Patents by Inventor Harold F. Holz

Harold F. Holz 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).

  • Articulated support rack for vehicles
    Patent number: 5181822
    Abstract: An articulated support rack (10) for a vehicle (12) having a trailer hitch sleeve (20). The support rack (10) includes a base member (28) having a tongue portion (41) slidably engaged with the trailer hitch sleeve (20). First and second frame members (30, 32) are pivotally mounted in spaced parallel relationship on the base member (28). A pair of arms (34) are pivotally attached to the top rail (54) of the frame members (30, 32) to remain in a substantially horizontal position as the frame members (30, 32) pivot between a substantially raised position and a substantially lowered position. A pair of lock plates (36) are pivotally mounted to the base member (28) and have notches (74) formed thereon to positively engage and lock the frame members (30, 32) in the raised position.
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: January 26, 1993
    Assignee: Allsop, Inc.
    Inventors: Ivor J. Allsop, Harold F. Holz, Eivind Clausen