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US 2021/0201860 A1Published application
Drum head and attachment method of cushion
AssigneeRoland Corporation
InventorsTakuma SAKA, Kenji SAKAMOTO
Life of this patent
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Abstract
A drum head and an attachment method of a cushion are provided. A drum head includes: a diaphragm; an outer cushion that is joined to the diaphragm and has a predetermined cushioning property; an inner cushion that is interposed between the outer cushion and the diaphragm and has a predetermined cushioning property; and at least one joint that joins the outer cushion to the diaphragm in a state in which the inner cushion is pressed against the diaphragm by the outer cushion.
Claims20
A drum head comprising:
- a diaphragm;
- an outer cushion that is joined to the diaphragm and has a predetermined cushioning property;
- an inner cushion that is interposed between the outer cushion and the diaphragm and has a predetermined cushioning property;
- and
- at least one joint that joins the outer cushion to the diaphragm in a state in which the inner cushion is pressed against the diaphragm by the outer cushion.
2 more elements
An attachment method of a cushion in a drum head, the drum head comprising a diaphragm;
- and the cushion comprising an outer cushion and an inner cushion which are joined to the diaphragm and have a predetermined cushioning property,
- the method comprising:
- a first step of joining the inner cushion to the diaphragm;
- and
- a second step of, after the first step, joining the outer cushion to the diaphragm by pressing the inner cushion against the diaphragm by the outer cushion.
2 more elements
Dependencies are inferred from the claim text.