Methods and apparatuses for aligning the component parts of a drum assembly are disclosed. One aspect of the invention relates to tools for measuring and aligning the component parts of the drum assembly. By way of example, the tools may include indicator tools for measuring the relative position of...http://www.google.fr/patents/US7100265?utm_source=gb-gplus-shareBrevet US7100265 - Method for aligning a drum assembly used in a video recording device
Method for aligning a drum assembly used in a video recording device