the keyboard, and a first fixing member provided on a back surface of an intermediate portion of the musical score plate. A second fixing member provided on the base, and a rotating member rotatably connected to the first fixing member and the second fixing member so as to be rotatable about an axis along a key arrangement direction of a keyboard. A music plate holding portion for holding the music plate in a use state, wherein the music plate is arranged in a key arrangement direction of a keyboard with respect to a first connection shaft connecting the first fixing member and the rotating member. The music plate can be moved in a predetermined range in the key arrangement direction of the keyboard with respect to the first connection axis, so that the music plate is held in the music plate holding portion and is not held. A state may be set, and the music score plate may further include a second connecting shaft connecting the second fixing member and the rotating member. By rotating in one direction so as to be located on the opposite side of the keyboard from the connection shaft, the device is laid down on the base and becomes unused, and the first connection shaft is positioned closer to the keyboard than the second connection shaft. As a result, when the music sheet is rotated in the other direction, it is supported upright on the music score plate support base and is brought into a use state.

In order to achieve the same object, a musical instrument supporting device for a keyboard instrument according to a third aspect of the present invention (claim 3 )
A musical score plate, a base on which the musical score plate is placed, a musical score plate supporting base arranged via a step between the base and a keyboard positioned lower than the base, The first provided on the back of the intermediate part
A fixing member, a second fixing member provided on the base,
A turning member rotatably connected to the first fixing member and the second fixing member around an axis along a key arrangement direction of a keyboard, and a music score plate holding portion for holding the music score plate in a used state; The music plate is movable in a predetermined range in a key arrangement direction of a keyboard with respect to a first connection shaft connecting the first fixing member and the rotating member, and the music plate is moved to the first position. By moving a predetermined range in the key arrangement direction of the keyboard with respect to the connection axis,
A holding state and a non-holding state of the music board on the music board holding portion can be set, and further, a second connection shaft connecting the center of the first connection shaft, the second fixing member, and the rotating member The distance between the center of the second connecting shaft and the end of the base on the keyboard side is L2;
When the distance between the center of the connection shaft and the end of the music board on the keyboard side is L3, L3 = L1 + L2 is satisfied, and the music plate is such that the first connection shaft is opposite to the keyboard than the second connection shaft. By rotating in one direction so as to be located on the side, the device is placed on the base in an inverted state and is in a non-use state, and the other direction is such that the first connection shaft is located closer to the keyboard than the second connection shaft. By turning to, the music stand is supported upright on the musical score plate support base to be used.

[0011]

[0012]

[0013]

[0014]

According to the first aspect of the present invention, there is provided a musical instrument supporting apparatus for a keyboard instrument, wherein the base is rotated in one direction so that the first connecting shaft is located on the side opposite to the keyboard from the second connecting shaft. The first connection shaft is turned upside down on the musical score plate support base by rotating in the other direction so that the first connection shaft is located closer to the keyboard than the second connection shaft. It will be in use. This makes it possible to smoothly move the musical score plate from the unused state to the used state and vice versa, with a simple configuration and without increasing the cost,
In use, the position of the musical score plate is closer to the performer, and it is easy to write notes on the musical score.

According to a second aspect of the present invention, in addition to the function of the first aspect, the musical instrument supporting apparatus for a keyboard instrument according to the second aspect of the present invention further comprises a key arranging direction of the keyboard with respect to the first connecting shaft. By moving the music plate in the predetermined range, a holding state and a non-holding state of the music plate in the music plate holding portion can be set. Thereby, it is easy to perform the setting operation of the holding state and the non-holding state of the music board in the music board holding portion.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) First, a first embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram showing a configuration of a musical instrument supporting device for a keyboard instrument according to a first embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a base (top plate) of a keyboard instrument such as an electronic piano. Between the base 1 and a keyboard (not shown) at a lower position than the base 1, a musical score support 3
Are arranged. Reference numeral 4 denotes a music plate for resting a music score (not shown), which is placed on the base 1 when not in use (indicated by a two-dot chain line in the figure) and is supported upright on the music plate support 3 when used ( (The state of the solid line in a figure).

