JPH0741033Y2 - Keyboard lid with music plate - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a keyboard lid with a music plate provided in a keyboard instrument such as an electronic organ or an electronic piano.

[Outline of device]

This invention is a music stand inside the keyboard lid that can be opened and closed freely with respect to the main body of the keyboard instrument, and a music stand that can be tilted up and down depending on whether it is in use or in storage. By using a music plate that can be displaced at the same time, it is possible to stably support the score in a spread state during use, there is no inconvenience in writing on the score, and the operation of setting both to the use position or returning to the storage position Is a one-touch method.

[Conventional technology]

Keyboard instruments such as electronic organs and electronic pianos have a keyboard lid that covers and protects the keyboard when not in use.
In the case of the type in which the keyboard lid is tilted and stands on the upper part of the musical instrument main body with the keyboard lid open, the keyboard lid is generally used also as a musical score plate, and no dedicated musical score plate is provided.

For example, as shown in FIG. 5, when the keyboard lid 2 which is attached to the instrument body 1 by means of the hinge 4 to be opened and closed is used in an open state, a fixed music stand provided in a part of the instrument body 1 The score 5 was placed on the keyboard 3 and leaned against the keyboard lid 2.

[Problems to be solved by the device]

However, in this case, since the strip 2a for covering the front side of the keyboard portion projects near the front edge of the keyboard lid 2, the leaned score 5 is locked to the keyboard 2a. It does not contact the inner surface 2b of the lid 2.

Therefore, not only the center of the score is unstable and it is difficult to open the spread, but when the score 5 is pushed by hand, the score is dented as shown by a broken line, and it is difficult to write characters or the like on the score.

The present invention has been made in view of such conventional problems, and an object thereof is to stably support a musical score inside a keyboard lid in an open state and to facilitate writing on a musical score. .

[Means for Solving the Problems]

In order to achieve the above-mentioned object, this invention has a music stand inside a keyboard lid that can be opened and closed freely with respect to the main body of a musical instrument, and a music stand that can be tilted up and down between a use state and a storage state and a music plate that can be displaced between the use position and the storage position. And a linking member for displacing the music score plate between the use position and the storage position in association with the ups and downs of the music stand.

[Action]

According to this invention, when the keyboard lid is opened and the music stand is raised from the retracted state to the use state, the music plate moves to the use position and is set in synchronization with it. The score can be stably supported in the spread state, and the score is supported on the entire music plate even when writing the score, so that the score does not dent.

Also, when not in use, when the music stand is tilted down and stored,
Since the music plate is also moved to the storage position in conjunction with it, the music stand and the music plate can be stored in one touch.

〔Example〕

An embodiment of the present invention will be specifically described below with reference to the drawings.

FIG. 1 is a cross-sectional view showing a keyboard instrument according to an embodiment of the present invention, omitting portions other than those necessary for explanation related to the keyboard lid. The keyboard lid is shown in a solid line in an open state and in a closed state. Is indicated by a virtual line.

The keyboard musical instrument of this embodiment is, as shown in FIG.
A keyboard lid 12 is pivotally supported by a shaft 11 so as to be openable and closable with respect to 10, and when not in use, the keyboard lid 12 is closed as shown by a phantom line to cover and protect the keyboard portion 13. There is.

At the front edge of the keyboard lid 12, a finger hooking member 14 for closing the space between the mouth stick 10a of the musical instrument body 10 in a closed state shown by an imaginary line and hooking a finger when opening is formed at an angle slightly larger than 90 degrees. It is bent and fixed in the foreground.

Further, the inner surface 12a of the keyboard lid 12 (lower side when closed, front side when opened) is provided with a music stand 15 and a music board 16, and a linking member 20 for interlocking both.

The lower part of the music plate 16 is attached to the lower part of the keyboard lid 12 by a hinge 17 so as to be rotatable in the directions A and B, and can be displaced between a use position shown by a solid line and a storage position shown by a virtual line. ing.

A music stand 15 is attached to the lower part of the music board 16 by a hinge 18, and can be tilted up and down by rotating in the directions of arrows C and D.

A mountain-shaped non-slip portion 15a is formed at the front end of the music stand 15, and one end of a crank-shaped metal fitting 21 is fixedly provided at the rear end surface.

One end of a first link lever 22 is pivotally attached to the other end of the metal fitting 21, and the other end is attached to one end of a slide member 24 that slides along a guide member 23 fixedly mounted on the inner surface 12a of the keyboard lid 12. It is pivotally attached.

On the other hand, also on the back surface of the music plate 16, there is provided a slide member 27 that slides along a guide member 26 fixedly mounted on the music plate 16, and the rear end portion and the front end portion of the slide member 24 described above are provided.
Both ends of the second link lever 25 are pivotally connected and connected.

The music stand 15 and the music score plate 16 are formed by the respective members pivotally attached to each other from the crank-shaped metal fitting 21 to the slide member 27.
A linking member (20) for interlocking and is configured.

