Patent ID: 8093478

Claim:
A percussion instrument, comprising: a main board formed into a plate-like shape and having a surface; a drum board configured to be unfoldable from and foldable to said main board; and a drum board supporting link member pivotably mounted to said main board at a proximal end thereof and having a free end to which said drum board is pivotably mounted, wherein said drum board is configured to be unfoldable from main board in such a manner that an extended surface thereof crosses with the surface of the main board vertically arranged at the time of a musical performance, and said drum board and said link member are configured to be foldable to said main board at the time of storage in default of a musical performance, wherein said link member comprises a plurality of support members, each of which has a free end and a proximal end, and each support member is mounted at the proximal end to a part fixed relative to said main board such that the free end is displaceable in position; and said drum board comprises a plurality, of drum boards, each of which is mounted at the free end to a corresponding one of said support members, and each drum board of said plurality of drum boards is changeable between an unfolded configuration suitable for a musical performance and a folded configuration suitable for storage by being configured to be unfoldable from and foldable to said main board via said support member, wherein each of said drum boards is disposed closer to said main board when it is in the folded configuration than when it is in the unfolded configuration, and wherein said drum boards are configured to be foldable to said main board at the time of both the unfolded configuration and the folded configuration.