Patents by Inventor Kenneth Helgesson

Kenneth Helgesson 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: 8899905
    Abstract: A boom truck includes a telescopic lifting boom with a lifting unit and a support structure having a first support arranged on the chassis of the boom truck. A second support in the form of an elongated bearing and support beam body extends in the longitudinal direction of the boom truck. The beam body is pivotally mounted to the first support about a rear bearing axis, whereas the lifting boom is pivotally mounted to beam body about a front bearing axis. Actuators act on the beam body and the lifting boom as a unit and act to pivot the lifting boom about the front bearing axis.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: December 2, 2014
    Assignee: Cargotec Patenter AB
    Inventor: Kenneth Helgesson
  • Publication number: 20100288718
    Abstract: A boom truck, enabling handling of freight containers both above as well as below ground level, is disclosed having a telescopic lifting boom with a lifting unit for carrying the container and a support structure having a first support arranged on the chassis of the boom truck at the rear portion thereof. According to the invention, the support structure further has a second support in the form of an elongated bearing and support beam body for the lifting boom, which extends in the longitudinal direction of the boom truck and has a rear end located close to the rear end of the chassis and a front end located close to the front end of the chassis, and which is further pivotally mounted to the first support about a rear bearing axis located close to the rear end of the beam body, whereas the lifting boom is pivotally mounted to the beam body about a front bearing axis located close to the front end of the beam body and close to the front end of the base portion of the lifting boom.
    Type: Application
    Filed: December 23, 2008
    Publication date: November 18, 2010
    Inventor: Kenneth Helgesson
  • Patent number: 6138844
    Abstract: A boom truck is provided which has optimum operating and transport positions. In the operating position an operator's cab is mounted substantially centrally of the chassis of the boom truck, with the boom above the cab and pivotally mounted to the rear of the cab (over the rear axle) for rotation about a first horizontal axis to provide a lifting force when the boom is pivoted by a hydraulic cylinder or similar linear actuators. In transforming the boom truck to an ease of transport position, the cab is slid on rails to one side of the chassis (preferably in the direction substantially parallel to the axles of the chassis), the support for mounting the pivot for the boom is itself pivoted about a second substantially horizontal axis so that the boom lowers, and ultimately the boom moves to a position next to the cab, with at least part of the boom, and perhaps substantially all of the boom, below the top of the cab.
    Type: Grant
    Filed: July 22, 1999
    Date of Patent: October 31, 2000
    Assignee: Kalmar Industries Sverige AB
    Inventor: Kenneth Helgesson
  • Patent number: 6024232
    Abstract: A boom truck is provided which has optimum operating and transport positions. In the operating position an operator's cab is mounted substantially centrally of the chassis of the boom truck, with the boom above the cab and pivotally mounted to the rear of the cab (over the rear axle) for rotation about a first horizontal axis to provide a lifting force when the boom is pivoted by a hydraulic cylinder or similar linear actuators. In transforming the boom truck to an ease of transport position, the cab is slid on rails to one side of the chassis (preferably in the direction substantially parallel to the axles of the chassis), the support for mounting the pivot for the boom is itself pivoted about a second substantially horizontal axis so that the boom lowers, and ultimately the boom moves to a position next to the cab, with at least part of the boom, and perhaps substantially all of the boom, below the top of the cab.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: February 15, 2000
    Assignee: Kalmar Industries Sverige AB
    Inventor: Kenneth Helgesson
  • Patent number: D262614
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: January 12, 1982
    Assignee: Kalmar Last Maskin Verkstad AB
    Inventor: Kenneth Helgesson