Patents by Inventor Franz Vorsmann

Franz Vorsmann 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: 5179988
    Abstract: A rolling shutter for a roof or wall window includes an apron, a shaft for rolling up and unrolling the apron, and two spaced lateral supports fixed with respect to the window for rotatably supporting the shaft. Two parallel side parts are rotatably supported in the two supports for rotation about an axis extending parallel to the shaft. The two side parts include guides for guiding the apron in rolling-up and unrolling movements thereof. The guides have rear extensions facing the shaft. An upper trim extends between the two side parts and is connected thereto for covering the apron from above. The rear extensions of the guides are spaced in all rotational positions of the two parts, from the shaft axis a distance substantially corresponding to a maximum radius of the shaft. The guides and the shaft define a space such that the apron can move freely therein without being damaged.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: January 19, 1993
    Inventor: Franz Vorsmann
  • Patent number: 4995440
    Abstract: A rolling shutter for wall or roof openings, especially in connection with a turnable roof window comprises a rolling shutter web composed of a plurality of rolling shutter elements pullable from one another for forming light gaps, a rolling shutter shaft for winding and unwinding of the rolling shutter web, supports for rotatably supporting the rolling shutter web, two parallel side walls connected with the supports for guiding lateral ends of the rolling shutter webs, an actuating device having a mechanism for an opening movement of the rolling shutter web and a pulling device engaging a free front end of the rolling shutter web and supporting or performing its closing movement, the rolling shutter elements including a front rolling shutter element and a rear rolling shutter element, a pulling rope connecting the front rolling shutter element and the rear shutter element, the pulling rope being fixedly connected with the rear rolling shutter element and being connected with the front rolling shutter element
    Type: Grant
    Filed: February 13, 1990
    Date of Patent: February 26, 1991
    Inventor: Franz Vorsmann