Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
2001-02-28
2003-12-09
Blau, Stephen (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S324000, C473S349000, C473S409000
Reexamination Certificate
active
06659882
ABSTRACT:
BACKGROUND OF THE INVENTION
Since the beginning of golf in the 1400's, Golf club manufacturers say there is a Sweet Spot and Center Of Gravity on clubheads that has been understood, assumed and accepted by all golfers, but why haven't they told us golfers where that Sweet Spot is designed for, to hit a ball off the Ground or perched on a Tee? Wherein this disclosure unveils and tells golfers how this is to be accomplished.
Golf club manufacturers and golfers have been trying, but unable to solve golfs 600 year old riddle of hook and slice, wherein they lay awake at night trying to figure out how to hit a golf ball straight . . . until now.
A Golf Club, Golfclub, Club, or Clubhead, is considered complete with all of its components, Grip, Shaft and Head. A Club head is a component part of a Golfclub.
The past recorded knowledge and recognition of a clubhead having a center of percussion, otherwise known as a Sweet Spot, and a Center Of Gravity will be proven to be not applicable because it does not take into consideration the shaft and the grip, which is antiquated, and circumvented by this patent, which divulges the existence of a Golf clubhead Sweet Line containing two main points at which to strike a ball, or Two Sweet Spots, and its associated derivatives, found by the use of a balance plane.
There are four basic categories to improve playing golf, the golfer, their equipment, technique and prayer. Their search for the correct equipment, or the ultimate golf club, is like looking for the needle in the haystack, or that one Sweet Spot on a clubhead with which to hit the ball. In the past, there has been no correct method of finding, understanding or knowing how to use this Sweet Spot on a golf club, until now.
The Golf club strikes a ball at a master reference point called the Ball Impact Point, which can be a variable dependant upon the club design or use, and in regards to basically two ball height positions, being a ball on the ground and/or a ball on a tee.
A golf clubhead is like a wrecking ball which has a cable or chain that controls three basic parameters, speed, power and direction, with the wrecking ball doing all of the work. A clubhead does more, it controls loft, tilt, ball spin, direction, control, etc. The clubhead works in conjunction with the shaft whereas the wrecking ball is independent of the cable or chain. A golf clubhead is similar to an airplane. During landing the airplane wings must always be parallel to the ground. Likewise a golf clubhead must be in the specific design position.
A golf club is similar to a humans leg, the Grip vs. Thigh, Shaft vs. Calf, and the Clubhead vs. Foot, whose clubhead comparison consists of a Toe, Heel and Sole. If a foot is not soled properly it will affect ones ability to walk, likewise if the clubhead is not soled properly, a change will occur altering the characteristics of the clubhead, as this disclosure will explain. Likewise, a clubhead is also comparable to a barbell that has a Sweet Spot and a Center Of Gravity, wherein if one end of the barbell is lifted higher than the other end, the sweet spot and center of gravity changes. Therefore, if the clubhead Toe or Heel goes up, it alters the soling and moves that now questionable sweet spot one way or the other, causing miss hits.
All golf clubs to date have round bases to accommodate the majority of golfers lie angles.
Forward Press, or Positive Press, is the tilt of the shaft positioning leaning towards the target or hole, normally from center body, allowing the shaft to be more in line with the golfers forward arm. Forward Press keeps the forward wrist straight which can be adapted to specific golf clubs to create a Press Rhythm resulting in similar setup and use that provides optimum power, control and direction between all clubs. Reverse Press or Negative Press is the movement or the tilt of the shaft away from the target. Press Deviation is more detrimental to the golfer than Lie Angle Deviation. Press is measured in inches, mm or degrees.
Hooding is the instability of the clubhead causing it to wobble, flounder or flop over, resulting in the opening or closing of the clubhead face, when it is not in its designated position or limits that are designed basically for lie or press angles. Hooding affects are related to the soling of that clubhead, which is more prolifically felt when soled on a smooth flat surface, compared to being on a rug or grass. All clubheads produced have curved or arced bases with a soled radius, like a seesaw or rocking chair, to generically fit every golfer, that gives the illusion of identical soling, whereby changing the sweet spot location, without necessarily Hooding. Hood design in clubheads will alert the golfer that a parameter change exists, that will alter the ball striking characteristics of the clubhead, so that he may make necessary adjustments. This patent is also applicable to all clubhead bases that are of such a curved nature or otherwise, that can incorporate an Automatic Hood feature.
This inventor has established Three Triangles in golf, the Stance Triangle, the Alignment Triangle, and the Club Triangle, that can affect the Sweet Line and dependency upon the Ball Impact Point.
These triangles are generally applicable in life and sports, such as baseball, golf, bowling i.e.
The Stance Triangle requires the ball, golf club and player be in a referenced and repeatable position. This triangle is derived from three points, the Ball Impact Point, the positioning of the grip top with the players hand or Press, and the distance from the players forward foot tip to the imaginary ball traveling line called the Foot distance. The perpendicular distance from the tip of the forward foot to a projected clubhead face line is called the Ball distance. Each individual club has its own characteristics that the golfer must adapt in his Stance Triangle for that club, requiring reproducibility each time that club is used, otherwise the Sweet Line changes. This triangle will always remain the same when the ball, and the golfers feet are on the same plane, but, If they are on different planes, then the Stance Triangle must change.
The Alignment Triangle requires the ball, golf club and player in position. This triangle is derived from three points, the Ball Impact Point, the Foot distance and the positioning of the bridge of the golfers nose. This triangle is used to align the clubhead and Ball Impact Point in relationship to the target.
The Club Triangle is derived by three dimensions, length and two plumb bob measurements, when the clubhead is in its intended position. The length of the club is normally measured along the shaft centerline from the grip top to a point on the ground with the golfclub in its' intented use position. The length of the club should be measured from the top of the grip to the clubhead base, vertically below the intended clubhead impact point, in consideration to the correct golf club intended use. A plumb bob hanging from grip, creates two distances, one from the imaginary ball line, and the other from the club head face line. These triangular methods are used in conjunction with the golfers Stance Triangle, and applicable to the manufacture of custom clubs, club duplication, and to verify club parameters if it is suspected of being damaged, or otherwise. The clubhead soling is extremely important and will be analyzed and discussed later.
Iron Head face heights vary, by peaking adjacent to the toe, being angularly and diminishing in height, being flat or somewhat curved, and terminating at the heel or shaft. Whereas Wood Head tops are curved horizontally and peak near the toe or at the center above the head Sweet Spot. Both will be shown to be substantially improved.
Impact areas on Iron Head faces are flat, whereas Wood faces incorporate a curved horizontal face bulge and vertical face roll, having both identified with Sweet Spot markings. External to the impact areas, Woods and Iron Heads sometimes have alignment markings, referenced to the Head Center Of Percussion Sweet Spot or Center Of
Baird, Esq. James F.
Blau Stephen
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