Patents by Inventor Rolf Knauer

Rolf Knauer 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: 4613261
    Abstract: A chip collecting device for a routing tool is in the form of a hood or box having a wall surrounding part of the circumference of the routing bit. Chips thrown tangentially outwards from the bit are guided by the wall onto an upwardly sloping ramp when they pass into the suction current of a dust aspirating means that acts in an upward direction adjacent to the bit. The chip collecting hood or box is mounted on the lower side of an L-shaped stop in rails. The stop has a passage for the chips placed over the ramp.
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: September 23, 1986
    Inventors: Peter Maier, Erwin Kutscher, Rolf Knauer