COMBINED COMPRESSION SPRING Russian patent published in 2013 - IPC F16F1/02 

FIELD: machine building.

SUBSTANCE: spring consists of an X-shaped element containing two flat elastic rings of rectangular or square cross-section with a radial cut-out. Rings are combined crosswise relative to each other through radial slots. Width of the radial cut-out of each ring is equal to thickness of the ring. Planes of rings in non-compressed state of spring are mutually perpendicular.

EFFECT: increasing working travel and force of a spring, reducing mass and dimensions parameters of a spring.

2 cl, 10 dwg