|Subject Area||Technical Drawings|
|Year of Declaration||2008|
|Number of Pages||6|
|Price||Available on request|
Establishes the conventional representation of the toothed portion of gears including worm gearing and chain wheels. It is applicable to detail drawings and assembly drawings. As a fundamental principle a gear is represented (except in axial section) as a solid part without teeth, but with the addition of the pitch surface in a thin long chain line.