Patents by Inventor Torbjorn C. Andersson

Torbjorn C. Andersson 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).

  • Device in connection with choppers
    Patent number: 4694995
    Abstract: A device for use in choppers with a rotating chopper disk (10, 10a) having one or more knives attached to knife holders disposed radially on the chopper disk, which knife holders consist of a filler piece (18, 18a) fitting into a recess (14, 14a) in the chopper disk (10, 10a). The filler piece incorporates a mounting either for a knife (30a) shaped to fit the mounting, or for a knife holder cassette (26, 28) for the knife (30). The knife (30a) or the cassette (26, 28) are attached by means of fasteners (32, 48), such as screws or bolts, inserted from the top side of the chopper disk.
    Type: Grant
    Filed: December 3, 1986
    Date of Patent: September 22, 1987
    Assignee: Aktiebolaget Iggesunds Bruk
    Inventors: Erne L. Holmberg, Torbjorn C. Andersson