Patents by Inventor Andrzej Bulenda

Andrzej Bulenda 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: 4420075
    Abstract: The invention provides a reliable connection between chutes of a heavy-duty chain-and-flight conveyor with considerable side loading.The connecting member is a shaped link, the shouldered end portions of which are coupled with the walls of the chutes to be connected with suitable yokes is characterized in that the inner flanged walls 13 and 14 of the catch 8 and securing end portion 9 of the connecting member 1, as well as the walls 15 and 16 of the yokes 2 and 3 co-operating with the latter are inclined relative to the plane 17 of the partition of the chutes 6 and 7 and convergent toward this partition plane. The catch 8 is mounted in a through hole 10 of the catch yoke 2, the strongly inclined wall 11 of the said hole 10 being so situated that it enables the catch to be introduced only in a case when the connecting member 1 has been inclined relative to the conveyor axis.
    Type: Grant
    Filed: April 8, 1981
    Date of Patent: December 13, 1983
    Assignee: Rybnicka Fabryka Maszyn Ryfama Przedsiebiorstwo Panstwowe
    Inventors: Wojciech Skolik, Jozef Wodecki, Zenon Gortat, Stanislaw Szyngiel, Andrzej Bulenda, Piotr Sopora