Patents by Inventor Hannu Knuutinen

Hannu Knuutinen 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: 8528922
    Abstract: A chassis for a vehicle includes a frame as well as a first axle and a second axle, on which the wheels of the vehicle are mounted on bearings. The axles are connected to the frame to swivel at least with respect to a vertical axis and a longitudinal axis, and are connected to each other by means of mechanisms for transmitting motion in such a way that the movements of the first axle are transmitted to the second axle, and vice versa. In the chassis, the mechanisms for transmitting the motion includes arms for transmitting motion between the axles, and the arms are configured to remain primarily parallel to the longitudinal direction of the frame, irrespective of the movements of the axles.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: September 10, 2013
    Assignee: Chasswheel Oy
    Inventors: Hannu Knuutinen, Ismo Toivanen
  • Publication number: 20120217732
    Abstract: The invention relates to a chassis for a vehicle, the chassis including a frame as well as a first axle and a second axle, on which the wheels of the vehicle are mounted on bearings and which axles are connected to the frame to swivel at least with respect to a vertical axis and a longitudinal axis, and in which chassis the axles are connected to each other by means of mechanisms for transmitting motion in such a way that the movements of the first axle are transmitted to the second axle, and vice versa. In the chassis according to the invention, the mechanisms for transmitting the motion includes arms for transmitting motion between the axles, which arms are configured to remain primarily parallel to the longitudinal direction of the frame, irrespective of the movements of the axles.
    Type: Application
    Filed: October 9, 2009
    Publication date: August 30, 2012
    Applicant: CHASSWHEEL OY
    Inventors: Hannu Knuutinen, Ismo Toivanen
  • Patent number: 4688811
    Abstract: A chassis structure of a vehicle or a working machine, to which belong the axles (3) of the wheels (2) connected to the frame (1) of the vehicle, which axles are articulated to the frame in such a way, that the wheels have been arranged mobile in the height direction of the vehicle. The handling characteristics of the present vehicles and working machines on an uneven surface are bad. According to the invention the axles are connected to the frame of the vehicle or the working machine with the intermediation of fastening organs (4, 5), favourably ball-and-socket joins, placed on the opposite sides of the axles to be moved in the length direction of the vehicle in regard of the connection spot.
    Type: Grant
    Filed: February 20, 1986
    Date of Patent: August 25, 1987
    Inventor: Hannu Knuutinen