CLOCK BALANCE SPRING Russian patent published in 2018 - IPC G04B1/14 

FIELD: watches and other time measuring instruments.

SUBSTANCE: balance spring (1) including, tangent to other: the first inner turn to the first point P1 inside the first central corner α1 and decreasing cross section with the first coefficient R1; second turn to the second point P2 inside the second central corner α2 and constant section; third turn to the third point P3 inside the third central corner α3 and increasing cross-section with the third coefficient R3; fourth turn to the fourth point P4 inside the fourth central corner α4 and constant section; fifth turn to the fifth point P5 inside the fifth central corner α5 and increasing cross-section with the fifth coefficient R5; sixth outer turn to the sixth point P6 inside the sixth central corner α6 and increasing section with the sixth coefficient R6. In the present invention embodiment, the seventh, more rigid segment is deflected from this sixth turn. Clock mechanism (100) incorporating the said balance spring (1). Wrist or pocket watches (200), including this clockwork (100).

EFFECT: disclosed is the clock balance spring.

30 cl, 6 dwg