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A torsion bar suspension, also known as a torsion spring suspension, is any vehicle suspension that uses a torsion bar as its main weight-bearing spring. One end of a long metal bar is attached firmly to the vehicle chassis; the opposite end terminates in a lever, the torsion key, mounted perpendicular to the bar, that is attached to a ...
Torsion bars and torsion fibers do work by torsion. However, the terminology can be confusing because in helical torsion spring (including clock spring), the forces acting on the wire are actually bending stresses, not torsional (shear) stresses. A helical torsion spring actually works by torsion when it is bent (not twisted).
A couple of Captains of Crush gripper models: Trainer (Left) and No. 4 (Right) Captains of Crush Grippers (commonly nicknamed "CoC") is a brand of torsion-spring grippers (a torsion spring fitted with two handles) designed, manufactured and sold by IronMind Enterprises, Inc., based in Nevada City, California.
A torsion spring is a spring that works by twisting; when it is twisted about its axis by an angle, it produces a torque proportional to the angle. A torsion spring's rate is in units of torque divided by angle, such as N·m/rad or ft·lbf/degree. The inverse of spring rate is compliance, that is: if a spring has a rate of 10 N/mm, it has a ...
A crutch device at the top of the torsion spring engages a lever with two anchor-shaped arms; the two arms alternately engage the teeth of the escape wheel. As the anchor releases a tooth of the escape wheel, the lever, which is fixed to the anchor, moves to one side and, via the crutch, gives a small twist to the top of the torsion spring.
Torsion springs obey an angular form of Hooke's law: τ = − κ θ {\displaystyle \tau =-\kappa \theta \,} where τ {\displaystyle \tau \,} is the torque exerted by the spring in newton -meters, and θ {\displaystyle \theta \,} is the angle of twist from its equilibrium position in radians.
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