Patents by Inventor Robert D. Rahn

Robert D. Rahn 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).

  • Patent number: 6419434
    Abstract: An adjustable length cargo brace for restraining loads in semi-trailers comprising two legs, one connected to the other for through an offset collar permitting a limited pivotal and sliding movement between the two legs, a pin member on one of the legs approximate the offset collar which releaseably engages one of a series of openings positioned longitudinally along the opposite leg to engage the two legs together in a pivotally toggled action as they move into parallel contacting relation and a releaseable hook member mounted on one of the legs for engaging and retaining the other leg in parallel contacting relation.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: July 16, 2002
    Assignee: Harper Trucks, Inc.
    Inventor: Robert D. Rahn
  • Patent number: 6308967
    Abstract: A dual position hand truck includes a central frame having two side rails and a toe plate. Positioned at an upper end of the central frame is a U-shaped handle bar which has a hand gripping portion and two extended legs with castered wheels attached at their respective bottom ends. The handle bar is pivotally attached to the frame by a fixed shaft and a pair of support brackets. The support brackets also allow the extended legs to slide along their length. Attached to the support brackets is a spring biased locking bar which locks the handle bar against rotational movement relative to the frame.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: October 30, 2001
    Assignee: Harper Trucks, Inc.
    Inventors: John J. Stallbaumer, Robert D. Rahn