Patents by Inventor Tadajiro Sasaki

Tadajiro Sasaki 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).

  • Balancer
    Patent number: 4460148
    Abstract: This invention relates to a balancer (8) for movably supporting an operating machine above an operating table. The balancer (8) comprises a link mechanism, a bracket (15) supported at the front end of the link mechanism for holding the operating machine, and a spring for loading the front end of the link mechanism or the bracket (15) with balancing force by means of an arm (23) and a pulling member; and a position of the action point on the arm (23) of the elastic force of the spring (48) is shifted by turning a handle (40).
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: July 17, 1984
    Inventor: Tadajiro Sasaki