Patents by Inventor Rudolf Bieri

Rudolf Bieri 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: 4424912
    Abstract: A collapsable basket is disclosed, in which legs can be erected to a position in which the basket is supported above a floor, and in which the legs can be collapsed to allow the basket to rest on a floor without being supported by the legs. This erection and collapse of the legs is accomplished by handles located adjacent to the regions where the basket is grasped by a user, so that it is not necessary to let go of the basket to operate the legs. The invention is provided with various devices which prevent the legs from collapsing, once erected, unless such collapse is desired. Additionally, a special bearing is disclosed which is designed for use in this invention.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: January 10, 1984
    Inventors: Rudolf Bieri, Jakob Klaeui
  • Patent number: 4408688
    Abstract: An endless conveyor band guided around horizontal deflecting rollers, especially a transporter of bakery goods, is coated with a consumable bond-breaking substance by means of a device juxtaposed with a rising bight portion of the band hugging one deflecting roller. The device comprises a mobile carriage biased by gravity toward that deflecting roller from which it is held separated by a pair of spacing rolls. Coating material is applied to the band surface, at a plurality of axially spaced locations, by respective daubers which may be catapults periodically dipping into a bath of coating liquid, or guides for sticks of semi-solid coating material continuously pressed against the band. A distributor reciprocable in axial direction comprises a plurality of wipers sweeping a zone of the band above the daubers for spreading the locally deposited coating matter over the entire surface.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: October 11, 1983
    Assignee: Rud. Biere Maschinen Und Apparatebau AG
    Inventor: Rudolf Bieri