Internal Coaxial Member Having Straight Line Motion Patents (Class 362/424)
  • Patent number: 4214294
    Abstract: An adjustable reading lamp that is attachable to the back of a chair or the like for supporting the lamp in a generally vertical position regardless of the angular inclination of the mounting surface while at the same time affording an extremely wide range of adjustments whereby illumination from the lamp may be conveniently and easily directed into any desired viewing region.
    Type: Grant
    Filed: September 29, 1978
    Date of Patent: July 22, 1980
    Inventor: Charles C. Bartlett
  • Patent number: 4130858
    Abstract: The present invention relates to a device for moving lamps used in clinical situations.The moving device has rails and a support which is movable on these rails. The rails are buried in the ceiling and the lamp is suspended from the support. The lamp is movable across an opening provided in the bottom of the rails. A belt is stretched across the total area of said opening to completely seal the opening; the downward support for the lamp passes through this belt; and the belt is movable together with the movement of the lamp.
    Type: Grant
    Filed: April 13, 1977
    Date of Patent: December 19, 1978
    Assignee: Yamada Iryo Shomei Kabushiki Kaisha
    Inventor: Yoshito Hayakawa