Roller chain

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

4

In collections

Nobody has pulled it yet.

What Wikipedia says

Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.

Excerpt from the Wikipedia article “Roller chain”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ralf Roletschek, CC BY-SA 3.0, via Wikimedia Commons.