Patents by Inventor Robert J. Geis

Robert J. Geis 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).

  • Conveyor chain retainer shoe
    Patent number: 4492304
    Abstract: A retainer for preventing a conveyor drive chain from jumping off its sprocket is presented. The retainer comprises a shoe having a lining with an arcuate working surface of anti-friction material disposed over a lower run portion of the chain that is disposed over a drive sprocket. Coils springs bias the lining into engagement with the drive chain. Means are provided for maintaining the center of the working surface of the lining substantially concentric with the center of rotation of the drive sprocket.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: January 8, 1985
    Assignee: FMC Corporation
    Inventor: Robert J. Geis