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US 11,693,365 B2Granted
Watch component, movement, watch and method for manufacturing watch component
AssigneeSeiko Epson Corporation
InventorsTakeo Funakawa, Munehiro Shibuya
Life of this patent
Estimating the term…
Abstract
Provided is a watch component made of silicon and including a front surface, a back surface, and a side surface intersecting with the front surface and the back surface, the watch component including a first recessed portion formed at the front surface side, a second recessed portion formed at the back surface side, and a communicating groove causing one of the first recessed portion and the second recessed portion to communicate with the side surface.
Claims6
A watch component made of silicon, the watch component comprising:
- a front surface including a first recessed portion;
- a back surface including a second recessed portion;
- and
- a side surface intersecting with the front surface and the back surface, the side surface communicating with one of the first recessed portion and the second recessed portion via a communicating groove;
- a through hole formed at a position where the first recessed portion and the second recessed portion overlap in plan view and through which a shaft is inserted;
- and
- two arms formed in the other of the first recessed portion and the second recessed portion, and pressing the shaft,
- wherein the communicating groove has a depth that is the same as that of one of the first recessed portion and the second recessed portion.
5 more elements
Dependencies are inferred from the claim text.