Patents Assigned to Velsa Oy
  • Patent number: 4708218
    Abstract: A drive bogie for a crawler vehicle. The bogie comprises carrying wheels freely rotatably suspended on a solid or divided bogie beam. An endless crawler mat passes over the carrying wheels. At least one drive roll is provided, which drives the crawler mat and which is arranged to press the crawler mat against the wheels. The crawler mat is substantially resilient in every direction. The carrying wheels are suspended on the bogie beam so that the resilient crawler mat is pressed between the drive roll and carring wheels forming part of the bogie construction and situated at the sides of the drive roll.
    Type: Grant
    Filed: April 22, 1986
    Date of Patent: November 24, 1987
    Assignee: Velsa Oy
    Inventor: Markku Makela