FRICTION RETARD WHEEL INDEXING MECHANISM
Original Publication Date: 1979-Aug-31
Included in the Prior Art Database: 2004-Apr-02
Xerox Disclosure Journal
In some friction retard type feeders, the retard wheel is either stationary and requires manual adjustment to replenish the friction surface or is indexed through some external drive means (driven by either a separate motor or through an independent drive train). In this disclosure, the retard wheel is advanced by utilizing motion imparted by the feed belt, The rotational displacement of the retard wheel is controlled by means of a pawl and ratchet mechanism.