Patents by Inventor Fredrik Lilliestielke

Fredrik Lilliestielke 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: 7481036
    Abstract: The present invention relates to a lawn mower (1), comprising a chassis (7), a front mounted mower deck (5), and at least one support arm (9) connecting the mower deck (5) with the chassis (7). The support arm (9) is movable with respect to the chassis (7) for lifting the mower deck (5) from a lower position to an upper position. In the upper position, the mower deck (5) is tiltable about a horizontal pivot axis (11) with respect to the support arm (9) without interfering with the ground. The lawn mower is characterised in that the centre of gravity (21) of the mower deck (5) is located in front of the pivot axis (11), with respect to the forward direction of the lawn mower (1), when the mower deck (5) is lifted to the upper position.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: January 27, 2009
    Assignee: Husqvarna AB
    Inventors: Fredrik Lilliestielke, Peter Mejegård, Mats Axelsson
  • Patent number: 7441392
    Abstract: The present invention relates to a lawn mower (1), comprising a front mounted mower deck (5) comprising at least one cutting knife, wherein the cutting knife is rotatably arranged in a substantially horizontal plane (10), a wheel suspension arrangement (19) connected to the mower deck (5) and comprising at least one wheel (17) to be in contact with the ground so as to support the mower deck (5) during mowing, wherein the wheel (17) is connected to the wheel suspension arrangement (19) by means of an axle (21) to be in perpendicular alignment with the ground during mowing, and a cutting height adjustment (27) device adapted to move the wheel suspension arrangement (19) with respect to the mower deck (5) for adjusting the mutual height relationship between the wheel (17) and the mower deck (5), so as to adjust the distance between the plane of the cutting knife and the ground.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: October 28, 2008
    Assignee: Husqvarna AB
    Inventors: Fredrik Lilliestielke, Peter Mejegård, Mats Axelsson
  • Publication number: 20070051082
    Abstract: The present invention relates to a lawn mower (1), comprising a front mounted mower deck (5) comprising at least one cutting knife, wherein the cutting knife is rotatably arranged in a substantially horizontal plane (10), a wheel suspension arrangement (19) connected to the mower deck (5) and comprising at least one wheel (17) to be in contact with the ground so as to support the mower deck (5) during mowing, wherein the wheel (17) is connected to the wheel suspension arrangement (19) by means of an axle (21) to be in perpendicular alignment with the ground during mowing, and a cutting height adjustment (27) device adapted to move the wheel suspension arrangement (19) with respect to the mower deck (5) for adjusting the mutual height relationship between the wheel (17) and the mower deck (5), so as to adjust the distance between the plane of the cutting knife and the ground.
    Type: Application
    Filed: August 30, 2006
    Publication date: March 8, 2007
    Inventors: Fredrik Lilliestielke, Peter Mejegard, Mats Axelsson
  • Publication number: 20070051083
    Abstract: The present invention relates to a lawn mower (1), comprising a chassis (7), a front mounted mower deck (5), and at least one support arm (9) connecting the mower deck (5) with the chassis (7), wherein the support arm (9) is movable with respect to the chassis (7) for lifting the mower deck (5) from a lower position to an upper position, in which upper position the mower deck (5) is tiltable about a horizontal pivot axis (11) with respect to the support arm (9) without interfering with the ground, from a first position in which an underside of the mower deck (5) is directed downwardly, to a second position in which the underside of the mower deck (5) is accessible to an operator standing in front of the lawn mower (1). The lawn mower is characterised in that the centre of gravity (21) of the mower deck (5) is located in front of the pivot axis (11), with respect to the forward direction of the lawn mower (1), when the mower deck (5) is lifted to the upper position.
    Type: Application
    Filed: August 30, 2006
    Publication date: March 8, 2007
    Inventors: Fredrik Lilliestielke, Peter Mejegard, Mats Axelsson