A lock metal fitting 30 having a bent hook portion 30a is fixedly provided on the inner surface 12a of the keyboard lid 12, and a recess 2 into which the hook portion 30a of the lock metal fitting 30 enters near the tip of the slide member 27.
An engaging portion 27b that engages with 7a and its hook portion 30a is formed.

Next, the operation of this embodiment will be described with reference to FIGS. 2 to 4.

As indicated by the phantom line in FIG. 1, the music stand 15 is in the collapsed storage state, the music scoreboard 16 is also in the storage position, and the keyboard cover 12 is closed, and the keyboard cover 12 is indicated by the arrow P. When it is lifted in the direction and rotated until it abuts on the stopper 19 and is locked, the open state shown by the solid line is obtained.

However, at this time, the music stand 15 and the music plate 16 are still in the storage state as shown in FIG.

In this state, the hook portion 30a of the lock fitting 30 is slid on the slide member 2
The music score plate 16 is locked to the storage position by engaging with the engaging portion 27b of the seventh embodiment.

Therefore, when the music stand 15 and the music board 16 are desired to be used, the music stand 15 can be pulled from the state shown in FIG. Is the third
As shown in FIG. 4 and FIG. 4, the user stands up, and finally, as shown by the solid line in FIG.

In conjunction with this, first, as shown in FIG. 3, the first link lever 22 is pushed up by the rotation of the crank-shaped metal fitting 21, and accordingly, the slide member 24, the second link lever 2
Since the slide member 27 on the music scoreboard 16 side also slides in the direction of the arrow E via 5, the engaging portion 27b is disengaged from the hook portion 30a of the locking metal fitting 30 and becomes free.

When the music stand 15 further rotates in the direction of arrow C, the tip of the second link lever 25 comes into contact with the lower end of the guide member 26 and its movement is stopped, as shown in FIG. As the slide member 24 rises (moves in the arrow E direction in FIG. 3), the second link lever 25 pivots and rises as shown by arrow F, and turns the music plate 16 in the arrow A direction. To move.

And finally, as shown by the solid line in FIG.
The upper end of 16 is set to a use position in which the upper end of the keyboard lid 12 is lifted to a position substantially the same as the tip position of the handle member 14.

In this state, since the angle formed by the slide member 24 and the second link lever 25 is slightly smaller than 90 degrees, the second link lever 25 does not fall down even if the music plate 16 is pushed, and the music plate is not tilted.
Hold 16 in the set state shown.

Therefore, the music stand 15 and the music scoreboard 16 can stably support the music score in a spread state, and the music score is supported on the entire music scoreboard 16 even when writing the music score so that the music score is not dented. easy.

Further, in the case where the use state is changed to the storage state, the music stand 15 is rotated in the direction of arrow D in FIG. In conjunction with this, the musical score plate 16 also moves in the order shown in FIGS. 4, 3, and 2 to return to the storage position, and finally is locked by the locking metal fitting 30.

That is, the one-touch operation of raising or lowering only the music stand 15 is sufficient when the music stand 15 and the music board 16 are used or stored.

In the above-mentioned embodiment, the link mechanism is used as the linking member for linking the music stand and the music plate, but the link mechanism is not limited to this, and various linking using, for example, springs, gears, cams, wires, etc. A mechanism or a driving means such as a motor or a plunger and an electric circuit may be used.

[Effect of device]

As described above, when the keyboard lid with the music plate according to the present invention is used, when the keyboard lid is opened to raise the music stand from the stored state to the use state, the music plate moves to the use position in conjunction with it. Therefore, the music stand can be stably supported in the spread state by the music stand and the music score plate, and the music score is supported on the entire music score plate even when writing the score, so that the music score is not dented, and thus it is easy to write.

Also, when not in use, when the music stand is tilted down and stored,
The music plate also moves to the storage position in conjunction with it, so it can be operated with one touch.

[Brief description of drawings]

FIG. 1 is a sectional view showing a keyboard instrument according to an embodiment of the present invention, omitting parts other than those necessary for explanation related to the keyboard lid, and FIGS. 2 to 4 show the music stand and music plate. FIG. 5 is an enlarged cross-sectional view showing stairs having different movements when the storage state is set to the use state, and FIG. 10 ... Instrument main body, 11 ... Shaft 12 ... Keyboard lid, 13 ... Keyboard part 14 ... Handle member, 15 ... Music stand 16 ... Music plate, 17, 18 ... Hinge 19 ... Stopper, 20 ... Linking member 21 ... Crank-shaped metal fitting 22 ... First link lever 23 ... Guide member, 24 ... Sliding member 25 ... Second link lever 26 ... Guide member, 27 ... Sliding member 30 ... Lock fitting

Claims (1)

[Scope of utility model registration request] 1. A music stand that can be tilted up and down between a use state and a storage state, a music plate displaceable between a use position and a storage position, and a music stand of the music stand inside a keyboard lid that can be opened and closed with respect to a musical instrument body. A musical score plate-equipped keyboard lid, comprising: a linking member that displaces the musical score plate between a use position and a storage position in conjunction with raising and lowering.