Barrel arbor
香箱真／コウバコシン
发条匣轴
Barrel arbor
Arbre de barillet
Glossary
Thematic
Energy, Technic
Supports the barrel and its spring. It comprises a cylinder, known as the core, and a hook to which the inner end of the mainspring is attached. The upper pivot is cut into a square for the ratchet-wheel. The arbor moves in holes, one in the plate and the other in the barrel bridge.