Patents by Inventor Franklin A. Oellig

Franklin A. Oellig 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).

  • Baling machine with air spring means for maintaining apron tension
    Patent number: 4414888
    Abstract: A roll baling machine includes a frame, an apron supported on the frame for forming roll bales of crop material, and an arm assembly mounted on the frame supporting part of the apron. Air springs urge the arm assembly in a direction to maintain tension in the apron. Bar structures pivotally connect the air springs to the arm assembly, and bracket members rigidly connect the air springs to the frame.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: November 15, 1983
    Assignee: Sperry Corporation
    Inventors: Willis R. Campbell, Franklin A. Oellig
  • Baling machine with improved arm assembly for controlling expansion of the upper apron
    Patent number: 4343141
    Abstract: A roll baling machine includes an apron movably supported on a base frame and a rear frame for forming roll bales of crop material. The rear frame is pivotally connected to the base frame. A rotatable arm assembly is mounted on the base frame and supports part of the apron. The arm assembly has guide members carried on front and rear arms for engaging the apron. When the machine is empty, the arm assembly is positioned so that its rear arms extend into the rear frame. When a completed bale has been formed, the arm assembly is positioned so that its rear arms are disposed outside the rear frame.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: August 10, 1982
    Assignee: Sperry Corporation
    Inventors: Franklin A. Oellig, Willis R. Campbell