Patents by Inventor Rudolf Wanzl

Rudolf Wanzl 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: 5836596
    Abstract: The invention relates to a shopping cart (1) with a chassis (2), a device (4) to push it, and a basket-like container (5) to accommodate goods carried by the chassis (2), the chassis (2) and the basket-like container (5) being designed in such a way that shopping carts (1) of the same kind can be pushed into one another in order to save space and the container (5) being composed of a carrying section (7) which is attached to the chassis (2) and which has a bottom (9), two side walls (8), and a back wall (21) and of an end piece (23) which is connected to and carried by the carrying section (7) and which is located facing the back wall (21). The essence of the invention consists of the end piece (23) being designed as a structural element made of plastic composed of one or more pieces and rigidly connected to the carrying section (7).
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: November 17, 1998
    Assignee: Wanzl GmbH & Co.
    Inventor: Rudolf Wanzl
  • Patent number: 5121823
    Abstract: A coin slide (11) bearing a coin is movable into a casing (2) of a coin lock (1) to release a locking member (14) and allow full insertion of the coin slide (11). In this position a space (recess 20) in the coin slide (11) is aligned with a space (aperture 21) in a coupling member (8) and with a space (aperture (19) in a casing position separating the coin slide (11) and the coupling member (8). A locking member (e.g. ball 18) in the apertures (19 and 21) may now be moved upwardly, on pulling of the coupling member (8), to occupy the recess (20) and the aperture (19) so as to allow complete withdrawal of the coupling member (8), e.g. to free a shopping trolley. The coin is released by reversing the procedure on re-insertion of the coupling member (8).
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: June 16, 1992
    Assignee: Wanzl GmbH & Co.
    Inventors: Rudolf Wanzl, Karl Ertle
  • Patent number: 4472908
    Abstract: An automatic gate arrangement has a hollow and tubular lower post part defining an upright post axis and fixed to one side of the path, an upper end wall transverse to the post axis, and lower fasteners releasably securing the upper end wall to the lower post part. A support fixed to the upper end wall extends upward along the post axis therefrom and pivotally supports a gate shaft at the post axis. A reversible drive motor fixed on and underneath the upper end wall in the lower post part has a rotary output extending through the upper end wall. A transmission between the rotary output and the shaft converts rotation of the output into oscillation about the post axis of the shaft. A C-shaped gate projects laterally from the post axis and is secured to the shaft by connecting means for joint rotation about the post axis unless the gate and shaft are relatively rotated about the post axis with a force exceeding a predetermined maximum force.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: September 25, 1984
    Assignee: Rudolf Wanzl KG
    Inventors: Rudolf Wanzl, Karl Ertle, Peter Bischof