Patents by Inventor Armand Lang

Armand Lang 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).

  • Drill stand with an automatic advancement device for a drilling machine
    Patent number: 5676503
    Abstract: A drill stand for a hand-held drilling machine (30) has a length-variable support (2, 4), on which a clamping chuck (20) for the drilling machine (30) is mounted in a displaceable manner. A spring (50) presses the drilling machine (30) in the advancement direction. The drilling machine (30) is raised, via the spring (50), by means of an adjustable adjustment unit (40) on the support (2, 4), and the spring (50) is compressed in order to produce the advancement force.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: October 14, 1997
    Inventor: Armand Lang