Patents Assigned to Kuniko Saita
  • Hand truck
    Patent number: 4114916
    Abstract: A hand truck includes a main load-supporting frame and a temporary load-supporting section at one end thereof slidably supported on the main frame such that pivotal movement of the hand truck about is wheels results in a shifting of the center of gravity of the material loaded on the main frame toward the axes of the wheels.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: September 19, 1978
    Assignee: Kuniko Saita
    Inventor: Shoji Oyama