Roll film adaptor for microfiche reader - has modular form for universal fitting and has servo drive actuated by reversible motor

摘要

The roll film attachment is for a microfiche reader and has a modular form to enable it to be assembled in different designs of reader. The attachment takes 16mm and 35mm film and is servo driven by a reversible electric motor with belt drive to the spools. The modular form has an adjustable main frame, and adjustable chassis, on which the film spools and the drive are secured. The drive can have manual override and the film can be positioned in the different optic layouts of microfiche readers. It provides a simple and low cost facility to extend the scope of the micro-fiche reader.