Patents by Inventor Ivan F. Dvorzhak

Ivan F. Dvorzhak 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 for clamping a circular saw blade
    Patent number: 4909113
    Abstract: A device for clamping a circular saw blade has a drive plate and a driven plate, a circular saw blade being clamped therebetween. The circular saw blade is clamped by means of clamping members, each being made in the form of a cam clamp. A handle of the clamp is provided with a weight and is received in a radial groove of the driven plate. A rod of the clamp form a threaded joint with the drive plate. In addition, each clamping member is engageable with a spring-biased slide block which interconnects the drive and driven plates.
    Type: Grant
    Filed: November 1, 1988
    Date of Patent: March 20, 1990
    Assignee: Mariupolskii Metallurgicheskii Institut
    Inventors: Anatoly A. Ischenko, Vyacheslav A. Korchagin, Jury E. Kim, Ivan F. Dvorzhak, Vladimir S. Letyaev, Alexandr K. Grebe, Albert A. Rybalchenko, Vitaly V. Saiko