JP4887644B2 - 可動部材 - Google Patents
可動部材 Download PDFInfo
- Publication number
- JP4887644B2 JP4887644B2 JP2005087558A JP2005087558A JP4887644B2 JP 4887644 B2 JP4887644 B2 JP 4887644B2 JP 2005087558 A JP2005087558 A JP 2005087558A JP 2005087558 A JP2005087558 A JP 2005087558A JP 4887644 B2 JP4887644 B2 JP 4887644B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- groove
- mounting hole
- movable member
- shape
- 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.)
- Expired - Fee Related
Links
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 239000002023 wood Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000011295 pitch Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Landscapes
- Electrophonic Musical Instruments (AREA)
Description
Claims (3)
- 取付穴が形成された木材からなり、前記取付穴に周面を面接触させた状態で重りが取り付けられた鍵盤装置の可動部材であって、
前記重りが剛体からなり、その周面に、ピッチが2mm以下に設定された谷部と突出部とからなる溝部を前記挿入方向に沿って7段以上形成するとともに、前記溝部の各突出部における前記挿入方向に沿った面を曲面に形成し、前記溝部の深さを0.2mm以上に設定するとともに、前記溝部を前記重りにおける挿入方向の長さ10mmに対して、10段以上形成し、
前記取付穴の直径が、前記重りの外径よりも、0.2mm以上で1mm以下小さく設定されていることを特徴とする可動部材。 - 前記7段以上形成された溝部が、前記重りの周面に沿って螺旋状に形成された1本の溝部で構成されている請求項1に記載の可動部材。
- 前記可動部材が、鍵盤を構成する鍵である請求項1または2に記載の可動部材。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005087558A JP4887644B2 (ja) | 2005-03-25 | 2005-03-25 | 可動部材 |
TW095105621A TWI286736B (en) | 2005-03-15 | 2006-02-20 | Movable part firmly equipped with balance weight, musical instrument and method of assembling balance weight therein |
EP06004242.1A EP1703487A3 (en) | 2005-03-15 | 2006-03-02 | Key having a balance weight; musical instrument, and method of assembling a balance weight in a key |
CN2006100547127A CN1835067B (zh) | 2005-03-15 | 2006-03-02 | 装配有平衡重的可移动部件、乐器和组装平衡重的方法 |
US11/373,235 US7999162B2 (en) | 2005-03-15 | 2006-03-13 | Movable part firmly equipped with balance weight, musical instrument and method of assembling balance weight therein |
KR1020060023487A KR100711179B1 (ko) | 2005-03-15 | 2006-03-14 | 균형 중량부가 견고하게 설치된 가동부, 악기 및 균형중량부를 내부에 조립하는 방법 |
US13/177,477 US20110259169A1 (en) | 2005-03-15 | 2011-07-06 | Movable part firmly equipped with balance weight, musical instrument and method of assembling balance weight therein |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005087558A JP4887644B2 (ja) | 2005-03-25 | 2005-03-25 | 可動部材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006267760A JP2006267760A (ja) | 2006-10-05 |
JP4887644B2 true JP4887644B2 (ja) | 2012-02-29 |
Family
ID=37203791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005087558A Expired - Fee Related JP4887644B2 (ja) | 2005-03-15 | 2005-03-25 | 可動部材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4887644B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7346949B2 (ja) * | 2019-07-08 | 2023-09-20 | ヤマハ株式会社 | 鍵盤、鍵盤用部品 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4644327B2 (ja) * | 1999-11-25 | 2011-03-02 | 株式会社河合楽器製作所 | 鍵盤 |
JP2003084754A (ja) * | 2001-09-07 | 2003-03-19 | Kawai Musical Instr Mfg Co Ltd | 鍵 盤 |
JP3820963B2 (ja) * | 2001-11-08 | 2006-09-13 | ヤマハ株式会社 | 鍵盤楽器の鍵盤 |
JP2005031174A (ja) * | 2003-07-08 | 2005-02-03 | Kawai Musical Instr Mfg Co Ltd | ピアノの鍵 |
JP4661283B2 (ja) * | 2004-03-22 | 2011-03-30 | ヤマハ株式会社 | 可動部材における重りの取付方法 |
-
2005
- 2005-03-25 JP JP2005087558A patent/JP4887644B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006267760A (ja) | 2006-10-05 |
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