Patents by Inventor Klaus Leinfelder

Klaus Leinfelder 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: 4706916
    Abstract: A support stand for a camera or other optical device comprises a head portion supported by support legs comprising first and second telescopically related tube portions, the inner tube portion forming the upper part of the respective leg and the outer tube portion forming the lower part. A fixing device for locking the tube portions of each leg relative to each other comprises an actuating member, a connecting rod and a clamping arrangement connected to the actuating member by the connecting rod and comprising at least one clamping cone member and at least one pressure element. The actuating member is carried on the inner tube portion in the vicinity of the support head portion of the stand. Actuation of the actuating member causes the pressure element to be expanded by displacement of the cone member until the pressure element bears against the inside surface of the outer tube portion, thereby to secure it in position relative to the inner tube portion.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: November 17, 1987
    Assignee: Cullmann Handelsgesellschaft fur Verbrauchsguter mbH
    Inventors: Wolfgang Cullmann, Klaus Leinfelder
  • Patent number: 4695021
    Abstract: A support stand for a camera or other optical device comprises a head portion supported by support legs comprising first and second telescopically related tube portions, the inner tube portion forming the upper part of the respective leg and the outer tube portion forming the lower part. A fixing device for locking the tube portions of each leg relative to each other comprises an actuating rod which extends within the tube portions and which carries at its lower end first and second clamping cone members which taper in the same direction and which are co-operable with respective pressure elements surrounding same.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: September 22, 1987
    Assignee: Cullmann Handelsgesellschaft fur Verbrauchsgutter mbH
    Inventor: Klaus Leinfelder