Patents by Inventor Benno Ibo Bonga

Benno Ibo Bonga 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: 3939322
    Abstract: A tool holder assembly, particularly for holding an electrode tool on the end of the quill or ram of an electro-erosion machining apparatus, comprising a tapered bore disposed at the end of the quill or ram and a taper-shank electrode tool fitting the tapered bore, combined with manually releasable spring biased means for exerting on the electrode tool taper-shank a force urging it into engagement with the tapered bore, and with manually operable means for exerting on the electrode tool taper-shank a force in an opposite direction for disconnecting the taper-shank from the tapered bore. Angular positioning abutment means are also provided for angularly locating the electrode tool in the holder assembly.
    Type: Grant
    Filed: June 10, 1974
    Date of Patent: February 17, 1976
    Assignee: Ateliers des Charmilles, S.A.
    Inventor: Benno Ibo Bonga