Patents by Inventor Walter Penka

Walter Penka 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).

  • Patent number: 6148931
    Abstract: A motor-driven hand tool, such as an eccentric grinder, angular grinder or sander, with a removable grip; for easier handling of the tool. The tool is improved by providing the grip with a securing element, which is disposed in a manipulation region of the grip and is movable relative to the grip, in particular being rotatable, so as to manually mount or release the grip.
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: November 21, 2000
    Assignee: Metabowerke GmbH & Co.
    Inventors: Oliver Nyber, Walter Penka
  • Patent number: 5094575
    Abstract: A device for the fine adjustment of the cutting depth of a surface milling cutter, where a cutter holder supporting a drive and a cutting head is displaceable with respect to a foot plate along guide columns which extend vertically to the foot plate and are supported therein. The cutter holder is fixable in a first, rough vertical distance position (cutting depth) by means of at least one locking element, with a threaded spindle, which is preferably adjustable parallel to the guide columns. The cutter holder has a stop face, which cooperates with a bit stop, fastened to be adjustable in height on the foot plate, so that a fine height adjustment is possible when the locking element(s) is (are) released.
    Type: Grant
    Filed: March 15, 1991
    Date of Patent: March 10, 1992
    Assignee: Metabowerke GmbH & Co.
    Inventors: Herman Kieser, Walter Penka