Patent ID: 7780552

Claim:
A golf tee, comprising: an upper body which has a spherical mounting surface formed on its upper surface for mounting a golf ball; a lower body which supports the upper body from a lower side with its lower end being sharp for an easier planting into a ground; a hole which passes through the upper body in an axial direction; a shoulder support surface which has a diameter larger than the hole and is formed on the mounting surface of the upper side of the hole at a certain depth; a button shaped fixing member which includes a circular plate part supported by the shoulder support surface, a protrusion part protruded from the circular plate part to the hole, and a rubber cord engaging hole which horizontally passes through the protrusion part; a rubber cord fixing hole which communicates with a lower side of the hole of the upper body and is formed from an upper surface of the lower body at a certain depth; and a rubber cord of which one end is fixedly inserted into the rubber cord engaging hole of the protrusion part, and the other end passes through the hole of the upper body and is fixed to the lower body through the hole of the rubber cord fixing hole, with the rubber cord being installed so as to provide a certain tensional force so that the upper body is pulled all the time to be straight with respect to the lower body, wherein a stopper cord made of a non-extendable material loosely installed in parallel with the tensional rubber cord for thereby preventing the rubber cord from being extended by a certain length when the upper body is bent, and the rubber cord is extended.