Patents Assigned to Twinblade Technolgies Holding Sweden AB
  • Patent number: 9061360
    Abstract: A hub device for a pair of saw blades, which saw blades are arranged to rotate about the same rotational axis and in an opposite direction to one another. The hub device includes a first blade adapter, which has a support surface for the first saw blade, and a second blade adapter, which has a support surface for the second saw blade and a central fastener for a blade lock, which is arranged to secure both blades. The support surface of the first blade adapter is designed to engage the first saw blade. The support surface of the second blade adapter is designed to engage the second saw blade.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: June 23, 2015
    Assignee: Twinblade Technolgies Holding Sweden AB
    Inventor: Hans Ericsson