US Patent 11873044 Personal mobility device

Disclosed is a personal mobility device including a towing module configured to allow various types of towed modules to be selectively connected and towed, and a connection device configured to connect the towing module and the towed modules. The connection device includes a connection member extending rearward from the towing module, a connection shaft having an upper side rotatably supported on the connection member and a lower side coupled to a shaft coupling hole formed on a connection frame of the towed module, and a locking device provided on the connection frame to lock the connection shaft.