TIMEPIECE
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United States of America Patent
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N/A
Issued Date -
Sep 5, 2024
app pub date -
Feb 26, 2024
filing date -
Mar 1, 2023
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A timepiece includes a case, a dial having a circular plate shape and accommodated in the case, an inner rotating ring formed in a ring shape along an outer peripheral edge of the dial and rotatable in a circumferential direction, a rotation operation unit configured to rotate the inner rotating ring, and a rotation restriction unit configured to restrict an operation of the rotation operation unit. The inner rotating ring includes a plurality of tooth portions. The rotation operation unit includes a rotation shaft portion rotatable around a shaft center along a radial direction of the dial, and a drive transmission gear provided in the rotation shaft portion and meshing with the tooth portions to rotate the inner rotating ring. A plurality of locking portions is formed in the drive transmission gear at different positions in a direction around a shaft. The rotation restriction unit includes a lock receiving portion biased toward the locking portion and detachably locked to the locking portion. The lock receiving portion restricts rotation of the drive transmission gear by being locked to the locking portion.
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