Patents by Inventor Stephen E. Simatovich

Stephen E. Simatovich 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: 4196944
    Abstract: A die set which includes upper and lower die shoes including guide posts fixed to the upper die shoe and bushings fixed to the lower die shoe. A sleeve is mounted on the guide posts by removable fasteners. A sleeve bearing including ball bearings and a bearing retainer cage are mounted on the guide post sleeves. Inserts are provided in the bushings and are secured by removable fasteners for readily removing the inserts. The ball bearings run inside the inserts during die operation. When replacement is needed due to wear, the guide post sleeves are removed and replaced, and the inserts are removed and replaced, without disturbing the guide posts themselves or the bushings. Oilers and seals and hardened set screws are used to contribute to prolonged life.
    Type: Grant
    Filed: February 1, 1978
    Date of Patent: April 8, 1980
    Inventor: Stephen E. Simatovich