Patents by Inventor Keiichi Koroki

Keiichi Koroki 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).

  • Publication number: 20140014443
    Abstract: The purpose of the present invention is to provide a hoist that has a simple configuration while being capable of withstanding heavy loads. Accordingly, the hoist (1) is provided with: a sheave (10); a left stand (11) and a right stand (12) that rotatably support the sheave (10) at both ends in the axial direction; a rotor (4) installed on the end of the sheave (10) on the left stand (11) side; a stator (5) installed at a position facing the inner diameter side of the rotor (4); a brake disc (30) installed on the same axis as the sheave (10) on the end of the sheave (10) on the right stand (12) side; and a brake device (31) that is installed on the right stand (12), and that applies pressure to the brake disc (30) to provide braking.
    Type: Application
    Filed: October 13, 2011
    Publication date: January 16, 2014
    Inventor: Keiichi Koroki