Patents Represented by Attorney, Agent or Law Firm Armstrong, Kratz, Quintos, Manson & Brooks, LLP
  • Light inexpensive cross for mixers of concrete, mortar and similar materials
    Patent number: 6752527
    Abstract: The present invention relates to a cross used in mixers for concrete, mortar and similar materials, characterised in that it has a very light, inexpensive metal structure obtained with oxygen lance cutting technique and basically composed of three spokes projecting at 120° from a central hub; it being provided that the end of each spoke is fixed to a mixing arm by means of a series of bolts with vertical axis in order to prevent the arm from rotating around its axis when moving through the ingredients to be mixed.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: June 22, 2004
    Assignee: Officine Meccaniche Galletti, O.M.G. S. R. L.
    Inventor: Paolo Galletti