Patents by Inventor Bror Hult

Bror Hult 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: 5271156
    Abstract: The invention relates to a cutter guard (13, 14) in clearing assemblies (1) provided with a cutter (3) mounted on a shaft (6) and rotatable by means of a motor (11), said shaft (6) being carried in a body (8), the guard comprising a hub section (13) provided in association with the cutter (3) and essentially coaxial with the shaft (6), the hub section (13) having a diameter which is less than the diameter of the rotatable cutter (3) and carrying a plurality of fixed arms (14) which extend outwards beyond the periphery of the cutter (3).
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: December 21, 1993
    Assignee: FMG Timberjack AB
    Inventors: Bror Hult, Lennart Linder
  • Patent number: 5144748
    Abstract: The invention relates to a blade-protecting device (13, 14) for cleaning units (1) being provided with a rotary cutter or blade (3) which is supported on a shaft (6) and which can be rotated by means of a motor (11). The shaft (6) is mounted in a body (8). The blade-protecting device (13, 14) comprises a hub part (13) having a diameter being smaller than the diameter or the largest dimension of the rotatable blade (3). This hub part (13) is arranged substantially coaxially with the shaft (6) adjacent the blade (3) and is freely rotatable relatively to the body (8). A number of fixed, substantially radially oriented arms (14) are rigidly attached to the hub part and extend past the periphery of the blade or of the circle described by the rotating blade, said arms (14) preferably being arranged in locations spaced equiangularly around the hub part.
    Type: Grant
    Filed: May 30, 1991
    Date of Patent: September 8, 1992
    Assignee: FMG Timberjack AB
    Inventor: Bror Hult