Patents by Inventor Gunter Czapla

Gunter Czapla 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: 4754875
    Abstract: A roll film magazine frame for supporting a film spool which receives a roll film and for inserting through an insertion opening into a shaft of a micro roll film reading device, the roll film magazine frame comprises a polygonal body part having a plurality of sides and a plurality of corners each between two adjacent sides, the body part having a recess provided in one of the sides for introducing a film from a film coil into the reading device, an opening provided in another side for introducing a friction member of the reading device for contacting a roll film on the film spool, the side of the body part including a further side which is accessible from outside when the magazine frame is inserted in the shaft, the further side being formed as a cover which is turnable outwardly away of a remaining portion of the body part so as to allow withdrawal of the film spool from the body part and insertion of another film spool into the body part.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: July 5, 1988
    Assignee: AGFA-GEVAERT AG
    Inventors: Walter Rauffer, Eugen Schuhmeir, Gunter Czapla