US Patent 11295710 Bass drum pad and drum kit

A bass pad includes a frame body, a pad body, and a leg-opening mechanism. The frame body includes a pad base and a main post. The pad base is fixed to a clamp of a pedal device. The main post is arranged integrally with the pad base. The leg-opening mechanism includes two legs, two stays, and a sliding member. The height and angle of the pad base are adjusted by moving the sliding member in an axial direction of the main post to open or close the legs and the stays with respect to the main post.