US Patent 10343037 Golf club having striking face with supporting wall

A golf club head has a striking face. A ledge extends from the perimeter contact rim of the golf club head. The striking face is secured to the club head body proximate the rim. There is a gap between the striking face and the ledge. The inner wall's perimeter edge is disposed in the gap and is in contact with the ledge. The rear surface of the striking face is in contact with a portion of the inner wall. The sole of the golf club can be removable and provide a sole groove to allow the inner wall to be inserted behind the striking face.