The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
Dec. 23, 2020
Seiko Epson Corporation, Toyko, JP;
Koki Hayashi, Shiojiri, JP;
Yoshihiro Naito, Okaya, JP;
Abstract
A watch includes: a crown including a head portion and a shaft portion; a stem pipe including a first surface that includes an insertion hole through which the shaft portion is inserted and has a distance from a surface of the shaft portion as a first distance in cross-sectional view, and a second surface that is provided at a position closer to an end portion of the insertion hole than the first surface and has a distance from the surface of the shaft portion as a second distance larger than the first distance; a packing disposed between the surface of the shaft portion and the first surface; and a metal ring that is disposed between the surface of the shaft portion and the second surface and is in contact with the packing.