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| The Inner Workings of One Note in an Upright Piano |
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| 5 |
| 48 |
| 54 |
| 50 |
| 23 |
| 33 |
| 3 |
| 3 |
| 4 |
| 2 |
| 34 |
| 35 |
| 36 |
| 18 |
| 19 |
| 27 |
| 7 |
| 41 |
| 14 |
| 12 |
| 37 |
| 38 |
| 40 |
| 56 |
| 57 |
| 1 |
| 1. String 2. Damper felt 3. Damper head 4. Damper block 5. Hammer 6. Damper wire 7. Damper spring rail felt 8. Damper spring rail 9. Hammer shank 10. Hammer rail cloth |
| 11. Hammer rail 12. Damper lever 13. Damper spring 14. Hammer butt spring 15. Damper flange 16. Hammer butt felt 17. Hammer butt buckskin 18. Hammer butt 19. Catcher shank 20. Catcher |
| 21. Catcher buckskin 22. Backcheck felt 23. Backcheck 24. Damper lift rod 25. Hammer butt flange 26. Main action rail 27. Jack 28. Let-off regulating screw 29. Let-off rail 30. Let-off button |
| 31. Bridle strap 32. Let-off button punching 33. Backcheck wire 34. Damper spoon 35. Jack flange 36. Bridle wire 37. Jack spring 38. Wippen flange 39. Wippen 40. Sustain pedal rod |
| 41. Sticker rail 42. Sticker 43. Sticker flange 44. Sticker tongue 45. Sticker cloth 46. Capstan screw 47. Back rail cloth 48. Key 49. Key lead 50. Balance rail |
| 51. Key button 52. Balance rail key pin 53. Balance rail punching 54. Key frame 55. Front rail 56. Front rail punching 57. Front rail key pin |
| To see this diagram in a full screen view, change your computer settings to a screen resolution of 1280 x 768 pixels |
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| 416-806-8863 |
| 416-806-8863 |
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| CONCERT PITCH PIANO SERVICES |
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