Patents by Inventor Jens B. Skovhoj

Jens B. Skovhoj 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).

  • Lawn and garden maintenance apparatus
    Patent number: 4689940
    Abstract: An apparatus for use in lawn and garden maintenance, in which a chassis having a pair of axially aligned and independently operable drive wheels carries a cultivator comprising a frame mounted on the chassis and movable pivotably in the vertical plane of the axis of the drive wheels, a plurality of hoes adjustably mounted on the frame, and means mounted on the chassis to raise and lower the frame pivotably into an inoperative and an operative position respectively .
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: September 1, 1987
    Inventor: Jens B. Skovhoj
  • Lawn trimmer
    Patent number: 4663920
    Abstract: An apparatus for use in lawn and garden maintenance, in which a chassis having a pair of axially aligned and independently operable drive wheels carries a grass trimmer comprising an articulated arm pivotably mounted at one end on the chassis, a trimming device mounted on that end of the arm remote from the chassis, gripping means mounted on the arm for manual manipulation thereof, and means mounted on the chassis to actuate the trimming device, the arm comprising a first variable parallelogram unit pivotably mounted on the chassis in a vertical plane and a second variable parallelogram unit pivotably mounted on that end of the first parallelogram unit in said vertical plane remote from the chassis, the trimming device being pivotably mounted on that end of the second parallelogram unit remote from the first parallelogram unit, the parallelogram units being spring biased against free movement thereof.
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: May 12, 1987
    Inventor: Jens B. Skovhoj
  • Lawn and garden maintenance apparatus
    Patent number: 4546601
    Abstract: An apparatus for use in lawn and garden maintenance, in which a chassis having a pair of axially aligned and independently operable drive wheels carries a central reel mower mounted with the rotational axis of the mower and the drive wheels lying in the same vertical plane. A pair of outer reel mowers may be mounted on the chassis on each side of the path of the central reel mower. A cultivator mounted on a chassis with a pair of axially aligned drive wheels has the frame of the cultivator projecting laterally and aligned with the axis of the drive wheels, the frame of the cultivator being preferably extensible. A lawn trimmer swivelly mountable vertically on a motor driven chassis comprises an articulated arm with a trimming device mounted on the free end of the arm, the arm comprising two pivotally joined parallelogram units and a handle for manipulation of the arm.
    Type: Grant
    Filed: February 11, 1983
    Date of Patent: October 15, 1985
    Inventor: Jens B. Skovhoj