Patents by Inventor Petr Ivanovich Podlesnykh

Petr Ivanovich Podlesnykh 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).

  • Impact wrench
    Patent number: 3952814
    Abstract: An impact wrench that may be used in various industries for tightening threaded fasteners. In the impact wrench, a hammer and an anvil are coaxially mounted in a space relationship and axially movable with respect to each other. The impact wrench is provided with a device for effecting said relative axial movement of the hammer and anvil for engagement of their impact jaws, and a device for interaction of the hammer and anvil prior to the engagement of their impact jaws.In the impact wrench, the hammer and anvil jaws are engaged over the entire height, whereby the wear of the jaws is considerably reduced, the energy of a single blow is increased, vibration as lowered and torque tightening is ensured.
    Type: Grant
    Filed: March 14, 1975
    Date of Patent: April 27, 1976
    Inventors: Mikhail Lvovich Gelfand, Yakov Isaakovich Tsipenjuk, Petr Ivanovich Podlesnykh, Georgy Afanasievich Antipov, Boris Grigorievich Goldshtein, Nikolai Stanislavovich Lavnikov, Leonid Nikolaevich Teres, Ivan Ivanovich Urazhdin, Petr Stepanovich Yakubovsky