ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,124, issued on May 26, was assigned to Roland Corp. (Shizuoka, Japan).

"Elastic body, head, percussion instrument, and attachment method of elastic body" was invented by Yutaka Morita (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elastic body is attached to a percussion instrument including a body part and a head, the body part having an opening on an upper end side thereof, the head covering the opening of the body part and having attachment holes formed therein. The elastic body includes: a struck part, arranged on an upper surface of the head; insertion parts, protruding downward from the struck part; and a hook part, formed t...