Patents by Inventor Bradley G. KAUFMAN

Bradley G. KAUFMAN 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).

  • Brake assembly having wear and failure indicator
    Patent number: 8807290
    Abstract: A brake assembly for a mobile machine is disclosed. The brake assembly may have a brake housing, an output member rotatably disposed within the brake housing, and a disc stack disposed within a cavity of the brake housing. The disc stack may include a plurality of friction discs coupled to the output member and a plurality of separator plates interleaved with the plurality of friction discs and coupled to the brake housing. The brake assembly may also have a piston disposed within the cavity and configured to compress the disc stack, and an indicator received within a bore of the brake housing against the piston. The indicator may include a first feature configured to provide at least one of visual and tactile indication of wear of the disc stack, and a second feature configured to provide at least one of a visual and tactile indication of failure of the disc stack.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: August 19, 2014
    Assignee: Caterpillar Inc.
    Inventors: David A. Kubicki, Wesley C. Worsham, Bradley G. Kaufman
  • BRAKE ASSEMBLY HAVING WEAR AND FAILURE INDICATOR
    Publication number: 20140097047
    Abstract: A brake assembly for a mobile machine is disclosed. The brake assembly may have a brake housing, an output member rotatably disposed within the brake housing, and a disc stack disposed within a cavity of the brake housing. The disc stack may include a plurality of friction discs coupled to the output member and a plurality of separator plates interleaved with the plurality of friction discs and coupled to the brake housing. The brake assembly may also have a piston disposed within the cavity and configured to compress the disc stack, and an indicator received within a bore of the brake housing against the piston. The indicator may include a first feature configured to provide at least one of visual and tactile indication of wear of the disc stack, and a second feature configured to provide at least one of a visual and tactile indication of failure of the disc stack.
    Type: Application
    Filed: October 5, 2012
    Publication date: April 10, 2014
    Applicant: CATERPILLAR INC.
    Inventors: David A. KUBICKI, Wesley C. WORSHAM, Bradley G. KAUFMAN