A first fixing member 5 is provided at an intermediate portion of the back surface of the music score plate 4.
However, a second fixing member 6 is fixed to the upper surface of the base 1 by screwing or the like. These first and second fixing members 5, 6 are made of a metal plate. First
A turning member 7 is interposed between the fixing member 5 and the second fixing member 6. The turning member 7 is made of the same metal plate as the first and second fixing members 5 and 6. Rotating member 7
Is rotatably connected to the first fixing member 5 via a first connection shaft 8 along a key arrangement direction of a keyboard (not shown). The other end of the rotating member 7 is connected to the second fixing member 6.
Are rotatably connected to each other via a second connecting shaft 9 along the key arrangement direction of the keyboard.

The distance between the center of the first connecting shaft 8 and the center of the second connecting shaft 9 is L1, and the distance between the center of the second connecting shaft 9 and the base 1
L2 is the distance between the keyboard side (performer side: left side in the figure) end 1a, and the distance between the center of the first connecting shaft 8 and the keyboard side (left side in the figure) end 4a of the musical score plate 4. Distance between L
When the number is 3, L3 = L1 + L2 is satisfied.

The musical score plate 4 has a structure in which the first connecting shaft 8 is connected to the second connecting shaft 9.
By rotating in one direction so as to be located further away from the keyboard side, it is laid down on the base 1 and becomes a non-use state (a state shown by a broken line in the figure). In addition, the musical score plate 4 is supported on the musical score plate support 3 by being pivoted in the other direction so that the first connecting shaft 8 is located closer to the keyboard than the second connecting shaft 9, so that the musical score plate 4 is used ( (The state shown by the solid line in the figure).

The musical score plate 4 is held in a used state by the musical score plate holding portion 10. The musical score plate holding portion 9 is provided with an engaging portion 10 comprising an uneven portion provided on the keyboard side end 4 a of the musical score plate 4.
a, provided on the musical score plate support 3 and the engaging portion 10
a to be engaged 10b comprising a concave and convex portion which is detachably engaged with a.
Consists of The engaging portion 10a is formed by fixing a plate-shaped member to the back surface of the keyboard-side end 4a of the musical score plate 4 with a screw or the like.
The engaged portion 10b is formed by fixing a member having a J-shaped cross section on the musical score plate support 3 by screwing or the like. When the musical score plate 4 is put into the use state, the music plate 4 is held in the use condition by engaging the engaging portion 10a with the engaged portion 10b. The music score support 3 is provided with a music score stopper 11 for stopping a music score (not shown) leaned against the music score plate 4 in use.

Next, the operation of the musical instrument supporting device for a keyboard instrument according to the present embodiment having the above-described configuration will be described.

First, the operation for changing the musical score plate 4 from the non-use state shown by the broken line in the figure to the use state shown by the solid line will be described. While the musical score plate 4 in the unused state is lifted upward by hand, the musical score plate 4 is rotated counterclockwise in the figure around the second connecting shaft 9. Then, when the first connection shaft 8 is located on the keyboard side of the second connection shaft 9, the musical score plate 4 is rotated counterclockwise in the figure around the first and second connection shafts 8 and 9. As a result, the rotating member 7 comes into contact with the base 1 and the engaging portion 10a of the music plate 4 is
Is engaged with the engaged portion 10b. As a result, as shown by the solid line in the figure, the musical score plate 4 is held in the used state in which the musical score plate 4 is erected and supported on the musical score plate support 3 at a predetermined angle.
The music score rests on the music score plate 4 thus used, and the music score leaning against the music score plate 11 does not move.

