Patents by Inventor Hannu Alava

Hannu Alava 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: 5673766
    Abstract: A tracked vehicle including a frame. A front track is rotatably attached to front track mounting member(s) connected to the frame with suspension member(s) so as to be movable in a vertical direction in relation to the frame. A vertically extending tubular steering shaft is attached to the front track unit. The steering shaft rotates the front track to steer the tracked vehicle. The steering shaft is connected to the frame with steering shaft mounting member(s) so as to be movable in a vertical direction in relation to the frame. A first gear is provided on the front track and a second gear is provided on the frame. The first gear and the second gear transmit driving power from the frame to the front track. An intermediate shaft extends through the tubular steering shaft from the first gear to the second gear for transmitting the driving power therebetween.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: October 7, 1997
    Inventor: Hannu Alava
  • Patent number: 5611572
    Abstract: A splash guard for a tracked vehicle, the tracked vehicle comprising a track unit which comprises a frame, a track wheel, and a track, the splash guard being placed in an immediate vicinity of the track and attached to the track unit by means of a support, the splash guard comprising on a side facing the track, two slide rails extending in a direction parallel to a direction of movement of the track, and the track being fitted to slide against the slide rails as the splash guard touches the track due to up and down motions of the track unit during travel.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: March 18, 1997
    Inventor: Hannu Alava