Patents by Inventor Keiko SHINOBU

Keiko SHINOBU 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: 8991593
    Abstract: A chain conveyor includes a chain constituted of a plurality of links foldably coupled by pins. The links include roller-equipped links each having a roller. The chain conveyor includes a pushing-up mechanism for pushing up each roller to a protruding position. At the protruding position, each roller protrudes upward above a loading surface of the chain, on which articles are loaded. Accumulated articles are supported by the rollers arranged at the protruding position so that the articles are separate from and above the loading surface.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: March 31, 2015
    Assignee: Tsubakimoto Chain Co.
    Inventor: Keiko Shinobu
  • Publication number: 20140166443
    Abstract: A chain conveyor includes a chain constituted of a plurality of links foldably coupled by pins. The links include roller-equipped links each having a roller. The chain conveyor includes a pushing-up mechanism for pushing up each roller to a protruding position. At the protruding position, each roller protrudes upward above a loading surface of the chain, on which articles are loaded. Accumulated articles are supported by the rollers arranged at the protruding position so that the articles are separate from and above the loading surface.
    Type: Application
    Filed: November 22, 2013
    Publication date: June 19, 2014
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventor: Keiko SHINOBU