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30 results about "Rules of golf" patented technology

The rules of golf consist of a standard set of regulations and procedures by which the sport of golf should be played and prescribe penalties for rule infractions. They are jointly written and administered by the R&A (spun off from The Royal and Ancient Golf Club of St Andrews) the governing body of golf worldwide except in the United States and Mexico, which are the responsibility of the United States Golf Association (USGA). The rule book, entitled Rules of Golf, is published on a regular basis and also includes rules governing amateur status.

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft-body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 300 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Adjustable putter head

The present invention is an improved putter that assists a player in perfecting a putt stroke during practice and repeating it with the same club during play. The shaft is attached to the clubhead such that it can swivel from a practice configuration to a play configuration. The putter also comprises a hosel with an attached alignment cap having lobes which matingly engage a series of recesses on the clubhead to secure the clubhead to the shaft. The putter conforms to the Rules of Golf so that the player does not have to change clubs between practice and play. The club may be used for either a right or left-handed stroke.
Owner:JOHN DUANE CHARLES

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72), a return portion (74), and a second layer (72b) attached to an interior surface of the striking plate portion (72). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998–1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a metal material selected from the group consisting of magnesium alloys, aluminum alloys, magnesium and aluminum. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998–1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 300 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Multiple Material Golf Club Head

Abstract of Disclosure A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Golf club head

A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Contrasting patterns on golf balls

The invention is imprinting a selected shape onto a golf ball in a repeating and symmetrical arrangement to form at least one perceptible contrasting pattern upon viewing any part of the ball's surface. This improvement is based on an application of findings in the sciences of visual perception and human engineering. The function of contrasting patterns is to hold a golfer's focus on a golf ball through impact. Since the innovation does not violate any rule of golf (USGA or R&A), a golfer's concentration and ball striking ability will be enhanced for all shots in all playing situations.
Owner:CHAPMAN CURTIS LEE

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:CALLAWAY GOLF CO

Putter with fixable shaft that rotates to convert the putter from practice to play

The present invention is an improved putter that assists a player in perfecting a putt stroke during practice and repeating it with the same club during play. The shaft is attached to the clubhead such that it can swivel from a practice configuration to a play configuration. The putter also comprises a hosel with an attached alignment cap has lobes which matingly engage a series of recesses on the clubhead to secure the clubhead to the shaft. The putter conforms to the Rules of Golf so that the player does not have to change clubs between practice and play. The club may be used for either a right or left-handed stroke.
Owner:ENGDAHL DUANE CHARLES JOHN

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1 e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Putter with rotatable shaft for converting from practice to play

The present invention is an improved putter that combines several features to provide a balanced putter, which assists a player in perfecting a putt stroke during practice and repeating it with the same club during play. The shaft is attached to the clubhead such that it can swivel from a practice configuration to a play configuration. The clubhead has tapered top and bottom surfaces such that the angle of the shaft relative to the sole of the putter is no more than 80 degrees. The clubhead has a playing surface on one face that is parabolic and can be flat in the extreme. The clubhead has a practice surface on the other face that is curved, preferably elliptical, to assist the golfer in learning the proper stroke. The putter conforms to the Rules of Golf so that the player does not have to change clubs between practice and play. The club may be used for either a right- or left-handed stroke.
Owner:ENGDAHL DUANE CHARLES JOHN

Putter with fixable shaft that rotates to convert the putter from practice to play

The present invention is an improved putter that assists a player in perfecting a putt stroke during practice and repeating it with the same club during play. The shaft is attached to the clubhead such that it can swivel from a practice configuration to a play configuration. The putter also comprises a hosel with an attached alignment cap has lobes which matingly engage a series of recesses on the clubhead to secure the clubhead to the shaft. The putter conforms to the Rules of Golf so that the player does not have to change clubs between practice and play. The club may be used for either a right or left-handed stroke.
Owner:ENGDAHL DUANE CHARLES JOHN

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix 11, of the Rules of Golf for 1998-1999.
Owner:CALLAWAY GOLF CO

Multiple Material Golf Club Head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72), a return portion (74), and a second layer (72b) attached to an interior surface of the striking plate portion (72). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Multi-piece solid golf ball

