Patents by Inventor Charles D. Earls

Charles D. Earls 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 and apparatus for carrying out maintenance of web handling shafts
    Patent number: 8360442
    Abstract: A system for exchange and reconditioning of winding or rewinding multi-components shafts associated with a web handling device comprising an omni-directional mobile cart having a plurality of subassemblies thereon for receiving, storing and transfer of one or more clean and/or to-be-reconditioned shafts between the web handling device and a maintenance station wherein a shaft is mounted in similar manner to the mounting of the shaft on the web handling device for disassembly, cleaning, repairing reassembly and storage of the clean shaft on the cart in anticipation for subsequent exchange of such clean shaft for a to-be-reconditioned shaft mounted on the web handling device. In the system, the removal of the to-be-reconditioned shaft from the web handling device, storage of this shaft on the cart and installation of a clean shaft previously stored on the cart are all performed without modification or material repositioning of the cart from its initially established position relative to the web handling device.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: January 29, 2013
    Inventor: Charles D. Earls
  • Method And Apparatus For Carrying Out Maintenance Of Web Handling Shafts
    Publication number: 20110016686
    Abstract: A system for exchange and reconditioning of winding or rewinding multi-components shafts associated with a web handling device comprising an omni-directional mobile cart having a plurality of subassemblies thereon for receiving, storing and transfer of one or more clean and/or to-be-reconditioned shafts between the web handling device and a maintenance station wherein a shaft is mounted in similar manner to the mounting of the shaft on the web handling device for disassembly, cleaning, repairing reassembly and storage of the clean shaft on the cart in anticipation for subsequent exchange of such clean shaft for a to-be-reconditioned shaft mounted on the web handling device. In the system, the removal of the to-be-reconditioned shaft from the web handling device, storage of this shaft on the cart and installation of a clean shaft previously stored on the cart are all performed without modification or material repositioning of the cart from its initially established position relative to the web handling device.
    Type: Application
    Filed: July 21, 2009
    Publication date: January 27, 2011
    Inventor: Charles D. Earls