Next, a description will be given of an operation for bringing the musical score plate 4 in the used state into the unused state. When the musical score plate 4 in use is lifted upward by hand, the pivoting member 7 pivots clockwise in the figure around the second connecting shaft 9. With this rotation, the engaging portion 10a of the keyboard-side end 4a of the musical score plate 4 is disengaged from the engaged portion 10b on the musical score support 3. Thereafter, the musical score plate 4 is further rotated clockwise in the figure around the first and second connection shafts 9 and turned when the first connection shaft 8 is located on the side opposite to the keyboard with respect to the second connection shaft 9. The moving member 7 rotates about the first and second connecting shafts 8 and 9 in a direction in which the moving member 7 comes into contact with the back surface of the music score plate 4. Then, when the musical score plate 4 is further rotated clockwise in the drawing, the rotating member 7 on the rear surface side of the musical score plate 4 is brought into the same surface state as the first fixing member 5. As a result, as shown by the two-dot chain line in FIG.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG. FIG. 2 is a block diagram showing a configuration of a musical instrument supporting device for a keyboard instrument according to a second embodiment of the present invention. In FIG. 2, reference numeral 12 denotes a base (top plate) of a keyboard instrument such as an electronic piano. A musical score support 14 is disposed between the base 12 and a keyboard (not shown) at a lower position than the base 12 via a vertical step portion 13. Reference numeral 15 denotes a musical score plate for resting a musical score (not shown). The musical score plate 15 is placed on the base 12 when not in use (indicated by a two-dot chain line in the figure) and is supported upright on the musical score plate support 14 when used (see FIG. (The state of the solid line in a figure).

A first fixing member 16 is provided at an intermediate portion of the back surface of the music score plate 15, and a second fixing member 17 is provided at an upper surface of the base 12.
Are fixed by screws or the like. These first and second fixing members 16 and 17 are made of a metal plate. A turning member 18 is interposed between the first fixing member 16 and the second fixing member 17. The rotating member 18
Is made of the same metal plate as the first and second fixing members 16 and 17. One end of the rotating member 18 is rotatably connected to the first fixing member 16 via a first connecting shaft 19 along a key arrangement direction of a keyboard (not shown). The other end of the rotating member 18 is rotatably connected to the second fixing member 17 via a second connecting shaft 20 extending in the direction in which the keys of the keyboard are arranged.

The distance between the center of the first connecting shaft 19 and the center of the second connecting shaft 20 is represented by L1, and the keyboard side (left side in the figure) end 12a of the center of the second connecting shaft 20 and the base 12. Between the center of the first connecting shaft 19 and the musical score plate 1
Assuming that the distance from the keyboard side (left side in the figure) end portion 15a of L5 is L3, L3 = L1 + L2 is satisfied.

The musical score plate 15 is placed on the base 12 by being rotated in one direction so that the first connecting shaft 19 is located on the side opposite to the keyboard with respect to the second connecting shaft 20, and is not used. State (the state indicated by the two-dot chain line in the figure). In addition, music board 1
5 is supported upright on the music score plate support base 3 by rotating in the other direction so that the first connection shaft 19 is positioned closer to the keyboard than the second connection shaft 20, and is used (see the solid line in the drawing). State).

The musical score plate 15 is held in use by the musical score plate holding portion 21. The musical score plate holding portion 21 includes an engaging portion 21a provided at a keyboard side end portion 15a of the musical score plate 15,
An engaging portion 21b provided on the musical score support 14 and removably engaged with the engaging portion 21a. The engaging portion 21a is configured to connect the leaf spring member to the keyboard-side end 15a of the musical score plate 15.
Is fixed to the back surface with screws or the like. Engaged part 21
“b” is formed by fixing a member having an L-shaped cross section on a musical score support 14 by screwing or the like. When the musical score plate 15 is put into the use state, the music plate 15 is held in the use condition by engaging the engaging portion 21a with the engaged portion 21b.

The engaging portion 21a is biased by its own spring force in a direction to engage with the engaged portion 21b. The engagement between the engaging portion 21a and the engaged portion 21b can be released by operating a release button 22, which is a releasing operator provided on the keyboard side end portion 15a of the musical score plate 15. . One end of the release button 22 is fixed to the engaging portion 21 a, and the other end is movably inserted through the insertion hole 15 b of the musical score plate 15, and protrudes toward the front side of the musical score plate 15.
The musical score plate support 14 is provided with a musical score stopper 24 for stopping a musical score (not shown) leaned against the musical score plate 15 in use.

