Patents by Inventor Eberhard Jahn

Eberhard Jahn 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).

  • Sleeve plug for attachment to a spindle head
    Patent number: 4115018
    Abstract: A quickly attachable and releasable assembly for attachment to a spindle head includes a plug casing insertable into the spindle head, a stop nut thereon, and two bushings loosely connected to the nut. One bushing carries a plurality of locking balls and the other bushing has a cam surface to urge the balls inwardly to engage the head. A spring urges the bushings apart to cause the cam surface to so operate.
    Type: Grant
    Filed: September 28, 1977
    Date of Patent: September 19, 1978
    Inventors: Gustav Siegler, Eberhard Jahn