Patents by Inventor Peter Schw{umlaut over (a)}rzler

Peter Schw{umlaut over (a)}rzler 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).

  • Driveshafts having convoluted boot seals with ventilation for joint interior
    Patent number: 6179717
    Abstract: A convoluted boot has a boot portion with annular folds, and collar portions adjoining the boot portion at both ends. A ventilation aperture is formed in the smaller one of the collar portions, the convoluted boot is provided for a universal joint which has an outer joint part and an inner joint part connected to a driveshaft. A larger collar portion is securable to the outer joint part and a smaller collar portion to the driveshaft. Inside the boot portion, near the smaller one of the collar portions, there is arranged an annular lip which is dimensioned in such a way that, with the driveshaft being axially aligned relative to the outer joint part, it rests under pre-tension against the driveshaft.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: January 30, 2001
    Assignee: GKN Lobro GmbH
    Inventor: Peter Schw{umlaut over (a)}rzler