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US 10,984,761 B2Granted
Key assembly and keyboard apparatus
AssigneeYamaha Corporation
InventorsKento Ogawa, Ichiro Osuga
Life of this patent
Estimating the term…
Abstract
A key assembly includes a capstan and a key. The key includes an upper surface, a hole part having a first inner side surface supporting the capstan, and an opening part arranged between the upper surface and the hole part, the opening part having a second inner side surface surrounding the capstan.
Claims20
A key assembly comprising:
- a capstan;
- and
- a key including:
- an upper surface,
- a hole part having a first inner side surface supporting the capstan, and an opening part arranged between the upper surface and the hole part, the opening part having a second inner side surface surrounding the capstan.
2 more elements
A keyboard apparatus comprising:
- a key bed;
- a key assembly comprising a capstan and a key, the key assembly being rotatably arranged with respect to the key bed;
- and
- an action mechanism coupled to the capstan;
- wherein the key includes:
- an upper surface,
- a hole part having a first inner side surface supporting the capstan, and an opening part arranged between the upper surface and the hole part, the opening part having a second inner side surface surrounding the capstan.
4 more elements
Dependencies are inferred from the claim text.