Next, the operation of the musical instrument supporting device for a keyboard instrument according to the present embodiment having the above-described configuration will be described.

First, an operation for changing the musical score plate 15 from a non-use state shown by a two-dot chain line in the figure to a use state shown by a solid line will be described. While the musical score plate 15 in the unused state is lifted upward by hand, the musical score plate 15 is turned around the second connecting shaft 20 in the counterclockwise direction in the figure. Then, when the first connection shaft 19 is located on the keyboard side of the second connection shaft 20,
By rotating the music plate 15 counterclockwise in the figure around the first and second connecting shafts 19 and 20, the engaging portion 21a of the music plate 15 is engaged with the engaged portion 2 of the music plate support base 14.
1b. As a result, as shown by the solid line in the figure, the musical score plate 15 is maintained in a used state in which the musical score plate 15 is supported upright on the musical score plate support base 14 at a predetermined angle. The musical score rests on the musical score plate 15 thus used. The musical score resting on the musical score plate 24 does not shift due to the musical score stopper 24.

Next, a description will be given of an operation for bringing the musical score plate 15 in the used state into the unused state. Release button 2
3, by pressing the engaging portion 21a against its spring force as shown by a two-dot chain line in the figure.
Pull out from the engaged portion 21b. When the musical score plate 15 in use is lifted upward by hand, the rotating member 18 rotates clockwise about the second connecting shaft 20 in the figure. Thereafter, the musical score plate 4 is further rotated clockwise in the figure around the second connecting shaft 20 so that the first connecting shaft 1
When the position 9 is located on the side opposite to the keyboard with respect to the second connecting shaft 20, the turning member 18 turns around the second connecting shaft 20 in a direction in which it contacts the upper surface of the base 12. Then, the music board 15 is further rotated clockwise in the figure around the second connecting shaft 20, so that the rotating member 7 comes into contact with the upper surface of the base 12. Thereafter, when the musical score plate 15 is rotated counterclockwise in the figure around the first connecting shaft 19, the rotating member 18 faces the first fixing member 16 on the back surface side of the musical score plate 15. As a result, the musical score plate 15 is placed on the base 12 in a laid-down state, and is put into an unused state.

According to the present embodiment, when the musical score plate 15 is in the use state, the engaging portion 21a is actuated by the spring force of the engaging portion 21a.
And the engaged portion 21b are automatically engaged with each other, so that the engagement operation is simple and the engagement state is reliably maintained.

(Third Embodiment) Next, a third embodiment of the present invention will be described with reference to FIG. The present embodiment is different from the above-described second embodiment in the configuration of the music score plate holding portion 21, and is otherwise the same as the second embodiment. FIG.
FIG. 9 is a block diagram showing a configuration of a musical instrument supporting device for a keyboard instrument according to a third embodiment of the present invention.
The same parts as those in FIG. 2 of the embodiment are denoted by the same reference numerals.

In FIG. 3, reference numeral 25 denotes a musical score plate holding portion of the present embodiment, which includes an engaging portion 25a formed of a concave portion provided at a keyboard side end portion 15a of the musical score plate 15; And an engaged portion 25b, which is a convex portion provided on the top and removably engaged with the engaging portion 25a. Engagement part 25
“a” is a groove having a U-shaped cross section formed on the keyboard side end 15a of the music score plate 15. The engaged portion 25b is formed of a projection projecting from the upper surface of the tip of a rotating body 27 provided on the musical score plate support base 14 so as to be rotatable up and down (left and right directions in the figure) around a shaft 26. . The rotating body 27 is engaged with the engaged portion 25.
The protrusion b is urged by a spring 28 to rotate in a direction (counterclockwise in the drawing) in which the projection is engaged with the engagement portion 25a. Then, when the musical score plate 15 is put into the use state, the engaging portion 25a and the engaged portion 25b are engaged,
The musical score plate 15 is held in a use state. In the rotating body 27,
A release button (release operation element) 29 is protrudingly provided. When the release button 29 is depressed, the rotating body 27 is rotated clockwise in FIG. The engagement between the joining portion 25a and the engaged portion 25b can be released.

