Patents Assigned to Marc Groskreutz
  • Skier rope towing apparatus
    Patent number: 5415106
    Abstract: A portable snow skier rope towing system comprises: an endless loop of flexible tow rope; a series of pulleys supporting the endless loop of tow rope for driving about an elongated enclosed path, the elongated path having opposed extreme ends, each extreme end being defined by at least one pulley; a supporting frame; a motor operably mounted relative to the supporting frame, the motor having an output drive; and a winch apparatus operably connected with the motor output drive and relative to the supporting frame, the tow rope passing through the winch at a location within the enclosed path which is displaced from each of the extreme end pulleys, the winch apparatus comprising: a drive wheel mounted for rotation and engagement with the output drive, the drive wheel having a circumference with a tapered groove formed thereabout which receives the tow rope; a rope inlet wheel mounted for rotation adjacent the drive wheel, the inlet wheel having a circumferential groove which receives the tow rope; and a rope out
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: May 16, 1995
    Assignee: Marc Groskreutz
    Inventors: Marc Groskreutz, Patrick W. Foster
  • Skier rope towing apparatus and winch therefor
    Patent number: 5205219
    Abstract: A portable snow skier rope towing system comprises: an endless loop of flexible tow rope; a series of pulleys supporting the endless loop of tow rope for driving about an elongated enclosed path, the elongated path having opposed extreme ends, each extreme end being defined by at least one pulley; a supporting frame; a motor operably mounted relative to the supporting frame, the motor having an output drive; and a winch apparatus operably connected with the motor output drive and relative to the supporting frame, the tow rope passing through the winch at a location within the enclosed path which is displaced from each of the extreme end pulleys, the winch apparatus comprising: a drive wheel mounted for rotation and engagement with the output drive, the drive wheel having a circumference with a tapered groove formed thereabout which receives the tow rope; a rope inlet wheel mounted for rotation adjacent the drive wheel, the inlet wheel having a circumferential groove which receives the tow rope; and a rope out
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: April 27, 1993
    Assignee: Marc Groskreutz
    Inventors: Marc Groskreutz, Patrick W. Foster