Clockwork barrel e.g. striking barrel, for use in clockwork movement of watch, has shaft pivotingly secured to ratchet around pivoting axis, and single-block subassembly, coaxial to shaft, grouping ratchet and/or shaft around core

摘要

The barrel (1) has a spring (7) placed between a pivoting drum (6) and a ratchet (2) and attached between the drum at exterior end and a shaft (3) at interior end. The shaft is pivotingly secured to the ratchet around a pivoting axis. A single-block subassembly (10), coaxial to the shaft, groups the ratchet and/or the shaft around a core (4), where the ratchet is located immediate close to a plate (9). The drum includes an upper surface (61) whose movement is limited by a lower surface (53) of a bridge (5) or of stone (52).