In the above configuration, when the musical score plate 15 is in use, the engagement portion 25a and the engaged portion 25b are engaged, so that the musical score plate 15 is reliably held in use. . When the musical score plate 15 in the use state is set to the non-use state, the release button 29 is pressed down, and the rotating body 2 is pressed.
7 is rotated clockwise in the figure against the urging force of the spring 28 so that the engaging portion 25a and the engaged portion 25
b is released.

The other configuration and operation in this embodiment are the same as those in the above-described second embodiment, and the description thereof will be omitted.

(Fourth Embodiment) Next, a fourth embodiment of the present invention will be described with reference to FIGS. In the present embodiment, the music score plate 4 in the first embodiment described above is made movable in a predetermined range with respect to the first connecting shaft 8 in the key arrangement direction of the keyboard, and the configuration of the music score plate holding portion 10 is changed. The rest is the same as the first embodiment. FIG. 4 shows a fourth embodiment of the present invention.
FIG. 2 is a block diagram showing the configuration of a musical instrument supporting device for a keyboard instrument according to an embodiment, in which the same parts as those in FIG. 1 of the first embodiment are denoted by the same reference numerals.

As shown in FIG. 5, the musical score plate 4 of the present embodiment is movable in a predetermined range with respect to the first connecting shaft 8 in a direction in which keys are arranged on the keyboard (arrows C and D in FIG. 5). I have. In addition, the musical score plate 4 has a direction in which the engaging portion and the engaged portion of the musical score plate holding portion described later are engaged with each other by the compression spring 30 (see FIG. 5).
In the direction of arrow D).

In FIG. 4, reference numeral 39 denotes a musical score plate holding portion of the present embodiment. The musical score plate holding portion 39 is provided with an engaging portion provided at the keyboard side end 4a of the musical score plate 4 as shown in FIG. 39a
And the engaging portion 39a provided on the music board support base 3.
And an engaged portion 39b which removably engages with the engaging portion 39b. The engaging portion 39a connects the member 40 having the engaging hole 40a to the music plate 4.
Is fixed to the back surface of the keyboard side end portion 4a by screws or the like. As shown in FIG. 6, the engaged portion 39b is formed by fixing a member 41 having an engaging pin 41a protruding on the musical score plate support base 3 by screwing or the like. Then, when the musical score plate 4 is put into the use state, as shown in FIG.
The musical score plate 4 is held in a use state by engaging with the music score b.

Next, the operation of the musical instrument supporting apparatus for a keyboard instrument according to the present embodiment having the above-described configuration will be described.

First, an operation for changing the musical score plate 4 from the non-use state shown by the two-dot chain line in FIG. 4 to the use state shown by the solid line will be described. While holding the musical score plate 4 in an unused state by hand and lifting it upward, the music plate 4 is mainly rotated around the second connection shaft 9 (in this case, the music plate 4 also slightly rotates around the first connection shaft 8).
At a counterclockwise direction. And music board 4
Is sufficiently protruded from the keyboard end 1a of the base 1 to the keyboard side, and the music score plate 4 is largely rotated in the counterclockwise direction in FIG. At the end portion position (the state shown by the solid line in the figure), the music score plate 4 is pulled and moved by hand in the direction of arrow C in FIG. 5 against the urging force of the spring 30, and the engagement hole 40a of the engagement portion 39a is And the engagement pin 41a of the engaged portion 39b match,
Release your hand from the music score plate 4. Then, the musical score plate 4 is moved and returned in the direction of arrow D in FIG. 5 by the urging force of the spring 30, and the engaging hole 40a and the engaging pin 41a are engaged with this, and the member 40 on the side of the engaging portion 39a is engaged. The surface 40b of the member 41 and the surface 41b of the member 41 on the engaged portion 39b side are pressed against each other by the urging force of the spring 30, as shown in FIG.
It is held in a used state in which it is supported upright on the music board support stand 3 at a predetermined angle.

