Abstract: A manufacturing method of an iron-type golf club head has acts of preparing a formed bar-shaped steel substrate, rough-hot forging the bar-shaped steel substrate, mid-hot forging the rough blank, fine-cold forging the mid-blank, cold stamping the striking surface and drilling a hosel of the iron-type golf club head. The cold forging reduces the thermal expansion and contraction of the blank, and the shape of the forged blank is more accurate therefore. As a result, the following grinding processes of the blank are reduced. Therefore, the weight of the blank is more accurate, and the manufacturing time and cost are also reduced. The blank does not have to be heated to high-temperature state prior to cold forging so that the blank can be cooled down faster, and the cost of the heating is reduced.

Abstract: A manufacturing method of an iron-type golf club head has acts of preparing a formed bar-shaped steel substrate, rough-hot forging the bar-shaped steel substrate, mid-hot forging the rough blank, fine-cold forging the mid-blank, cold stamping the striking surface and drilling a hosel of the iron-type golf club head. The cold forging reduces the thermal expansion and contraction of the blank, and the shape of the forged blank is more accurate therefore. As a result, the following grinding processes of the blank are reduced. Therefore, the weight of the blank is more accurate, and the manufacturing time and cost are also reduced. The blank does not have to be heated to high-temperature state prior to cold forging so that the blank can be cooled down faster, and the cost of the heating is reduced.

Abstract: A weight adjusting structure of a golf club head comprises a 360-degree rotatable rotary table installed in a body of a golf club head, wherein the rotary table is combined with an incomplete annular weight block at a peripheral portion on an arbitrary side thereof, so that the rotary table and the weight block form a rotary table assembly whose weight orientation can be adjusted. The weighted rotary table assembly installed in the body of the golf club head can be used to adjust a distribution of different weights around 360 degrees, whereby a preferred location of the club head's gravity center can be set according to a golfer's swing posture and a location of the club head's gravity center the golfer is used to.

Abstract: A weight adjusting structure of a golf club head comprises a 360-degree rotatable rotary table installed in a body of a golf club head, wherein the rotary table is combined with an incomplete annular weight block at a peripheral portion on an arbitrary side thereof, so that the rotary table and the weight block form a rotary table assembly whose weight orientation can be adjusted. The weighted rotary table assembly installed in the body of the golf club head can be used to adjust a distribution of different weights around 360 degrees, whereby a preferred location of the club head's gravity center can be set according to a golfer's swing posture and a location of the club head's gravity center the golfer is used to.

Abstract: A weight adjusting structure of a golf club head comprises a 360-degree rotatable rotary table installed in a body of a golf club head, wherein the rotary table is combined with an incomplete annular weight block at a peripheral portion on an arbitrary side thereof, so that the rotary table and the weight block form a rotary table assembly whose weight orientation can be adjusted. The weighted rotary table assembly installed in the body of the golf club head can be used to adjust a distribution of different weights around 360 degrees, whereby a preferred location of the club head's gravity center can be set according to a golfer's swing posture and a location of the club head's gravity center the golfer is used to.

Abstract: A method for making a golf club head includes steps for processing upper and lower shells of the head. A metal- or non-metal-based composite material is provided which has a necessary thickness and whose area and total width are enough for making at least two unit shells, as determined by widths and surface curvatures of the upper and lower shells. A strip of excess material is reserved at a border between the unit shells. The two alternately or non-alternately arranged unit shells are integrally formed through a forming process, wherein an extension force generated while the unit shells are formed is constrained by the excess material to reduce deformation of the unit shells, so that the formed unit shells have flat cutting surfaces when the excess material is cut off, allowing the upper and lower shells thus made to have precise dimensions, improved ends of parts and close contact surfaces.

Abstract: A weight adjusting structure of a golf club head comprises a 360-degree rotatable rotary table installed in a body of a golf club head, wherein the rotary table is combined with an incomplete annular weight block at a peripheral portion on an arbitrary side thereof, so that the rotary table and the weight block form a rotary table assembly whose weight orientation can be adjusted. The weighted rotary table assembly installed in the body of the golf club head can be used to adjust a distribution of different weights around 360 degrees, whereby a preferred location of the club head's gravity center can be set according to a golfer's swing posture and a location of the club head's gravity center the golfer is used to.

Abstract: A golf club head includes a body, a weight, and a positioning resilient member. The body includes an engaging seat having a perimeter wall and a perimeter groove defined in the perimeter wall. The weight is mounted in the engaging seat, and includes a main body having a perimeter wall with a plurality of latching grooves corresponding to the perimeter groove of the engaging seat. The positioning resilient member is initially mounted in the perimeter groove of the engaging seat prior to receiving the weight. The positioning resilient member includes at least one engaging point pressing against a perimeter bottom wall of the perimeter groove. The positioning resilient member is further engaged in the latching grooves of the weight to thereby resiliently retain the weight in the engaging seat when assembled.

Abstract: A golf club head includes a body, a weight, and a positioning resilient member. The body includes an engaging seat having a perimeter wall and a perimeter groove defined in the perimeter wall. The weight is mounted in the engaging seat, and includes a main body having a perimeter wall with a plurality of latching grooves corresponding to the perimeter groove of the engaging seat. The positioning resilient member is initially mounted in the perimeter groove of the engaging seat prior to receiving the weight. The positioning resilient member includes at least one engaging point pressing against a perimeter bottom wall of the perimeter groove. The positioning resilient member is further engaged in the latching grooves of the weight to thereby resiliently retain the weight in the engaging seat when assembled.

Abstract: A golf club head includes a body having a cutaway recession and an adjusting block mounted in the cutaway recession. The body includes a striking face for striking a golf ball. The adjusting block includes a chamber in which at least one accessory member is mounted. The accessory member may be a weight member, damping member, or an ornamental cover for a golf club.

Abstract: A mobile phone key is made of metal and positioned on a faceplate, having a figure mark for a function or a number for dialing formed on a top surface of the key. The figure mark or the number is formed to protrude on or recess in the top surface of the key as a 3D configuration. The key has a support pin protruding down through the faceplate to face to an upper surface of an IC board with a proper gap so that the key may tough the IC board when it is pressed down manually, and may recover its place by a spring fitted around the support pin protruding down through a socket combined with the support pin by means of a locking ring. The key endures a long period of use, and also able to be discerned by the weak sighted and the blind by touching in using the mobile phone. So the mobile phone with the keys can have a wide scope of users.