JPH0435919Y2 - - Google Patents
Info
- Publication number
- JPH0435919Y2 JPH0435919Y2 JP5449487U JP5449487U JPH0435919Y2 JP H0435919 Y2 JPH0435919 Y2 JP H0435919Y2 JP 5449487 U JP5449487 U JP 5449487U JP 5449487 U JP5449487 U JP 5449487U JP H0435919 Y2 JPH0435919 Y2 JP H0435919Y2
- Authority
- JP
- Japan
- Prior art keywords
- key
- spring
- friction
- sliding contact
- 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.)
- Expired
Links
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011345 viscous material Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5449487U JPH0435919Y2 (en]) | 1987-04-10 | 1987-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5449487U JPH0435919Y2 (en]) | 1987-04-10 | 1987-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63162394U JPS63162394U (en]) | 1988-10-24 |
| JPH0435919Y2 true JPH0435919Y2 (en]) | 1992-08-25 |
Family
ID=30881540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5449487U Expired JPH0435919Y2 (en]) | 1987-04-10 | 1987-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435919Y2 (en]) |
-
1987
- 1987-04-10 JP JP5449487U patent/JPH0435919Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63162394U (en]) | 1988-10-24 |
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