JPH0428156Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a keyboard wind instrument that makes keys easier to see and improves playability by changing the mounting angle of the mouthpiece.

A keyboard wind instrument is provided with a plurality of flute chambers corresponding to each key, and the flute chambers are communicated with the singing mouth via an air chamber, and a reed is disposed at the air inlet of each flute chamber. The opening and closing of the valve hole in each flute chamber is controlled by a reed valve that operates in conjunction with key operation, and the reed is played by the air flow discharged from the valve hole. It is constructed as shown in c. That is, a plurality of keys 3 consisting of white keys 3A and black keys 3B are arranged in parallel in the side direction on the upper surface of a frame main body 2 disposed inside a resonance cover 1 constituting the main body of the musical instrument. Each key 3 uses the projection 5 as a fulcrum by engaging the engagement recess 4 formed on the lower surface of the base end with the projection 5 projecting from the upper surface of one long side end of the frame main body 2 from above. It is swingably supported by the upper and lower bodies, and is always given a return habit in the clockwise direction in Fig. c by a tension coil spring 6.

A plurality of flute chambers 8 partitioned from each other by partition walls 7 are formed in the frame body 2 and correspond to each key 3, and reeds 10 of each pitch are connected to air inlets 9 of these flute chambers 8. It is arranged via the plate 11. On the other hand, the valve hole 12 provided in each whistle chamber 8 is normally closed by a reed valve 14 attached to the key 3 via a lever 13. The air sent from the mouthpiece 15 when playing is guided into the air chamber 17 formed between the air cover 16 and the reed plate 11, and is caused to flow into the flute chamber 8 through the reed hole 18 of the reed plate 11. At the same time, if you open the valve hole 12 by pressing the key,
The air that has flowed into the flute chamber 8 is discharged from the valve hole 12, and the reed 10 is played by the air flow at this time.

By the way, in such a conventional keyboard wind instrument, the mouthpiece 15 is removably connected to a connection port 20 that protrudes from the player side end face of the resonance cover 1 and communicates with the air chamber 17, and extends in the longitudinal direction of the resonance cover 1. Since it extends along the same line, there was a problem with playability.
That is, hold the resonance cover 1 from below with your left hand,
When operating the keys 3 with the right hand, the keys 3 are lined up in a column in front of the performer, so it is difficult to identify the keys 3 on the treble side, which are farther away from the performer, one by one. When playing a fast piece of music, you may accidentally press the wrong key, or conversely, you may be so concerned about the positional relationship of the keys that your finger movement becomes slow.

Therefore, as a means to solve this problem, the mouthpiece 15 is bent into an approximately inverted S shape as shown in FIG. Although the key 3 is held tilted forward and downward so that the key 3 is on the bottom, the line connecting the tip of each key 3 is parallel to the line of sight, so the positional relationship of each key 3 and This has the disadvantage that it is difficult to clearly identify the positional relationship between the key 3 and the fingers of the right hand.

This idea was made in order to solve the above-mentioned drawbacks of the conventional technology.It is formed on the key operation side of the instrument body facing the player, and is formed at an angle of about 25 degrees or more to less than 90 degrees with respect to the longitudinal direction of the instrument body. an inclined side surface inclined at a predetermined angle within the range of , a connection port arranged in a direction substantially orthogonal to the inclined side surface and communicating with the air chamber, and an outlet removably directly connected to the connection port. The configuration with and makes it easy to identify each key.
To provide a keyboard wind instrument that allows finger movements to be made more natural, improves playability, and allows one to learn the basic posture when playing standing.

This invention will be described in detail below based on embodiments shown in the drawings.

FIG. 2 is a plan view of the main parts of the keyboard wind instrument according to this invention. Components in the figure that are the same as those in FIG. 1 are designated by the same reference numerals, and their explanations will be omitted. In the figure, the right half of one end surface 1A, which is the short side of the resonance cover 1 constituting the instrument body and faces the player during performance, as viewed from the player, that is, the half on the tip end of the key 3, is located at an appropriate angle within 90 degrees. angle θ,
For example, the slope (sloped side surface) 25 is formed by forming the slope at an angle of about 28 degrees, and this slope 2
The tip of the connection port 20 protrudes to the outside from an insertion hole (not shown) provided approximately at the center of the connection port 5 . This connection port 20 is provided so that its center line 26 is orthogonal to the slope 25. Therefore, connection port 2
The mouthpiece 15 connected to the key 3 is inclined toward the tip of the key 3 by an angle θ with respect to the longitudinal direction of the resonance cover 1.

In such a configuration, when you put your mouth on the mouthpiece 15, the line of sight indicated by the arrow 27 intersects the longitudinal direction of the resonance cover 1, and each key 3 can be seen diagonally from the front. 3 and the positional relationship between the fingers of the right hand can be recognized more accurately.
Therefore, you can move your fingers very naturally, and you are less likely to press key 3 by mistake.If your fingers move naturally, you can play fast pieces accurately, and even during long performances. You can enjoy playing musical instruments with less fatigue.

As explained above, the keyboard wind instrument according to this invention is configured so that the mouthpiece is mounted so as to be inclined toward the tip of the key at an arbitrary angle within 90 degrees with respect to the longitudinal direction of the main body of the instrument. can be viewed diagonally from the front, allowing the user to more accurately recognize the positional relationship of the keys and the positional relationship of the fingers operating the keys, and to move the fingers quite naturally. In other words, by holding the mouthpiece in your mouth, you can assume the basic playing posture when playing standing up. This has great practical effects, such as accurate key operation, improved playability of the instrument, and ability to withstand long periods of playing with less fatigue.

[Brief explanation of the drawing]

Figures 1a, b, and c are external perspective views, - line sectional views, and - line enlarged sectional views showing a conventional example of a keyboard wind instrument, and Figure 2 is an outline showing an embodiment of a keyboard wind instrument according to this invention. FIG. 1...Resonance cover, 3...Key, 15...Utaguchi,
17...Air chamber, 20...Connection port, 25...Slope (sloped side surface).

Claims (1)

[Scope of claim for utility model registration] A plurality of whistle chambers installed in a frame, an air chamber communicating with the whistle chambers via a reed plate, and a plurality of keys connected to a reed valve for opening and closing the whistle chambers. a musical instrument body incorporating the frame and the air chamber, and having the plurality of keys arranged in parallel along the longitudinal direction on its upper surface; Approximately 25 mm in the longitudinal direction of the instrument body
an inclined side surface that is inclined at a predetermined angle within a range of 90 degrees or more and less than 90 degrees; a connection port that is arranged in a direction substantially orthogonal to the inclined side surface and communicates with the air chamber; and a connection port that is detachably connected to the connection port. A keyboard wind instrument characterized by having a directly connected mouthpiece and.