JPS626796U - - Google Patents

Info

Publication number
JPS626796U
JPS626796U JP9934885U JP9934885U JPS626796U JP S626796 U JPS626796 U JP S626796U JP 9934885 U JP9934885 U JP 9934885U JP 9934885 U JP9934885 U JP 9934885U JP S626796 U JPS626796 U JP S626796U
Authority
JP
Japan
Prior art keywords
keyboard lid
shaft
hook
piston rod
piano
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
Application number
JP9934885U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9934885U priority Critical patent/JPS626796U/ja
Publication of JPS626796U publication Critical patent/JPS626796U/ja
Pending legal-status Critical Current

Links

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  • Electrophonic Musical Instruments (AREA)

Description

【図面の簡単な説明】
第１図イ，ロはこの考案装置の一実施例を示す
断面図、第２図はフツクの斜視図、第３図はピス
トンロツドの上端部の側面図、第４図はフツクと
ピストンロツドとの係合を説明するための断面図
、第５図はその種ピアノの鍵盤蓋とその回転機構
を説明するための斜視図、第６図は鍵盤蓋の開閉
時における重心の移動を説明するための断面図で
ある。 ａ……軸棒、ｂ……軸承、３……棚板、４……
フツク、４ａ……切欠、５……シリンダダンパ、
５ａ……ピストンロツド。

Claims (1)

  1. 【実用新案登録請求の範囲】 鍵盤蓋１の両側面にそれぞれ軸棒ａを突設し、
    本体両側板の内側にそれぞれ軸棒ａと軸承ｂとを
    設け、前記軸棒ａと前記軸承ｂとで前記鍵盤蓋１
    を回転して開閉する式の鍵盤蓋を有するピアノに
    おいて、 (a) 鍵盤蓋１の後方部に突設されたフツク４と
    、 (b) 棚板３に設けられた、ピストンロツド５ａ
    を該棚板３上に突出させたシリンダダンパ５と、 を備え、 (c) 前記鍵盤蓋１が閉じ終る前に、前記フツク
    ４が前記ピストンロツド５ａの先端部と係合して
    、前記シリンダダンパ５によつて該鍵盤蓋１を緩
    かに閉じ終らせること、 を特徴とするピアノにおける鍵盤蓋の開閉装置。
JP9934885U 1985-06-28 1985-06-28 Pending JPS626796U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9934885U JPS626796U (ja) 1985-06-28 1985-06-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9934885U JPS626796U (ja) 1985-06-28 1985-06-28

Publications (1)

Publication Number Publication Date
JPS626796U true JPS626796U (ja) 1987-01-16

Family

ID=30968141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9934885U Pending JPS626796U (ja) 1985-06-28 1985-06-28

Country Status (1)

Country Link
JP (1) JPS626796U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63177895U (ja) * 1987-05-06 1988-11-17
JPH01137294A (ja) * 1987-11-25 1989-05-30 Yamaha Corp 鍵盤楽器の開閉機構
JPH038392U (ja) * 1989-06-14 1991-01-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4815064U (ja) * 1971-07-01 1973-02-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4815064U (ja) * 1971-07-01 1973-02-20

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63177895U (ja) * 1987-05-06 1988-11-17
JPH01137294A (ja) * 1987-11-25 1989-05-30 Yamaha Corp 鍵盤楽器の開閉機構
JPH038392U (ja) * 1989-06-14 1991-01-25

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