| Golf club head with adjustable center of mass -> Monitor Keywords |
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Golf club head with adjustable center of massRelated Patent Categories: Games Using Tangible Projectile, Golf, Club Or Club Support, Head, Selectively Adjustable Weighting ElementGolf club head with adjustable center of mass description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060240907, Golf club head with adjustable center of mass. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates generally to equipment and implements used in the game of golf. More particularly, the present invention relates to a golf club head with an adjustable center of mass. [0003] 2. Description of the Related Art [0004] As the game of golf has become more popular, more has been learned about the various subtleties and nuances involved in its play. All golfers use clubs of two basic types in order to optimize their play, i.e., "irons" and so-called "woods," named for the historic compositions of their club heads. Irons were, and still are, formed of a ferrous metal, with stainless steel being a common material in modern clubs. "Woods" were historically formed of a solid mass of wood (persimmon wood being a popular choice) with somewhat larger and often more massive weighted club heads than irons for use in driving the ball from the tee. [0005] More modern "wood" club heads are usually not formed of wood at all, but are often formed of thin wall, hollow metal castings or forgings. Such club heads are generally called "metal woods," as they have the external configuration of a historic wood club head while being constructed of metal. The use of metal in the construction of such club heads provides numerous advantages in strength and durability, and the hollow head allows various masses to be installed within the club head in order to affect its performance. [0006] In the past, various club manufacturers have made numerous attempts to "fine tune" the action of a metal wood type club, by installing various weights and masses within the club head. Generally, these masses were immovably affixed within the head, thus allowing no further tuning or adjustment of the effect of the added weight or its position within the head of the club. A few manufacturers have provided for movable or adjustable weights within the club head in order to seek the potential advantages that might be provided by such a configuration. [0007] An example of a golf club head having a movable weight is illustrated in French Patent No. 2,716,808, published on Sep. 8, 1995. A mallet-type golf putter is illustrated, having opposed lateral bores to each side of the central club shaft attachment. Weights may be installed in the bores adjacent to the central shaft attachment area of the club head to affect the balance of the putter. The weights are held in place by springs installed outboard of the weights, holding the weights inwardly toward the attachment end of the shaft. No rotary adjustable weight about a vertical axis is apparent. [0008] Japanese Patent No. 11-197,276, published on Jul. 27, 1999, illustrates a metal wood-type club head having a pocket or receptacle welded in place to the sole plate within the club head. A weld-resistant metal is placed within the receptacle, prior to welding. No adjustment of the location or quantity of the weight is possible after installation. [0009] Finally, Japanese Patent No. 2004-121,362 published on Apr. 22, 2004, illustrates further variations on a metal wood-type club head having a fixed, non-adjustable weight or mass installed therein. [0010] None of the above inventions and patents, taken either singly or in combination, is seen to describe the instant invention as claimed. Thus, a golf club head with an adjustable center of mass solving the aforementioned problems is desired. SUMMARY OF THE INVENTION [0011] The golf club head with adjustable center of mass includes a generally L-shaped arm having a club head attachment end and an opposite mass attachment end. An open socket or receptacle is provided in the sole of the club head, into which the club head attachment end of the arm seats. A cover plate is installed over the end of the arm and within the socket in order to preclude capture of dirt and debris within the socket during use of the club and to clamp the mass arm tightly within the receptacle. A series of detents is provided within the socket, with the attachment end of the arm having a mating configuration in order to lock the arm at the desired one of a series of specific angles or positions in the detents. [0012] The arm may be adjusted to face forwardly, rearwardly, or to the left or right relative to the club face, or at some intermediate position between any of the above cardinal positions, to adjust the action of the club. Orienting the mass toward the hosel and shaft of the club places the mass of the club head between the center of the club and hosel, and results in a hook or draw (or correction of the opposite slice or fade). Positioning the mass in the opposite direction will, of course, have the opposite effect. Positioning the mass toward the front of the club head results in a lower loft or arcuate flight of the ball when struck, while positioning the mass toward the rear of the club head has the opposite effect. The arm also affects the vibrational characteristics of the club, depending upon the materials from which the arm and its weight are formed. [0013] These and other features of the present invention will become readily apparent upon further review of the following specification and drawings. BRIEF DESCRIPTION OF THE DRAWINGS [0014] FIG. 1 is an exploded perspective view of the golf club head with adjustable center of mass according to the present invention, showing the separation of the arm and weight from the club head. [0015] FIG. 2A is a front elevation view of the golf club head of the present invention showing the initial position of the weight and arm during installation into the club head. [0016] FIG. 2B is a front elevation view of the golf club head of the present invention showing an intermediate position of the weight and arm during installation into the club head. [0017] FIG. 2C is a front elevation view of the golf club head of the present invention showing the nearly completed installation of the weight and arm into the club head. [0018] FIG. 3 is a detailed, exploded bottom plan view of the arm and mass of the golf club head of the present invention. [0019] FIG. 4 is a bottom plan view of the adjustable mass club head of the present invention, showing a series of cardinal positions for the adjustably positionable arm and mass therein. [0020] FIG. 5 is a top plan view of the golf club head of the present invention, showing the twisting effects on the club head and shaft during a swing when the weight is oriented laterally. [0021] FIG. 6 is a side elevation view of the golf club head of the present invention showing the rearward positioning of the adjustable weight and corresponding bending of the shaft during a swing. Continue reading about Golf club head with adjustable center of mass... Full patent description for Golf club head with adjustable center of mass Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Golf club head with adjustable center of mass 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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