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US 2025/0172909 A1Published application
Mechanical Watch
AssigneeSeiko Epson Corporation
InventorKeiichi MUKAIYAMA
Life of this patent
Estimating the term…
Abstract
A mechanical watch includes an escapement including a silicon-made escape wheel, and a configuration in which an hour hand, a minute hand, and a second hand are collected at one place. A ganging pin of an escape wheel and pinion including the escape wheel and a fourth winding pinion of a fourth wheel and pinion to which the second hand is attached are engaged. A shaft of the fourth wheel and pinion is applied a biasing force by an elastic member in an axial direction toward a side where the second hand is attached.
Claims4
A mechanical watch comprising:
- an escapement including a silicon-made escape wheel, and a configuration in which an hour hand, a minute hand, and a second hand are collected at one place, wherein
- a ganging pin of an escape wheel and pinion including the escape wheel and a fourth winding pinion of a fourth wheel and pinion to which the second hand is attached are engaged, and a shaft of the fourth wheel and pinion is applied a biasing force by an elastic member in an axial direction toward a side where the second hand is attached.
Dependencies are inferred from the claim text.