JPS6181694U - - Google Patents
Info
- Publication number
- JPS6181694U JPS6181694U JP16638984U JP16638984U JPS6181694U JP S6181694 U JPS6181694 U JP S6181694U JP 16638984 U JP16638984 U JP 16638984U JP 16638984 U JP16638984 U JP 16638984U JP S6181694 U JPS6181694 U JP S6181694U
- Authority
- JP
- Japan
- Prior art keywords
- key
- leaf spring
- keyboard
- keyboard chassis
- chassis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１図ないし第５図はこの考案の一実施例を示
し、第１図は鍵盤構造を示す断面図、第２図は板
ばねを示し、第２図ａは鍵盤シヤーシに板ばねを
取り付けた状態の要部斜視図、第２図ｂはそのＡ
−Ａ線断面図、第２図ｃはその正面図、第２図ｄ
は鍵のばね固定部を示す底面図、第３図は板ばね
の形状および変形状態を示し、第３図ａは自由状
態における板ばねの形状を示す図、第３図ｂは上
下方向へ圧縮した状態を示す図、第４図は組み付
けられた板ばねの作用を示す図、第５図は鍵の荷
重特性を示す図、第６図および第７図は板ばねの
変形例を示し、第６図はその外観正面図、第７図
ａは板ばねの自由状態における形状を示す図、第
７図ｂは上下方向へ圧縮した状態を示す図である
。
１……鍵盤シヤーシ、２……鍵、１０，３０…
…板ばね。
Figures 1 to 5 show an embodiment of this invention, Figure 1 is a cross-sectional view showing the keyboard structure, Figure 2 shows a leaf spring, and Figure 2a shows the leaf spring attached to the keyboard chassis. A perspective view of the main part of the state, Fig. 2b is the A
-A sectional view, Figure 2c is its front view, Figure 2d
is a bottom view showing the spring fixing part of the key, Fig. 3 shows the shape and deformed state of the leaf spring, Fig. 3a shows the shape of the leaf spring in the free state, and Fig. 3b shows compression in the vertical direction. Figure 4 is a diagram showing the action of the assembled leaf spring, Figure 5 is a diagram showing the load characteristics of the key, Figures 6 and 7 are modifications of the leaf spring, and Figure 4 is a diagram showing the action of the assembled leaf spring. FIG. 6 is a front view of its external appearance, FIG. 7a is a diagram showing the shape of the leaf spring in a free state, and FIG. 7b is a diagram showing a state in which it is compressed in the vertical direction. 1...Keyboard chassis, 2...Key, 10, 30...
...Leaf spring.
Claims (1)
に回動自在に配置される鍵と、前記鍵盤シヤーシ
と鍵との間に配置されて前記鍵を常に上方へ付勢
する板ばねとを備えてなる電子楽器の鍵盤構造に
おいて、前記板ばねは下端が前記鍵盤シヤーシに
固定されて上方へ延び、その途中から湾曲して上
端が前記鍵に固定されたことを特徴とする電子楽
器の鍵盤構造。 The keyboard comprises a keyboard chassis, a key disposed on the keyboard chassis so as to be rotatable downward, and a leaf spring disposed between the keyboard chassis and the key to always bias the key upward. A keyboard structure for an electronic musical instrument, characterized in that the lower end of the leaf spring is fixed to the keyboard chassis and extends upward, and the leaf spring is curved in the middle and the upper end is fixed to the key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16638984U JPS6181694U (en) | 1984-11-05 | 1984-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16638984U JPS6181694U (en) | 1984-11-05 | 1984-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6181694U true JPS6181694U (en) | 1986-05-30 |
Family
ID=30724208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16638984U Pending JPS6181694U (en) | 1984-11-05 | 1984-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6181694U (en) |
-
1984
- 1984-11-05 JP JP16638984U patent/JPS6181694U/ja active Pending
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