Patents by Inventor Michael F. Glass

Michael F. Glass 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).

  • Patent number: 8191873
    Abstract: A suspension system suitable for a trailer incorporates a device for limiting rotation of an axle received in an eye of a leaf spring. The leaf spring has a wrapped end defining the eye extending transverse to the leaf spring with a gap left between the leaf spring and the wrapped end thereof. The rotation limiting device is fixed to the axle and features a sleeve having a peripheral wall extending circumferentially about the axle inside the eye of the leaf spring and a tab projecting outward from the peripheral wall of the sleeve and extending in a direction parallel to the axis. The tab projects into the gap left between the leaf spring and the wrapped end thereof to block rotation of the axle and sleeve relative to the wrapped end of the leaf spring. Friction fit, adhesive, welding or multi-piece hardware fixing of the spring is avoided.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: June 5, 2012
    Inventor: Michael F. Glass
  • Publication number: 20100127444
    Abstract: A suspension system suitable for a trailer incorporates a device for limiting rotation of an axle received in an eye of a leaf spring. The leaf spring has a wrapped end defining the eye extending transverse to the leaf spring with a gap left between the leaf spring and the wrapped end thereof. The rotation limiting device is fixed to the axle and features a sleeve having a peripheral wall extending circumferentially about the axle inside the eye of the leaf spring and a tab projecting outward from the peripheral wall of the sleeve and extending in a direction parallel to the axis. The tab projects into the gap left between the leaf spring and the wrapped end thereof to block rotation of the axle and sleeve relative to the wrapped end of the leaf spring. Friction fit, adhesive, welding or multi-piece hardware fixing of the spring is avoided.
    Type: Application
    Filed: November 17, 2009
    Publication date: May 27, 2010
    Inventor: Michael F. Glass