Patents by Inventor Jung Yi

Jung Yi 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: 5063664
    Abstract: A process for manufacturing wheel hub comprises an iron tube being swaged in wave form that can be cut to form a plurality of axle tubes; a plurality of bearing receiving bowls and a plurality of bowl holders. Each axle tube has a hub flange by stamping. Each hub flange has at its face plate a plurality of spoke holes and therein a bowl receiving recess. For the front wheel hub each bearing receiving bowl has at its bottom center an axial hole corresponding to the axial hole of the axle tube. In alignment with the axial hole of the bearing receiving bowl and the axial hole of the axle tube, the bearing receiving bowls are respectively provided for permitting to insert into the bowl receiving recesses and defining as a front wheel hub. For the rear wheel hub, the bowl holders have an inner surface, attaching to the outer portion of each bearing receiving bowl by brazing, being defined as a front portion.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: November 12, 1991
    Inventor: Jung-Yi Huang