Patents Assigned to Geissler & Kuper Gesellschaft mit beschrankter Haftung Diamantwerkzeuge Maschinen
  • Coupling for drilling machine with dust extractor
    Patent number: 5253961
    Abstract: Drilling device with force transmission from a hollow-cylindrical drive member to a tubular shank equipped with a drill bit wherein the drive member (3) is rotatably mounted in a housing (41), with the housing (41) being provided with a port (42) for a suction and/or flushing device. The interior of the drive member (3) is connected with the port (42) by way of holes in its wall and the flow path is provided with means (11, 27, 28, 29, 40, 453, 495, 496) for preventing clogging of the flow path.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: October 19, 1993
    Assignee: Geissler & Kuper Gesellschaft mit beschrankter Haftung Diamantwerkzeuge Maschinen
    Inventor: Bernd Geissler