Patents by Inventor Boris Berdichevsky

Boris Berdichevsky 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: 4875397
    Abstract: A recess attachment with preset quick change tooling for use on a multiple spindle automatic machine includes a base formed and adapted to be mounted at a work station on an automatic machine. The base is movable in a defined direction during a machining operation and has a slide mounting surface in a plane forming a small acute angle with the direction of movement. A slide is positioned on the slide mounting surface and there are springs attached to the base and the slide inhibiting relative movement therebetween. A tool holder is removably mounted on the slide and there is an adjustment member positioned on the tool holder and a cooperating stop on the slide. The tool holder has a tool receiving opening and there are means for fastening a cutting tool in the opening. The base and slide move in unison to a precutting position.
    Type: Grant
    Filed: February 15, 1989
    Date of Patent: October 24, 1989
    Assignee: Sloan Valve Co.
    Inventor: Boris Berdichevsky