Upright action showing lost-motion device, metallic regulating rail support, capstan screw, jack regulating rail and metallic action brackets.

34. Hammer-rail lifter-wire.
35. Hammer-rail swing-lever.
36. Hammer-rail lifter rod.
37. Lifter-rod lever.
38. Compensation-lever.
39. Capstan-screw.
40. Rail for limiting return movement of jack.
41. Metallic regulating rail support.