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US 9,959,849 B2Granted
Drum
AssigneeYamaha Corporation
InventorsBanri Abe, Ryuji Hashimoto, Keita Miyazaki
Life of this patent
Estimating the term…
Abstract
A drum, including: a shell; at least one head; and a vibration damping portion including at least one of (a) an outer-surface facing surface which is disposed in substantially parallel with and is closely opposed to an outer surface of an outer peripheral portion of the at least one head without contacting the outer surface and (b) an inner-surface facing surface which is disposed in substantially parallel with and is closely opposed to an inner surface of the outer peripheral portion of the at least one head without contacting the inner surface.
Claims8
A drum comprising:
- a shell;
- at least one head having an outer peripheral portion with an outer surface and an inner surface opposite the outer surface;
- a first vibration damping portion including an outer-surface facing surface disposed substantially parallel with and closely opposed to the outer surface of the at least one head without any member contacting both the outer-surface facing surface and the outer surface;
- and
- a second vibration damping portion including an inner-surface facing surface disposed substantially parallel with and opposed to the inner surface of the at least one head without interposing any member contacting both the inner-surface facing surface and the inner surface.
2 more elements
A drum comprising:
- a shell;
- at least one head having an outer peripheral portion with an outer surface and an inner surface opposite the outer surface;
- a first vibration damping portion including an outer-surface facing surface disposed substantially parallel with and closely opposed to the outer surface of the at least one head without contacting the outer surface;
- a second vibration damping portion including an inner-surface facing surface disposed substantially parallel with and opposed to the inner surface of the at least one head without contacting the inner surface;
- and
- a support member supporting each of the first and second vibration damping portions at a supporting position that is disposed spaced from the least one head.
3 more elements
Dependencies are inferred from the claim text.