John F Hatzmann

US Patent:

39827534, Sep 28, 1976

Filed:

Mar 12, 1973

Appl. No.:

5/340155

Inventors:

John F. Coleman - Rochester NY
Donald P. Miller - Webster NY
John F. Hatzmann - Rochester NY

Assignee:

Xerox Corporation - Stamford CT

International Classification:

B65H 502

US Classification:

271275

Abstract:

A device functioning as a combined backstop and brake for a rotating member. A pivotably mounted spring biased arm rides against a band of resilient material adapted to rotate with the member. The arm thereby frictionally applies a controlled braking force to the rotating member. Reverse rotation of the member causes the arm to depress the resilient material of the band and prevent such reverse motion.