Patents by Inventor Nobuyuki TSUKUI

Nobuyuki TSUKUI 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: 20220170548
    Abstract: This seal structure of a cold storage comprises: a long member that has a magnetic portion configured from a magnetic material; and packing having a magnet that attracts and is attracted by the magnetic portion, a holding portion that holds the magnet, and a sealing portion that comes into close contact with the long member at a position further inward or outward of a cooling chamber than the holding portion when the cooling chamber is sealed, the packing increasing the distance between one portion of the magnet and the long member prior to increasing the distance between the other portion of the magnet and the long member during separation from the long member.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventors: Nobuyuki TSUKUI, Eiichi MORI, Eiji DOI
  • Publication number: 20220170688
    Abstract: Provided is a cold storage including: a sliding door; a lower frame for guiding a lower side of the sliding door, the lower frame having a recessed part; an upper frame for guiding an upper side of the sliding door; and a first sealing member having a first attachment part, which is a portion attached to the sliding door, and a first tip-end. A cross-sectional shape of the first sealing member is an arcuate shape. The first attachment part is located at the uppermost side of the first sealing member. The first tip-end is located at the lowermost side of the first sealing member. When a wheel of the sliding door drops into the recessed part, an outer peripheral surface of the first sealing member is brought into close contact with the upper frame or the lower frame.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventors: Nobuyuki Tsukui, Eiichi Mori, Eiji Doi
  • Publication number: 20220170687
    Abstract: This cold storage is provided with: a first sliding door that opens/closes a cold chamber; a second sliding door that opens/closes the cold chamber, and is positioned between the cold chamber and the first sliding door when the cold chamber is fully open; a compressor disposed at a position that becomes closer to the closed end of the second sliding door than the closed end of the first sliding door when the cold chamber is fully closed; a fan that generates air flow passing the surroundings of the compressor; and a housing that accommodates the compressor, and has formed therein a blow port for blowing out the air flow toward the first sliding door and the second sliding door.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventors: Nobuyuki TSUKUI, Eiichi MORI, Eiji DOI