Patents by Inventor Richard Fuerhoff

Richard Fuerhoff 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).

  • Button feeding device for button attaching machines
    Patent number: 4714034
    Abstract: A button feeding device includes a button alignment shaft having a longitudinal axis which is displaceable with respect to the longitudinal axis of the main drive shaft. The button alignment shaft and the main drive shaft are advantageously linked for rotation by a coil spring. The device has a pin holder which aligns the button and transfers it into a button clamp, a carriage being provided to move the pin holder over a substantially linear quadrangular path.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: December 22, 1987
    Assignee: Durkoppwerke GmbH
    Inventors: Gerhard Riss, Richard Fuerhoff