# rack and pinion

> type of linear actuator that comprises a circular gear (the pinion) engaging a linear gear (the rack)

**Wikidata**: [Q144004](https://www.wikidata.org/wiki/Q144004)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Rack_and_pinion)  
**Source**: https://4ort.xyz/entity/rack-and-pinion


## References

1. Freebase Data Dumps. 2013
2. Quora