Patents by Inventor Erwin Jaffe

Erwin Jaffe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rotary printing press with a bumping mechanism
    Patent number: 4301728
    Abstract: Rotary printing presses of the type embodying rotatably driven series of inking cylinder, plate cylinder and impression cylinder components. Particularly, a mechanism for "bumping" the impression cylinder shaft with respect to the plate cylinder for press adjustment or repair and web adjustment without dismantling of the press. The "bumping" mechanism includes eccentric bushing plates supporting the impression cylinder shaft at either end and a pivotally mounted bell crank with a follower strut pivotally secured to the bushing plate. As the bell crank is pivoted, the impression cylinder shaft is "bumped" or displaced with respect to the plate cylinder.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: November 24, 1981
    Assignee: American Newspaper Publishers Association
    Inventors: Erwin Jaffe, Harshad Matalia, William D. Rinehart, Frederick L. Warner, Menashe Navi, George Merker