US Patent 11497674 Percussive massage device having a USB port

A percussive massage device includes an upper half housing, an electric motor, a lower half housing, and a handle. In response to activating the motor, the eccentric counterweight rotates. And in turn, the link converts the rotational motion of the counterweight into a reciprocating linear motion of the follower. The application head strongly moves back and forth to treat body stress or pain of a user.