Patent attributes
A supporting arm has a mounting seat, a buffering device and a body. The mounting seat is mounted on a table or a wall and has a mounting jacket and a top board. The mounting jacket has a through hole and an abutting face. The top board is detachably connected to the mounting jacket and has a mounting end and a connecting end. The buffering device is connected to the mounting seat and has at least one buffering shaft and a connecting frame. The at least one buffering shaft is pivotally connected to the connecting end of the top board. The connecting frame is pivotally connected to the at least one buffering shaft and abuts the mounting jacket. The body is connected to the buffering device through the mounting seat and has a pivotal end, a pivotal rod and an extending end.