JPS5842884U

JPS5842884U - keyboard wind instrument

Info

Publication number: JPS5842884U
Application number: JP13839481U
Authority: JP
Inventors: 山下　茂夫
Original assignee: ヤマハ株式会社
Priority date: 1981-09-18
Filing date: 1981-09-18
Publication date: 1983-03-22

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図ａ　”−ｃは従来の鍵盤吹奏楽器の一例を示す外
観斜視図、Ｉ−Ｉ線断面図、および要部側面図、第２図
はこの考案に係る鍵盤吹奏楽器の一実施例を示す要部側
面図、第３図ａ、　　ｂはこの考案の他の実施例を示す
要部側断面図および断面図である。２・・・・・・フレーム本体、３・・・・・・鍵、３Ａ
・・・・・・白鍵、３Ｂ・・・・・・黒鍵、１８Ａ、１
８Ｂ・・・・・・ばね係止部、１９Ａ、１９Ｂ・・・・
・・ばね係止部、２０・・・・・・白鍵用ばね、２１・
・・・・・黒鍵用ばね、３２・・・・・・白鍵用ばね、
３３・・・・・・黒鍵用ばね。Figures 1a and 1c show an external perspective view, a sectional view taken along the line I-I, and a side view of the main parts of an example of a conventional keyboard wind instrument, and Figure 2 shows an embodiment of the keyboard wind instrument according to this invention. 3A and 3B are a side sectional view and a sectional view of the main part showing other embodiments of this invention. 2... Frame main body, 3... key, 3A
...White key, 3B...Black key, 18A, 1
8B... Spring locking part, 19A, 19B...
...Spring locking part, 20... Spring for white key, 21.
... Spring for black keys, 32 ... Spring for white keys,
33... Spring for black keys.

Claims

[Scope of utility model registration request]

The spring for the white key and the spring for the black key, which each give a return habit, are formed identically, and the spacing between the spring locking portions to which both ends of these springs are locked is made different between the white key and the black key. A keyboard wind instrument characterized by the fact that the force acts more strongly on the white keys than on the black keys.