Patent ID: 6165080
Filing Date: 2000-12-26
Classification: A63B

Abstract:
A golf club head comprising:a front striking face;a rear side opposite the front striking face;a top surface extending between the front striking face and the rear side;an air inlet slot on the front striking face positioned substantially parallel to the top surface of the golf club head;an air outlet slot on the rear side positioned substantially parallel to the top surface of the golf club head;an internal air passage connecting the air inlet slot with the air outlet slot, the air passage including a venturi section comprising a constricted portion, a contracting portion extending from the air inlet slot to the constricted portion, and an expanding portion extending from the constricted portion to the air outlet slot, for generating an outlet air jet, the outlet air jet flowing out of the golf club head through the air outlet slot moving the golf club head in a predetermined direction parallel to the air outlet slot; anda lower surface of the contracting portion including a downward sloping entrance ramp extending from the air inlet slot on the front inlet face into the air passage.