Patents by Inventor Markku Karilainen

Markku Karilainen 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: 5328197
    Abstract: A load distributing and articulating system in an all terrain vehicle of a tractor and a trailer arranged along a longitudinal axis. The trailer has a trailer body with a load section thereon. The system comprises a first pivot for articulating rotation between the tractor and the trailer in a vertical plane perpendicular to the longitudinal axis, about the longitudinal axis; a second pivot for articulating rotation between the trailer body and the load section, in a vertical plane along the longitudinal axis, about an axis perpendicular to the longitudinal axis; at least two variable length actuators disposed between the tractor and the load section for controlling rotation about said first and second pivots; an adjustable controller for varying the lengths of the variable length actuators independantly of each other; and a device for preventing the adjustable controller from varying the lengths of the variable length actuators, and for enabling variation of the lengths thereof.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: July 12, 1994
    Inventors: Lasse Karilainen, Markku Karilainen