TWO-RIBBON DRIVE CHAIN
Original Publication Date: 1985-Dec-31
Included in the Prior Art Database: 2004-Apr-04
Xerox Disclosure Journal
Disclosed is a two-ribbon drive train utilizing an unique arrangement of a cam, gears and clutches. The arrangement allows a single cable-pulley combination to drive each of the two ribbons independently and only in response to a preselected direction of rotation of the pulley.