Next, a description will be given of an operation for bringing the musical score plate 4 in the used state into the unused state. The musical score plate 4 in use is held by hand and pulled and moved in the direction of arrow C in FIG. 5 against the urging force of the spring 30, and the engaging hole 40a of the engaging portion 39a is engaged with the engaged portion 39b. From the engaging pin 41a. Thereafter, when the musical score plate 4 is lifted, the rotating member 7 rotates clockwise in FIG. 4 around the second connecting shaft 9. Thereafter, the musical score plate 4 is further connected to the first and second connecting shafts 9.
4, the rotation member 7 pivots the first and second connection shafts 8 and 9 when the first connection shaft 8 is located on the side opposite to the keyboard with respect to the second connection shaft 9. It rotates around the center in the direction in which it contacts the back surface of the music score plate 4. Then, the score plate 4 is further rotated clockwise in FIG. 4, so that the rotating member 7 on the back surface side of the score plate 4 is flush with the first fixing member 5. As a result, the musical score plate 4 is placed on the base 1 as shown by the broken line in FIG.

The other configurations and operations in this embodiment are the same as those in the above-described first embodiment, and a description thereof will be omitted.

According to the present embodiment, the musical score plate 4 is moved in the key arrangement direction of the keyboard with respect to the first connecting shaft 8 so that the musical score plate 4 is held in the music score holding portion 39 and is not held. Since the state can be set, the music score plate holding portion 39 of the music score plate 4 is set.
The setting operation of the holding state and the non-holding state can be performed easily and reliably.

(Other Embodiments) The present invention is not limited to each of the above-described embodiments, but may be variously modified without departing from the gist of the invention.

[0048]

As described in detail above, according to the musical instrument supporting apparatus for a keyboard instrument of the first invention of the present invention, the musical instrument is arranged such that the first connecting shaft is located on the side opposite to the keyboard with respect to the second connecting shaft. By rotating in one direction, it is placed on the base in a non-use state and is rotated in the other direction so that the first connection shaft is located closer to the keyboard than the second connection shaft. Since it is in a used state by being supported upright on the music board support stand, it has a simple configuration and does not increase the cost,
The musical score plate can be smoothly moved from the unused state to the used state and vice versa. In other words, changing the hand holding the music board (upper end), or moving it, rather than moving it, one-touch simple operation (one-way operation of approaching / moving away) facilitates setting and resetting of the music board I can do it.
Furthermore, the position of the musical score plate in the use state becomes closer to the performer, so that it is easy to write notes on the musical score.

According to the musical instrument supporting apparatus for a keyboard instrument of the second and third aspects of the present invention, in addition to the effect of the first aspect, the musical instrument is moved with respect to the first connecting shaft. By moving a predetermined range in the key arrangement direction, the holding state and the non-holding state of the music board in the music board holding section can be set, and the holding state and the non-holding state of the music board in the music board holding section can be set. There is an effect that the state setting operation can be easily performed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the configuration of a musical instrument supporting device for a keyboard instrument according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing the configuration of a musical instrument supporting device for a keyboard instrument according to a second embodiment of the present invention.

FIG. 3 is a block diagram showing the configuration of a musical instrument supporting device for a keyboard instrument according to a third embodiment of the present invention.

FIG. 4 is a block diagram showing the configuration of a musical instrument supporting device for a keyboard instrument according to a fourth embodiment of the present invention.

FIG. 5 is a view taken in the direction of the arrow A in FIG. 4;

6 is a perspective view of the engaged portion of the musical instrument supporting device of the keyboard instrument of FIG. 4 as viewed from the player side.

