Patents by Inventor John A. Jachim

John A. Jachim 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).

  • Roller for use in a conveyor-roller structure
    Patent number: 4375820
    Abstract: A roller apparatus is disclosed for use in a steel sheet transporting device including a table, a plurality of rolls upon which the steel sheet is transported, and water spray nozzels for cooling the rolls and the steel sheet. The roller apparatus including a plurality of helically arranged grooves for tracking the steel sheet to keep it centered as it passes over the transporting device, and for maintaining a controlled and even film of water over said rolls to cool the rolls and steel sheet while preventing the sheet from hydroplaning.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: March 8, 1983
    Assignee: Hi-Hard Rolls, Inc.
    Inventors: Joseph E. Vinarcsik, John A. Jachim
  • Conveyor roller structure
    Patent number: 4034837
    Abstract: A conveyor roller is disclosed which has flanges radially inwardly thereof at its ends. Stub shafts are secured to the flanges by bolts passing through mating flanges formed on the stub shafts. Threaded apertures are formed in the flanges of the stub shafts to receive bolts to bear against the flanges at the ends of the roller sleeve to function as screw jacks for removing the stub shafts. One end of the conveyor roller includes noncircular rotational restriction means to drive the conveyor roller.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: July 12, 1977
    Assignee: Hi-Hard Rolls, Inc.
    Inventors: Joseph E. Vinarcsik, John A. Jachim