ActiveUS20070281800A1High reboundReduce spinningGolf ballsSolid ballsEngineeringGolf Ball
This invention provides a multi-piece golf ball composed of a core, an intermediate layer enclosing the core, and a cover layer which encloses the intermediate layer and has on an outside surface thereof a plurality of dimples. The cover layer is harder than the intermediate layer. Letting A be the thickness of the intermediate layer, B be the thickness of the cover layer and C be the diameter of the core, 65≧C / A≧27 and 65≧C / B≧27. In addition, the ball has an initial velocity, as measured by a method set forth in the Rules of Golf using an initial velocity measuring apparatus of the same type as the USGA drum rotation-type initial velocity instrument, of at least 77.0 m / s.
Owner:BRIDGESTONE SPORTS

Golf Club Head

A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Krutch putter

The present invention is an innovative new putter, the putter features a long straight shaft that can be adjusted to the users height. The angle of entry of the shaft to the club head allows for a comfortable distance from the ball to sight and complete the putt The putter head has an impact surface that allows for different materials with varying hardness levels, and has weights that can be inserted or removed to customize the head for the individuals preference. The head is face balanced and has a radius on the bottom to allow for varying ball elevation in relation to the golfer. The shape of the head reduces twist by placing weights extended from the stroke line. The elongated grip is designed to comply with golf regulations and provide maximum comfort and stability. The present invention essentially allows a golfer to change the way they golf to better sight and perform a putt to minimize their score and maximize their enjoyment. Putting with this club allows the user to face the hole and see the putt with both eyes.
Owner:COKEWELL MARK R

Putter with rotatable shaft for converting from practice to play

The present invention is an improved putter that combines several features to provide a balanced putter, which assists a player in perfecting a putt stroke during practice and repeating it with the same club during play. The shaft is attached to the clubhead such that it can swivel from a practice configuration to a play configuration. The clubhead has tapered top and bottom surfaces such that the angle of the shaft relative to the sole of the putter is no more than 80 degrees. The clubhead has a playing surface on one face that is parabolic and can be flat in the extreme. The clubhead has a practice surface on the other face that is curved, preferably elliptical, to assist the golfer in learning the proper stroke. The putter conforms to the Rules of Golf so that the player does not have to change clubs between practice and play. The club may be used for either a right- or left-handed stroke.
Owner:ENGDAHL DUANE CHARLES JOHN

Multi-piece solid golf ball

This invention provides a multi-piece golf ball composed of a core, an intermediate layer enclosing the core, and a cover layer which encloses the intermediate layer and has on an outside surface thereof a plurality of dimples. The cover layer is harder than the intermediate layer. Letting A be the thickness of the intermediate layer, B be the thickness of the cover layer and C be the diameter of the core, 65≧C / A≧27 and 65≧C / B≧27. In addition, the ball has an initial velocity, as measured by a method set forth in the Rules of Golf using an initial velocity measuring apparatus of the same type as the USGA drum rotation-type initial velocity instrument, of at least 77.0 m / s.
Owner:BRIDGESTONE SPORTS

Golf club head with face composed of forged material

A golf club (40) having a club head (42) with a striking plate (72) having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head (42) may be composed of three pieces, a face (60), a sole (64) and a crown (64). Each of the pieces (60, 62 and 64) may be composed of a titanium material. The striking plate (72) of the club head (42) may have an aspect ratio less than 1.7. The striking plate (72) may also have concentric regions of thickness with the thickness portion in the center. The club head (42) may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Multiple material golf club head

A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Golf Based Card Game

The present invention is a golf scenario game where the object is to obtain the lowest score. The game includes a plurality of score sheets each having a plurality of consecutively numbered hole sections to be played, each hole section having an indicator indicating the par for the that hole section. The game further includes a plurality of dice which can be rolled to determine a score when a hole section is played. Each dice has a side displaying an indicator selected from the group consisting of zero, 1, 2 and “card”. Finally, the game further includes a plurality of cards, each card having a side with a written scenario illustrating a rule of golf and having instructions for adjusting the score determined by the roll of the dice. The method of playing this game including the steps of first selecting a first hole section to be played from the score sheet and reading the par for said hole section. A plurality of dice equal to the par for the hole section being played is then selected, and the dice are rolled to display a core equal to the cumulative total displayed on the dice rolled. In the event the “card” symbol is rolled by a player, the player randomly selects a card and modifies the score on the hole by following the scoring instructions on the card.
Owner:PICHE ROGER
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