Constant velocity universal joint

A constant velocity universal joint comprising an outer joint member, an inner joint member that transmits torque with the outer joint member while allowing angular displacement via a torque transmitting member, a power transmission shaft connected to the inner joint member in a torque transmittable manner, and a detachable mechanism provided between the inner joint member and the power transmission shaft so as to detach the power transmission shaft from the inner joint member, wherein

• the detachable mechanism includes a cylindrical member externally fit onto the power transmission shaft, a fixing member accommodated to be movable in a radial direction in the cylindrical member, and an annular member disposed to be movable in an axial direction on an outer periphery of the cylindrical member, and
• a locking claw is provided at an end of an inner joint member side of the annular member, and a locking groove is provided at an end of an annular member side of the inner joint member, and the locking claw of the annular member is fitted into the locking groove of the inner joint member.