Patents by Inventor William H. Rap

William H. Rap 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).

  • Tilter mechanism
    Patent number: 5297608
    Abstract: A tilter mechanism for rotating a headrail so as to tilt slats of a Venetian blind includes a fixed hollow drum secured to the headrail; a hollow rotary mechanism rotatably fixed in the hollow drum, including a pulley section and an fixing section engaged with the headrail for synchronous motion; and a tilt cord made of soft material wound around the pulley section such that pulling of the tilt cord results in the rotary mechanism and the headrail being rotated synchronously and the slats being tilted.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: March 29, 1994
    Assignee: Nien Made Enterprise Co., Ltd.
    Inventors: William H. Rap, Ira Gaber, Cooper C. Woodring