Electromechanical calendar display system - has automatic year cycle with day, week and month display with main shaft rotating once per day

摘要

An electro mechanical calendar unit provides for the display of days, weeks and months, and provides a fully automatic yearly cycle. The system is based upon gear and cam driven shafts from a single electric motor operating through a gear reduction. The main shaft rotates once per day and is gear coupled to shafts for the month display and a sleeve for the week display. Cam units provide facility for the variation in the length of a month.