Patents by Inventor Lorin E. Hermann

Lorin E. Hermann 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).

  • High lift tag axle for trucks
    Patent number: 5018593
    Abstract: A high lift tag axle for a concrete mixer truck or the like is pivotally attached to the rear of the truck through a pair of tag arms each having a lever arm, with a linkage arrangement interconnecting each lever arm to the truck frame, and a hydraulic cylinder connected to said linkage arrangement to align the linkage arrangement in a plane sufficient to lock the lift axle in a downward position where the wheels engage the road surface, and whereby the hydraulic cylinder can pivot as the linkage arrangement sufficient to pivot the tag axle into a position whereby the wheels are raised off of the road surface.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: May 28, 1991
    Assignee: Ashford Concrete, Inc.
    Inventor: Lorin E. Hermann