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The Encyclopedia of Horology

Component record · Escapement

Crown Wheel (Clock)

Partially verified

Wheel with angled teeth

What it does

Escapement wheel for verge

How it works

Evolution

Found in early clocks

Known variations

    Identification for collectors

      Common failure modes

      • Tooth wear

      Diagram

      crownsliding clutchsetting wheelswinding pinion and ratchet
      Schematic: keyless winding and hand setting. An outline schematic drawn to show the arrangement of the parts discussed here. It is not a dimensioned working drawing and does not depict a particular maker's calibre.

      Sources & references

      1. de Carle, D., Practical Watch Repairing
      2. de Carle, D., Watch and Clock Encyclopedia
      3. Daniels, G., Watchmaking

      Where sources disagree, the disagreement is stated rather than resolved silently.