Patents by Inventor Toshio Shimada

Toshio Shimada 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).

  • Oiling system for piston of internal combustion engine
    Patent number: 4359973
    Abstract: A piston is provided with a boss having a radial bore for reception of a piston pin. The upper portion of this bore receives lubricating oil through an oiling hole extending from a depression on the outer surface of the piston, the depression being open at the bottom and extending downward on opposite sides of the boss. Downward facing inclined walls form the upper limits of the depression and serve to cause flow of lubricating oil into the oiling holes.
    Type: Grant
    Filed: August 5, 1980
    Date of Patent: November 23, 1982
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventor: Toshio Shimada
  • Longwall coal mining machine with plural cutters on sub-ranging arm
    Patent number: 4027918
    Abstract: A coal mining machine intended to be used in a pit having a long-walled pit face and having a mechanism in which two cutting drums are attached to the main ranging arm of a ranging drum shearer through a sub-ranging arm and the position of said cutting drums is defined by the cooperation of said main- and sub-ranging arms.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: June 7, 1977
    Assignee: Taiheiyo Engineering Incorporated
    Inventors: Masao Hujimori, Shigeo Nakajima, Ken Takahashi, Tsunetoshi Ito, Toshio Shimada, Hajime Endo
  • Self-advancing support for use in the pit of coal or metal mine
    Patent number: 4002037
    Abstract: A self-advancing support for use in the pit of coal or metal mine designed to support the pit roof after the mining operation by a shearer and having a mechanism for enabling the self-advancing support to be moved without using such means as a truck and a lift, said mechanism being housed within the self-advancing support and/or detached therefrom.
    Type: Grant
    Filed: March 3, 1976
    Date of Patent: January 11, 1977
    Assignee: Taiiheiyo Engineering Incorporated
    Inventors: Masao Hujimori, Shigeo Nakajima, Ken Takahashi, Tsunetoshi Ito, Toshio Shimada, Hajime Endo, Nobuo Kiyama