Patents Assigned to Mechanische Weberei GmbH
  • Stand for a projection screen
    Patent number: 4340198
    Abstract: A projection screen stand has a post which normally can be supported in an upright position, e.g. by legs in a tripod arrangement, and provided with a holder for a tube which receives the screen and from which the screen can be withdrawn. According to the invention, the holder has a dovetail recess or slot and the tube has a complementary fitting or tenon receivable in this recess and designed to enable the tube to be withdrawn readily from the holder and used independently of the post.
    Type: Grant
    Filed: May 9, 1980
    Date of Patent: July 20, 1982
    Assignee: Mechanische Weberei GmbH
    Inventor: Helmut Meinunger
  • Projection screen stand
    Patent number: 4317553
    Abstract: A stand, especially for a projection screen, having a plurality of spreadable legs, comprises a post which is preferably of telescoping type, at the lower end of which is provided a guide for the legs. The legs are pivotal on a member which can be slid along the post so that in an upper position the legs are swung inwardly to form a compact, readily transportable and easily stored unit with the post. When the pivot carrier is moved downwardly toward the guide, the legs are spread apart outwardly.
    Type: Grant
    Filed: May 29, 1980
    Date of Patent: March 2, 1982
    Assignee: Mechanische Weberei GmbH
    Inventor: Helmut Meinunger