Patents by Inventor Masahiko Sakato

Masahiko Sakato 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).

  • Patent number: 4961543
    Abstract: A rotation adjusting apparatus in a crusher is disclosed which even if siding members of a rotational mechanism of the crusher wear in use, the wear is adjusted easily and rapidly. In the crusher, a rotational housing with a pair of pawls which crushes or cuts an object, such as a reinforced concrete or a steel frame, to be crushed or cut is held to a fixing member by a holding member such that a wear is adjustable, and the housing can be rotated to a desired rotational angle and fixed there by rotation restricters and a rotation stopper.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: October 9, 1990
    Assignee: Kabushiki Kaisha Sakato Kosakusho
    Inventors: Seiichi Sakato, Masahiko Sakato, Kunihiko Matsui, Nobuo Watanabe