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Zkrutne pruziny

A torsion spring or torsion pendulum is an elastic material that reacts against torsion (twisting motion). In particular, the more one twists it, the more force it takes to twist it further. A torsion spring is often made from a wire, ribbon, bar, or coil.
Torsion ribbons are used in torsion pendulum clocks, where a weight is spun, oscillating in its spinning direction at the bottom of the clock. As the resonant period is very long, this mechanism is used in spring wound clocks designed to operate for an entire month or even a year without rewinding. This type of suspension is also used in sensitive devices used to determine constants associated with the gravitational effects of mass.
Torsion bars (or sway bars) are used to support automobile suspension components, allowing those components (which indirectly support the wheels) to move in response to rough roads while allowing a smooth ride in the vehicle. The DeLorean DMC-12 uses cryogenically tempered torsion bars to assist with the opening of its gull wing doors. See torsion beam suspension. Since sway bars 'tie' the left and right suspension together, some offroad enthusiasts install quick disconnect sway bar links to allow the sway bar to be disconnected for greater articulation when offroading.
Coiled torsion springs are coils that are twisted (rather than pulled) to store energy.
Large coiled torsion springs are used to counter-balance the weight of garage doors. Great care must be exercised when adjusting these as they store a large amount of mechanical energy.

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