Patents by Inventor Rato R. Buhler

Rato R. Buhler 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).

  • Method of fitting ophthalmic lenses in spectacles frames
    Patent number: 4300317
    Abstract: Glazing spectacles frames with correction of attending lens rim distortions by measuring the inner perimeter of the rims and edging the lenses to the measured perimetric size and proper pattern shape. Insertion of the edge lenses into the measured lens rims will cause the rims to conform to the edged lens profile and correct preexistent rim distortions.
    Type: Grant
    Filed: January 10, 1980
    Date of Patent: November 17, 1981
    Assignee: American Optical Corporation
    Inventors: George T. Croft, Rato R. Buhler
  • Lens chucking apparatus
    Patent number: 4277916
    Abstract: Manufacturing prismatic ophthalmic lenses by setting prism angle at the time of chucking for surface generation. The lens is secured to a block having a spherical edge insertable into a correspondingly internally spherical collet against adjustable stops for setting prism angle. Closing of the collet against the block fixes the lens for surface generation.
    Type: Grant
    Filed: March 14, 1980
    Date of Patent: July 14, 1981
    Assignee: American Optical Corporation
    Inventor: Rato R. Buhler
  • Convergence mechanism for binocular refracting instrument
    Patent number: 4243304
    Abstract: A mechanism which has a continuously variable amount of convergence and inward movement over the entire range of pupillary distance (PD) settings is disclosed. The repositioning of a pair of straight tracks transfers a continuously variable amount of motion to a pair of respective levers that control the position of a pair of carriages relative to the PD control and the angular relationship of lens batteries relative to the respective carriages.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: January 6, 1981
    Assignee: American Optical Corporation
    Inventor: Rato R. Buhler