SPIRAL SPRING MECHANISM Russian patent published in 2019 - IPC F16F1/10 G04B1/14 

FIELD: machine building.

SUBSTANCE: spiral spring mechanism consists of the input shaft, the spring tape and isolated from the input shaft stationary drum. Spring tape is made with the constant width section and with a section in the form of a trapezoid and bases, turning into the constant width tape. Spring with the constant width section end is attached to the drum, and the spring other end is attached to the spiral spring mechanism shaft.

EFFECT: enabling change in the spiral spring mechanism rigidity characteristic initial portion inclination.

1 cl, 5 dwg