Of Winding Stems (construction Of Winding Crowns Subclass 24; In Combination With Hermetic Sealing Subclass 328) [g04b 37/10] Patents (Class 968/339)

Cross-Reference Art Collections

By screwing the crown onto the case [g04b 37/10d] (Class 968/340)
Of pushbuttons (winding up by pushbutton subclass 24; crown in the form of pushbutton subclass 34; construction of pushbuttons subclass 35) [g04b 37/10f] (Class 968/341)
  • Timepiece case and timepiece
    Patent number: 11487247
    Abstract: Provided is a timepiece case that does not require a seal ring, such as an O ring, that is made of a resin material. The timepiece case includes a case body configured from metallic glass; and a button part that is formed integrally with the case body and is flexible.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: November 1, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koki Takasawa, Kiyoto Takeda