Patents by Inventor Naoki Inadomi

Naoki Inadomi 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).

  • Spring load adjustment structure of contact device and spring load adjustment method of contact device
    Patent number: 9269507
    Abstract: A contact device includes: fixed terminals; a movable contact maker; a pressing spring; an adjustment plate that comes into contact with an upper face of the movable contact maker; a holding portion; a movable shaft; and an electromagnet block. The holding portion is divided into first and second holding portions that are separated from each other. The first and second holding portions are electrically connected to each other via only the adjustment plate, due to the adjustment plate being sandwiched by a first side plate of the first holding portion and a second side plate of the second holding portion. The adjustment plate is moved in extending and contracting directions of the pressing spring, and the adjustment plate and each of the first and second side plates are subjected to resistance welding at a position at which pressing force of the pressing spring is a predetermined value.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: February 23, 2016
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hideki Enomoto, Hirokazu Asakura, Tetsuya Yamada, Ritsu Yamamoto, Naoki Seki, Toshiyuki Shima, Naoki Inadomi, Yoji Ikeda
  • SPRING LOAD ADJUSTMENT STRUCTURE OF CONTACT DEVICE AND SPRING LOAD ADJUSTMENT METHOD OF CONTACT DEVICE
    Publication number: 20150077202
    Abstract: A contact device includes: fixed terminals; a movable contact maker; a pressing spring; an adjustment plate that comes into contact with an upper face of the movable contact maker; a holding; a movable shaft; and an electromagnet block. The holding portion is divided into first and second holding portions that are separated from each other. The first and second holding portions are electrically connected to each other via only the adjustment plate, due to the adjustment plate being sandwiched by a first side plate of the first holding portion and a second side plate of the second holding portion. The adjustment plate is moved in extending and contracting directions of the pressing spring, and the adjustment plate and each of the first and second side plates are subjected to resistance welding at a position at which pressing force of the pressing spring is a predetermined value.
    Type: Application
    Filed: April 8, 2013
    Publication date: March 19, 2015
    Inventors: Hideki Enomoto, Hirokazu Asakura, Tetsuya Yamada, Ritsu Yamamoto, Naoki Seki, Toshiyuki Shima, Naoki Inadomi, Yoji Ikeda