Patents by Inventor Thomas Leth-Sorensen

Thomas Leth-Sorensen 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: 4515277
    Abstract: A holder with a plurality of spring clips for suspension of sheet material comprises two components, viz. a main housing 10, 11, 12 with a plurality of rectangular projections forming side walls in a plurality of cases 14, and a spring component comprising a plurality of clamping discs 19 which, by springs 18, are suspended from a mounting plate 13 forming a cover for the main housing 10.Each of the two components are manufactured in one piece by moulding in plastics. A corner of each case 14 (spring case) is provided with a wedge-shaped opening 17 for receiving a clamping disc 19 so that a part of this disc extends beyond the case 14, and a spring 18 inside the case keeps the disc resiliently engaged with an end face 15 of an adjacent case.The clamping discs 19 are mounted in their operational position by insertion of the spring clip component 13, 18, 19 in the main housing 10.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: May 7, 1985
    Inventor: Thomas Leth-Sorensen