Patents by Inventor Marek Olsza?ski

Marek Olsza?ski 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).

  • Method for mounting a ranging arm on a body of a longwall shearer loader
    Patent number: 9200513
    Abstract: The method for mounting a ranging arm on a body of a longwall shearer loader characterized by the fact that the shearer's ranging arm (7) is pivotally connected through the eyes (9) and at least one pin (3) with the eyes of the articulated joint (6) located from the side wall side in the bottom part of the shearer's body (5) outside of the chain conveyor (11). The axis of the pin or pins (3) is situated below the axis of the motor (12) of the shearer's ranging arm (7). The hydraulic cylinder (4) is pivotally connected with the eyes (8) of the shearer's ranging arm (7) located between the eyes of the articulated joint (6) with a pin (2), the axis of which is situated above the axis of the motor (12) of the shearer's arm (7). The hydraulic cylinder (4) is pivotally connected with the shearer's body (5) with a pin (1), the axis of which is situated below the axis of the motor (12) of the shearer's arm (7) and below the axis of the feed drive shaft (10).
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: December 1, 2015
    Assignees: Famur Spółka Akcyjna, Fumur Institute Sp. z o.o
    Inventors: Ryszard Bednarz, Pawel Gwiaździński, Lukasz Gonsior, Marek Olszański