FIG. 7 is a view taken in the direction of arrow B in FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base 2 Step part 3 Music board support stand 4 Music board 5 1st fixing member 6 2nd fixing member 7 Rotating member 8 1st connection shaft 9 2nd connection shaft 10 Music board holding part 10a Engaging part 10b Engagement Joint 11 Music stop 12 Base 13 Step 14 Musical board support 15 Musical board 16 First fixing member 17 Second fixing member 18 Rotating member 19 First connecting shaft 20 Second connecting shaft 21 Musical board holding part 21a Joint part, spring 21b Engaged part 23 Release button (release operation element) 24 Music stop 25 Musical sheet holding part 25a Engagement part 25b Engaged part 28 Spring 29 Release button (release operation element) 30 Spring 39 Musical sheet holding Part 39a engaging part 39b engaged part

Claims (3)

(57) [Claims] A musical score plate, a base on which the musical score plate is placed,
A music score plate supporting base disposed between the base and a keyboard located at a lower position than the base via a step, a first fixing member provided on a back surface of an intermediate portion of the music score plate, A second fixing member provided on a base, a turning member rotatably connected to the first fixing member and the second fixing member around an axis along a key arrangement direction of a keyboard, and the music score A musical score plate holding portion for holding a plate in use; connecting a center of a first connection shaft connecting the first fixed member and the rotating member to the second fixed member and the rotating member; The distance between the center of the second connecting shaft and L
1, the distance between the center of the second connection shaft and the keyboard-side end of the base is L2, and the distance between the center of the first connection shaft and the keyboard-side end of the musical score plate is L2. When L3, L
3 = L1 + L2, the musical score plate is placed on the base by turning in one direction so that the first connection shaft is located on the side opposite to the keyboard from the second connection shaft. The non-use state is achieved, and the first connection shaft is rotated in the other direction so as to be located closer to the keyboard than the second connection shaft, so that the first connection shaft is supported upright on the music score plate support base to be used. Musical instrument support device for keyboard instruments. 2. A musical score plate, a base on which the musical score plate is placed,
A music score plate support pedestal disposed between the base and the keyboard, a first fixing member provided on a back surface of an intermediate portion of the music score plate, and a second fixing member provided on the base. A turning member rotatably connected to the first fixing member and the second fixing member around an axis along a key arrangement direction of a keyboard, and a music score plate holding portion for holding the music score plate in a used state; Consisting of:
A key connected to the first fixed member and the rotating member, the key connected to the keyboard with respect to the first connection shaft; By moving a predetermined range in the arrangement direction, it is possible to set a holding state and a non-holding state of the music board to the music board holding unit,
Further, the music score plate is rotated in one direction such that the first connection shaft is located on a side opposite to the keyboard with respect to a second connection shaft connecting the second fixing member and the rotating member, so that the base plate is rotated. It is placed on the table in a non-use state, and the first connection shaft is rotated in the other direction so as to be located closer to the keyboard than the second connection shaft, so that the first connection shaft is supported upright on the musical score plate support base. A musical instrument supporting device for a keyboard instrument, wherein the musical instrument supporting device is in a used state. 3. A music plate, a base on which the music plate is placed,
A music score plate supporting base disposed between the base and a keyboard located at a lower position than the base via a step, a first fixing member provided on a back surface of an intermediate portion of the music score plate, A second fixing member provided on a base, a turning member rotatably connected to the first fixing member and the second fixing member around an axis along a key arrangement direction of a keyboard, and the music score A musical score plate holding portion for holding the musical score plate in a use state, wherein the musical score plate has a predetermined range in a key arrangement direction of a keyboard with respect to a first connection shaft connecting the first fixing member and the rotating member. It is movable, and the holding state and the non-holding state of the musical score plate in the musical score plate holding portion are set by moving the musical score plate with respect to the first connecting axis in a predetermined range in the key arrangement direction of the keyboard. And the center of the first connection shaft and the center of the second connection shaft connecting the second fixed member and the rotating member. The distance between the center of the second connection shaft and the keyboard-side end of the base is L2, and the distance between the center of the first connection shaft and the keyboard-side end of the musical score plate is L1. Assuming that the distance between them is L3, L3 = L1 + L2 is satisfied, and the musical score plate is rotated in one direction so that the first connection shaft is located on the side opposite to the keyboard with respect to the second connection shaft. It is placed on a base in a non-use state, and the first connection shaft is turned in the other direction so as to be located on the keyboard side with respect to the second connection shaft. A musical instrument supporting device for a keyboard instrument, which is used after being used.