FIELD: clocks and other time meters.
SUBSTANCE: invention relates to the field of watchmaking and in particular to mechanisms of mechanical clocks. Essence: to wheel (1) for a trigger system, comprising hub (2) intended for installation on an axle for joint rotation, wherein the axis is designed to apply a mechanical torque, rim (3), at least two spokes (4) extending from hub (2) to rim (3), and a toothed rim formed by a plurality of teeth (5). According to the invention, wheel (1) for the escapement system has at least one recess (10) on at least one of the sides, wherein recess (10) passes from rim (3) to hub (2).
EFFECT: reduced inertia of trigger system wheel.
13 cl, 3 dwg
