Patents by Inventor Shun-Ichirou Saitou

Shun-Ichirou Saitou 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).

  • Hoist for elevator
    Patent number: 7500652
    Abstract: A hoisting machine for an elevator includes a motor having a motor body and a rotary shaft rotatable with respect to the motor body and a boss, which is a handle fit/removal member and is fixed to the rotary shaft. A manually operated handle for manually rotating the rotary shaft can be removably fitted on the boss. The boss is provided with a rotation prevention portion for preventing, when the manually operated handle is fixed to the boss, the manually operated handle from rotating with respect to the boss in a rotational direction of the rotary shaft.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: March 10, 2009
    Assignees: Mitsubishi Electric Corporation, Mitsubishi Electric Building Techno-Service Co., Ltd
    Inventors: Shigenobu Kawakami, Takayuki Shimizu, Shun-Ichirou Saitou
  • Hoist for Elevator
    Publication number: 20070235703
    Abstract: A hoisting machine for an elevator includes a motor having a motor body and a rotary shaft rotatable with respect to the motor body and a boss, which is a handle fit/removal member and is fixed to the rotary shaft. A manually operated handle for manually rotating the rotary shaft can be removably fitted on the boss. The boss is provided with a rotation prevention portion for preventing, when the manually operated handle is fixed to the boss, the manually operated handle from rotating with respect to the boss in a rotational direction of the rotary shaft.
    Type: Application
    Filed: December 1, 2004
    Publication date: October 11, 2007
    Applicants: Mitsubishi Electric Corporation, Mitsubishi Electric Build
    Inventors: Shigenobu Kawakami, Takayuki Shimizu, Shun-Ichirou Saitou