Patents by Inventor Harald Elkuch

Harald Elkuch 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: 4741512
    Abstract: Lifting device or load-supporting apparatus for use in workshops. The apparatus is connected to a stand arranged on the floor by means of scissor-like connecting rods, at least two of the connecting rods are each coupled to an axle carried by the stand. The height of the rods are adjustable via at least two spring units which has a completely relaxed starting position. The two spring units are each connected to a bearing and an abutment over the entire lifting height of the load-supporting apparatus. A locking apparatus is associated with the spring units which permits the starting position of at least one spring unit to be fixed at different lifting heights.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: May 3, 1988
    Inventors: Harald Elkuch, Sigmund Elkuch