Patents by Inventor Rolf Wellpott

Rolf Wellpott 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: 6378689
    Abstract: A vertical conveyor (1) for a palletizing apparatus for stacking products (2), especially books, periodicals or other such printed products on a pallet, including carriers (7) driven by a drive chain (19) on a closed path and guided horizontally by a guiding means (24), in which the carriers (7) have finger-like supports (9) which move vertically through associated open areas (5, 29) of a delivery conveyor (27) and of a stacking apparatus (3) and there pick up and lay down the products (2). The carriers (7) are constructed as a turning device and have four finger-like supports (9) arranged in a cross shape about an axis of rotation (8), which can be rotated about the axis of rotation (8) in steps of 90° in the horizontal plane, and the open areas (5, 29) of the delivery conveyor, which are associated with the finger-like supports (9) of the carriers (7) and the stacking apparatus, are arranged in a cross shape.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: April 30, 2002
    Assignee: WST Steuerungstechnik GmbH
    Inventor: Rolf Wellpott