torsion bar
English
![](Images/wiktionary/Torsion-Bar_with-load.jpg.webp)
schematic of torsion bar, rigidly attached to gray rectangle representing, say, a vehicle frame, twisted under load from green lever arm which would in turn be attached to an axle
Noun
torsion bar (plural torsion bars)
- A bar forming part of a vehicle's suspension system, that twists in response to the non-rotary motion of the wheels, absorbing vertical movement.
References
torsion bar on Wikipedia.Wikipedia torsion bars on Wikimedia Commons.Wikimedia Commons