| Connecting structure for striking plate and body of golf club head -> Monitor Keywords |
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Connecting structure for striking plate and body of golf club headRelated Patent Categories: Games Using Tangible Projectile, Golf, Club Or Club Support, Head, Striking Face InsertConnecting structure for striking plate and body of golf club head description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060135285, Connecting structure for striking plate and body of golf club head. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a connecting structure for a golf club head. In particular, the present invention relates to a connecting structure for a striking plate and a body of a golf club head. [0003] 2. Description of Related Art [0004] Taiwan Patent Publication No. 327606 discloses a method for bonding a striking plate to a golf club head body. The golf club head body is made of metal and includes an opening in a face thereof. The opening includes a shoulder on which a welding material is placed. The striking plate is inserted into the opening and presses against a protruded portion of an inner edge of the shoulder, thereby filling the welding material into the gap between the striking plate, the shoulder, and the protruded portion. The welding material is made of metal powder and has a melting point lower than those of the golf club head body and the striking plate. The golf club head body/striking plate is placed into a vacuum furnace or a high-temperature furnace protected by inert gas and heated to a temperature higher than the melting point of the welding material. The molten welding material fills the tiny gap between the striking plate and the golf club head body by capillary action. After cooling, a reliable golf club head body with firm bonding and without weld mark is obtained. [0005] However, the adhesive force provided by the welding material for bonding the striking plate and the golf club head body is insufficient to provide secure bonding. The protruded portion of the golf club head must be riveted to the striking plate to avoid falling of the striking plate during swing, resulting in additional procedures and cost. Further, a portion of the welding material in the gap oozes, forming voids in the gap that should be completely filled. [0006] Taiwan Utility Model Publication No. 421057 discloses a connecting structure for a body and a striking plate of a golf club head. The body includes an opening in a front side thereof. The striking plate is similar to the opening in shape yet slightly greater than the opening in size. The striking plate covers the opening. An annular protrusion is formed on an outer edge of the opening of the body, and an annular groove is defined in a perimeter of a rear side of the striking plate for receiving the annular protrusion. A brazing layer is formed between the joint area between the body and the striking plate. The welding layer is formed as a result of solidification of molten brazing material after cooling, thereby securely brazing the body and the striking plate together. [0007] Taiwan Patent Publication No. 590028 discloses a wooden club head comprising a body and a striking plate. The striking plate includes an annular wall projecting from a side thereof, providing a U-shaped structure in section to improve elastic deformability. The body includes an annular groove for engaging with an annular protrusion of the striking plate. The body and the striking plate are bonded together by brazing. [0008] In both of Taiwan Utility Model Publication No. 421057 and Taiwan Patent Publication No. 590028, a larger filling space with a larger contact area exists between the annular groove and the annular protrusion, providing a larger bonding area for brazing. However, the annular protrusion and the annular groove are bonded with each other by the brazing layer that could not withstand long-term swing. A cannon test (a golf ball with a standard weight hit the striking plate of the club head at a velocity of 50 m/sec) showed that the striking plate disengaged from the body after being shot 100 times. Improvement in the connecting structure for the striking plate and the golf club head body is required. OBJECTS OF THE INVENTION [0009] An object of the present invention is to provide a connecting structure for a striking plate and a body of a golf club head with improved assembly accuracy. [0010] Another object of the present invention is to provide a connecting structure for a striking plate and a body of a golf club head with improved bonding strength. [0011] A further object of the present invention is to provide a connecting structure for a striking plate and a body of a golf club head with improved bonding reliability. [0012] Still another object of the present invention is to provide a connecting structure for a striking plate and a body of a golf club head to prolong the life of the golf club head. SUMMARY OF THE INVENTION [0013] In accordance with the present invention, a connecting structure is provided for a striking plate and a body of a golf club head. The body includes an opening in a front side thereof. The opening is delimited by a perimeter end wall, and a first snapping projection is formed on the perimeter end wall. The striking plate includes a perimeter wall projecting from a face thereof. A second snapping projection extends along a distal end of the perimeter wall of the striking plate. The first snapping projection and the second snapping projecting engage with each other for positioning the body and the striking plate. [0014] Preferably, the connecting structure further comprises a bonding layer formed between the first snapping projection of the body and the second snapping projection of the striking plate. The bonding layer is formed by one of brazing and adhesion. [0015] Preferably, the first snapping projection of the body comprises a slant perimeter face, and the second snapping projection of the striking plate includes a slant perimeter face for engaging with the slant perimeter face of the first snapping projection. [0016] In an embodiment of the invention, the first snapping projection includes a perimeter groove, and the second snapping projection projects inward from the distal end of the perimeter wall of the striking plate and is engaged in the perimeter groove of the first snapping projection. [0017] Preferably, the first snapping projection extends along a portion of the perimeter end wall delimiting the opening of the body, leaving a shoulder. In an embodiment of the invention, the first snapping projection extends along an outer portion of the perimeter end wall delimiting the opening of the body, with the shoulder of the body located inside the first snapping projection. In another embodiment of the invention, the first snapping projection extends along an inner portion of the perimeter end wall delimiting the opening of the body, with the shoulder of the body located outside the first snapping projection. Preferably, the first snapping projection comprises a slant perimeter face inclining toward the shoulder. [0018] Preferably, the second snapping projection extends along a portion of an end face of the perimeter wall of the striking plate, leaving a shoulder. In an embodiment of the invention, the second snapping projection extends along an outer portion of the end face of the perimeter wall of the striking plate, with the shoulder of the striking plate located inside the second snapping projection. In another embodiment of the invention, the second snapping projection extends along an inner portion of the end face of the perimeter wall of the striking plate, with the shoulder of the striking plate located outside the second snapping projection. Preferably, the second snapping projection comprises a slant perimeter face inclining toward the shoulder of the striking plate. [0019] Preferably, the body further comprises a hosel mounted to a side of the body and a wall portion located on the front side of the body and adjacent to the hosel and the perimeter end wall delimiting the opening, and the striking plate comprises an opening facing the wall portion of the body. [0020] Other objects, advantages and novel features of this invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS Continue reading about Connecting structure for striking plate and body of golf club head... Full patent description for Connecting structure for striking plate and body of golf club head Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Connecting structure for striking plate and body of golf club head patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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