Patents by Inventor Bertil K. A. Holmgren

Bertil K. A. Holmgren 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).

  • Method of replacing brake force transmission parts in vehicle wheel brakes
    Patent number: 4180898
    Abstract: In a key-activated vehicle wheel drum brake -e.g. a so-called S-cam-brake - means for automatically compensating the wear on the brake lining may be inserted between the key and the brake shoe ends by a method involving the steps of removing the original key as well as a predetermined part of the original brake shoe ends. A new key, new brake shoe ends and new automatic compensation means are subsequently added.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: January 1, 1980
    Assignee: Camph Engineering Company AB
    Inventors: Sven E. Camph, Bertil K. A. Holmgren