Patent attributes
A bike carrier contains: a base, a connection rod, a first clutch device, and a second clutch device. The base includes a support rod and a fixing rod rotatably connected with the support rod. The first clutch device is defined between the support rod and the fixing rod of the base, and the first clutch device includes a first rotary knob and a first slider driven by the first rotary knob so that the support rod and the fixing rod are rotatably fixed between a vertical position and a horizontal position. The second clutch device is connected between the base and the connection rod, and the second clutch device includes a second rotary knob and a second slider driven by the second rotary knob so that the base and the connection rod are rotatably fixed among a using position, a collapsible position, and a declining position.