| Answer | Crossword Clue |
|---|---|
| sprocket | A wheel with teeth of this kind |
| sprockets | A wheel with teeth of this kind |
| worm | short revolving screw whose threads gear with the teeth of a worm wheel or a rack |
| pawls | pivoted bar adapted to engage with the teeth of a ratchet wheel or the like so as to prevent movement or to impart motion |
| pawl | pivoted bar adapted to engage with the teeth of a ratchet wheel or the like so as to prevent movement or to impart motion |
| ratchets | A device consisting of a bar or wheel with a set of angled teeth in which a pawl, cog, or tooth engages, allowing motion in one direction only |
