Abstract: A golf club head includes a front member and a rear member. The rear member has a neck, and the front member has a face and a flexible portion projected from a top of a back side of the face. The front member is connected to the rear member to form the golf club head with the flexible portion as at least a part of a crown of the golf club head.

Abstract: A golf club head comprises a shock absorption device, which is made of a light shock absorbing material with a specific weight less than two, such as magnesium alloy. The shock absorption device is opening at a face portion and a bottom portion to form a crown, a toe, a heel, and a neck of the golf club head. A weight device, which is made of a wear-resisting material with a specific weight greater than six, such as stainless, is fixed to the shock absorption device at the bottom portion to form a bottom of the golf club head. An elastic device, which is made of a material with an elasticity greater than the shock absorption device and the weight device, such as titanium alloy, fixed to the shock absorption device at the face portion to form a face of the golf club head.

Abstract: A shell of a golf club head is made of magnesium alloy and is made by die casting. The golf club head has a top portion, a face, a bottom portion, a toe portion, a heel portion and a neck, which is divided into the shell and a face member along a dividing line. The dividing line crosses the highest portion of the top portion, the peak portion of the toe portion, the bottom portion and the peak portion of the heel portion.

Abstract: An iron golf club head includes a head body, a soft metal layer, a thin face plate and a solder layer. The head body has a recess at a front side thereof and an annular shoulder portion around the recess. The soft metal layer is disposed in the recess of the head body. The thin face plate is disposed at the front side of the head body and attached on the shoulder portion of the head body. The face plate has a plurality of slots on a front side thereof to form a ball-hitting face. The solder layer is provided on a back side of the face plate for bonding the face plate to the shoulder portion of the head body and the soft metal layer.

Abstract: A golf club head includes a housing and a reinforced elastic supporting member. The housing has a front portion on which a face is disposed, a sole portion, a rear portion, a crown portion, a toe portion, a heel portion, a neck, and a chamber inside. The reinforced elastic supporting member has an end bonded to the sole portion or the rear portion of the housing, the other end bonded to the front portion or the crown portion of the housing, and a middle portion suspended in the chamber of the housing.

Abstract: A golf club head includes a main body having a front side on which a face plate is mounted, a bottom side, a rear side and a top side having an opening. A crown is mounted on the top side of the main body to seal the opening. The crown has a thickness less than 0.7 mm and a hardness greater than HRC 35.