Patents by Inventor Josef Coerstges

Josef Coerstges 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).

  • Drafting frame for a spinning machine
    Patent number: 4734958
    Abstract: The invention is a drafting frame of a spinning or twisting machine comprising a plurality of roll pairs or roll triads comprising upper and lower rolls, the upper rolls being guided at their ends by bearings in at least one supporting arm rotatable about a pivot shaft with the spacing of the upper rolls from each other being changeable. Each of the bearings is a guide means, advantageously an open ended slot, aligned with an axis of a lower roll. Every supporting arm has at least two guide means spaced from each other for at least one of the upper rolls.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: April 5, 1988
    Assignee: Zinser Textilmaschinen GmbH
    Inventors: Josef Coerstges, Bernhard Zimmerman