Patents by Inventor Christian H. Hershberger

Christian H. Hershberger 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).

  • Air spring with extensible fabric restraining cylinder
    Patent number: 4741517
    Abstract: There is disclosed a rolling lobe fluid spring (10) having a rigid end cap (12) and a piston (14) with a generally tubular air impervious flexible membrane (18) sealingly attached thereto to form the air spring. A fabric restraining cylinder (40) is provided circumferentially around the outer periphery of the flexible membrane. The cylinder is composed of at least two layers of fabric (41, 42) having primary cord reinforcements oriented at opposite bias angles such that the cylinder (40) is radially extensible and supports the rolling lobe (32) of the air spring. It also radially supports the flexible membrane (18) over the axial working stroke (WA).
    Type: Grant
    Filed: September 24, 1986
    Date of Patent: May 3, 1988
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Ivan J. Warmuth, II, Thomas E. Burkley, Christian H. Hershberger