Upright Action Diagram

1. Key                            22. Regulating button and screw 
2. Key frame 23. Jack stop rail
3. Key lead 24. Back stop
4. Front rail pin and punching 25. Hammer butt
5. Balance rail pin and punching 26. Hammer shank
6. Back rail cloth 27. Hammer molding
7. Capstan screw 28. Hammer top felt
8. Sticker 29. Hammer under felt
9. Sticker lever 30. Whippen flange
10. Sticker lever flange 31. Spoon
11. Lower action rail 32. Middle action rail
12. Action bracket 33. Damper lifting rod
13. Whippen 34. Damper lever
14. Jack flange 35. Damper lever and hammer butt flange
15. Jack spring 36. Spring rail spring
16. Jack knuckle 37. Spring rail
17. Jack 38. Damper wire
18. Bridle wire 39. Damper block
19. Back check 40. Damper head
20. Bridle tape 41. Damper felt
21. Regulating rail 42. Action bolt