Abstract: A ball supply device includes rubber tee on which golf ball is safely mounted; a main body which is spaced apart from the rubber tee; a loading movement plate that is provided in an upper portion of the main body to partially seal the upper portion of the main body; a safe mounting guide portion that rotates on the front side of the main body and guides the golf balls released to the release hole to the rubber tee; a ball hitting portion that is rotatably provided on the front side of the main body to be rotated by the golf ball supplied to the safe mounting guide portion; a ball sensing portion that has one end located on the lower portion of the rubber tee; and a protective cover portion that surrounds the ball sensing portion.

Abstract: A ball supply device includes rubber tee on which golf ball is safely mounted; a main body which is spaced apart from the rubber tee; a loading movement plate that is provided in an upper portion of the main body to partially seal the upper portion of the main body; a safe mounting guide portion that rotates on the front side of the main body and guides the golf balls released to the release hole to the rubber tee; a ball hitting portion that is rotatably provided on the front side of the main body to be rotated by the golf ball supplied to the safe mounting guide portion; a ball sensing portion that has one end located on the lower portion of the rubber tee; and a protective cover portion that surrounds the ball sensing portion.