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Parabolic golf club headParabolic golf club head description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20090111603, Parabolic golf club head. Brief Patent Description - Full Patent Description - Patent Application Claims
1. Field of the Invention This invention relates to golf club heads. 2. Description of the Related Art Golf clubs are used in golfing to hit the golf ball, and typically fall into three categories: 1) woods, originally with wooden heads, used to propel the ball for long distances; 2) irons, originally with metal heads with varying degrees of loft, particularly used for somewhat shorter shots as the greens are approached, and 3) putters, for propelling the ball for short distances with extreme accuracy, such as on a putting green itself, and designed to push and roll the ball rather than to hit it up into the air. Each golf club head has one face which contacts the ball during the stroke. Clubs may have two striking faces, as long as they are identical and symmetrical (some putters and chippers are designed in this fashion, and may be used by left or righthanded players). The face of the head of the golf club (clubface) is structured to have a particular loft (the angle between a vertical plane and the clubface when the club is at rest), which determines the upward trajectory of the ball. Grooves on the clubface impart a “backspin” on the ball, that when combined with the rebounding effect of the ball, give it lift. Typically, the greater the loft, the higher and shorter the resulting ball trajectory. The typical lofts for irons range from 16 to 48 degrees. Irons are mainly produced by two processes, casting and forging. Cast irons are produced by casting molten metal in a pre-shaped cast. Forged irons are heated and beaten into the desired shape. Cast irons provide the user with less feel, but are less difficult to hit consistently, and are therefore preferred by the higher handicap golfer. The different types of irons differ in their feel and forgiveness to a user. Most modern golf club heads, particularly of irons, are cast through a process known as investment casting. This process allows manufacturers to redistribute the weight into the perimeter of the club, known as perimeter weighting, which helps to increase the accuracy of misshit shots Inexperienced golfers and golfers who have not refined their use of irons, often have difficulty hitting the ball and directing the trajectory of the golf ball with irons, which are primarily designed for moving the ball relatively long distances and not for extremely accurate ball placement. Iron heads are typically solid with a flat clubface. Irons are typically either have a hollowed out back (cavity back) or have a smooth back (muscle back). The latter designs are also called ‘blades’ for their low amounts of offset, thin toplines and thin soles, and are generally more difficult to use to hit a golf ball. A wide variety of attempts have been made to provide an iron type golf club that relieves the problems associated with non-perfect or off-center hits of the ball. For example, the patent of Hutin et al. (U.S. Pat. No. 5,800,282) provides a set of golf clubs having a vibration damping plaque comprising a perimeter weighted element as well as a hosel feature. A number of patents provide areas of variable curvature on the face of the golf club head. The patent of Gebauer et al. (U.S. Pat. No. 4,508,349) provides a golf club head that has a curved surface, and in particular has a central bulge and accentuated roll (convex) portion separated from upper and lower flat portions by broad grooves. The patent of Werner et al. (U.S. Pat. No. 6,139,445) has a variety of angled designs, such as a lower convex curved portion for irons ( It is therefore an object of the invention to provide an iron type golf club head, particularly for an iron, that has a form that increases the likelihood of accurate hitting of a golf ball. Other objects and advantages will be more fully apparent from the following disclosure and appended claims. The invention herein is an iron type golf club head having a face with a parabolic cross-sectional shape of the face as viewed from the heel to the toe of the head. Other objects and features of the inventions will be more fully apparent from the following disclosure and appended claims. Continue reading about Parabolic golf club head... Full patent description for Parabolic golf club head Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Parabolic 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. Start now! - Receive info on patent apps like Parabolic golf club head or other areas of interest. ### Previous Patent Application: Apparatuses, methods and systems relating to semi-automatic golf data collecting and recording Next Patent Application: Golf club head Industry Class: Games using tangible projectile ### FreshPatents.com Support Thank you for viewing the Parabolic golf club head patent info. 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