Patents by Inventor Vladimir Davydovich Rabko

Vladimir Davydovich Rabko 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).

  • Double-piston rock drill
    Patent number: 4036309
    Abstract: A rock drill has a housing accommodating pistons defining working chambers. Rotary drive of a drill steel has an overrunning clutch and a screw pair. The screw pair is arranged between the pistons and is formed by outer and inner helical threads respectively provided on these pistons. One of the pistons is kinematically connected with the housing, and the other piston which cooperates, during the drilling, with a chuck receiving the drill steel shank is in force transmitting connection with the rotary drive of the drill steel.The invention is aimed at lowering vibration of the rock drill housing by arranging the screw pair of the rotary drive between the pistons.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: July 19, 1977
    Inventors: Anatoly Mikhailovich Petreev, Anatoly Alexeevich Lipin, Vladimir Davydovich Rabko, Gennady Ilich Suxov, Vladimir Ivanovich Kunegin, Alexandr Safronovich Kurdjukov