noun
- devices that apply or maintain tension in mechanical systems, especially belts, chains, or cables
Usage: mechanical/automotive
Examples
- The mechanic replaced the worn belt tensioners during the engine service.
- Chain tensioners keep the timing chain properly aligned in the motor.
- Cable tensioners ensure the guy wires remain taut on the antenna tower.
- The conveyor system uses automatic tensioners to maintain proper belt tension.
- Faulty tensioners can cause belts to slip or break unexpectedly.
- Spring-loaded tensioners compensate for belt stretch over time.