Patents by Inventor Georg Proschka

Georg Proschka 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).

  • Excavator tooth
    Patent number: 4676014
    Abstract: A cutter for an excavator or like earth moving machine or implement has a holder which can be mounted on the machining bucket and formed with a bifurcated end receiving a web between claws of a replaceable tooth. The web projects beyond the cover claws and the channel between the coupling claws of the holder is formed with the pocket into which a fastening element can be inserted so that shanks of this element are received in grooves of the web within the pocket and the tooth is thereby braced against the holder.
    Type: Grant
    Filed: January 24, 1986
    Date of Patent: June 30, 1987
    Assignee: Berchem & Schaberg GmbH
    Inventors: Rutger Berchem, Georg Proschka