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WO2010120635A1 - Tête de club de golf ou autre dispositif de frappe de balle ayant de multiples inserts de face - Google Patents

Tête de club de golf ou autre dispositif de frappe de balle ayant de multiples inserts de face Download PDF

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Publication number
WO2010120635A1
WO2010120635A1 PCT/US2010/030467 US2010030467W WO2010120635A1 WO 2010120635 A1 WO2010120635 A1 WO 2010120635A1 US 2010030467 W US2010030467 W US 2010030467W WO 2010120635 A1 WO2010120635 A1 WO 2010120635A1
Authority
WO
WIPO (PCT)
Prior art keywords
face
inserts
golf club
cavities
club head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2010/030467
Other languages
English (en)
Inventor
John Thomas Stites
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nike International Ltd
Original Assignee
Nike International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nike International Ltd filed Critical Nike International Ltd
Priority to EP10714750A priority Critical patent/EP2419182A1/fr
Priority to JP2012506084A priority patent/JP5768042B2/ja
Priority to CN201080021180.1A priority patent/CN102438710B/zh
Publication of WO2010120635A1 publication Critical patent/WO2010120635A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A63B53/0416—Heads having an impact surface provided by a face insert
    • A63B53/042—Heads having an impact surface provided by a face insert the face insert consisting of a material different from that of the head
    • A63B53/0425—Heads having an impact surface provided by a face insert the face insert consisting of a material different from that of the head the face insert comprising two or more different materials
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A63B53/0466—Heads wood-type
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • A63B2209/023—Long, oriented fibres, e.g. wound filaments, woven fabrics, mats
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A63B53/0416—Heads having an impact surface provided by a face insert
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A63B53/047—Heads iron-type
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A63B53/0487—Heads for putters

Definitions

  • the invention relates generally to ball striking devices, such as golf club heads, having multiple face inserts. Certain aspects of this invention relate to golf club heads having a plurality of cavities, each configured to receive an insert made from a material having desired properties.
  • the golf club Being the sole instrument that sets a golf ball in motion during play, the golf club also has been the subject of much technological research and advancement in recent years. For example, the market has seen improvements in golf club heads, shafts, and grips in recent years. Additionally, other technological advancements have been made in an effort to better match the various elements of the golf club and characteristics of a golf ball to a particular user's swing features or characteristics (e.g., club fitting technology, ball launch angle measurement technology, etc.).
  • club fitting technology e.g., ball launch angle measurement technology, etc.
  • a golf club For a golf ball to reliably fly straight and in the desired direction, a golf club must meet the golf ball square (or substantially square) to the desired target path. Moreover, the golf club must meet the golf ball at or close to a desired location on the club head face (i.e., on or near a "desired” or “optimal” ball contact location) to reliably fly straight, in the desired direction, and for a desired distance. Off-center hits may tend to "twist" the club face when it contacts the ball, thereby sending the ball in the wrong direction, imparting undesired hook or slice spin, and/or robbing the shot of distance.
  • Club face/ball contact that deviates from squared contact and/or is located away from the club's desired ball contact location, even by a relatively minor amount, also can launch the golf ball in the wrong direction, often with undesired hook or slice spin, and/or can rob the shot of distance. Accordingly, club head features that can help a user keep the club face square with the ball would tend to help the ball fly straighter and truer, in the desired direction, and often with improved and/or reliable distance.
  • the golf ball When the center of gravity is positioned behind the point of engagement on the contact surface, the golf ball follows a generally straight route. When the center of gravity is spaced to a side of the point of engagement, however, the golf ball may fly in an unintended direction and/or may follow a route that curves left or right, ball flights that are often referred to as "pulls,” “pushes,” “draws,” “fades,” “hooks,” or “slices”. Similarly, when the center of gravity is spaced above or below the point of engagement, the route of the golf ball may exhibit more boring or climbing trajectories, respectively. [0007]
  • the degree of twisting of the club head upon off-center impacts can also be dependent upon the moment of inertia of the club head. Generally, a higher moment of inertia results in less twisting of the club head on impact. The moment of inertia can be increased by distributing the weight of the club head proportionally more toward the edges of the head and away from the center.
  • the energy or velocity transferred to the ball by a golf club also may be related, at least in part, to the flexibility of the club face at the point of contact, and can be expressed using a measurement called "coefficient of restitution" (or "COR").
  • COR coefficient of restitution
  • the maximum COR for golf club heads is currently limited by the USGA at 0.83.
  • the direction of ball flight and the degree of twisting of the club head during impact may also be related, at least in part, to the moment of inertia of the club head and the location of the center of gravity of the club head with relation to the point of impact.
  • the energy or velocity transferred to the ball by the golf club may also be related to the moment of inertia and/or the location of the center of gravity of the club head. Accordingly, a need exists to customize or adjust the moment of inertia and/or the location of the center of gravity of a golf club face to provide maximum energy transfer and minimum twisting for impacts in the areas of the face where off-center hits tend to occur
  • aspects of the invention relate to ball striking devices, such as golf clubs, with a head that includes a face configured for striking a ball and a body connected to the face, the body being adapted for connection of a shaft thereto.
  • Various example structures of heads described herein include a plurality of cavities in the face, each cavity configured to receive an insert.
  • the golf shot may experience increased "kick" off the face and straighter ball flight on off-center hits (provided the off-center hits impact the face at the locations of increased flexibility and at a sufficient velocity), e.g., due to decreased twisting of the face during impacts at these locations.
  • the head includes cavities located in various locations on the face.
  • at least one of the cavities is located on a heel side of the face and at least one of the cavities is located on a toe side of the face.
  • at least one of the cavities is located on a vertical centerline of the face.
  • at least one of the cavities is located on a top side of the face and at least one of the cavities is located on a bottom side of the face.
  • at least one of the cavities is located on a horizontal centerline of the face.
  • the face includes four quadrants extending from the geometric center of the face, and at least one cavity is located entirely in a high-heel quadrant, at least one cavity is located entirely in a high-toe quadrant, at least one cavity is located entirely in a low-heel quadrant, and at least one cavity is located entirely in a low-toe quadrant.
  • the cavities extend to at least one of the outer surface of the face and the inner surface of the face. Additionally, the cavities may extend completely through the face. [0015] Additional aspects of the invention relate to a face as described above, also including a plurality of inserts received in the plurality of cavities. The inserts may be permanently connected to the face, or may be removable and interchangeable
  • the inserts extend to the outer surface of the face and each insert has an outer surface that is flush with the outer surface of the face.
  • one or more of the inserts may have a density that is different from a density of the face, and/or may have a density that is different from a density of one or more other inserts.
  • one or more of the inserts may be made of a material that is different from a material of the face, and/or may be made of a material that is different from a material of one or more other inserts.
  • the outer surface of the face has grooves and at least one of the inserts has an outer surface with grooves that are contiguous with the grooves of the face.
  • face members for use in a ball striking device, including a face, a wall extending rearward from an outer periphery of the face, and a plurality of cavities in the face, each cavity configured to receive an insert, as described above.
  • the face has an outer surface configured for striking a ball and an inner surface located rearward and opposite of the outer surface.
  • the face may also further include a plurality of inserts received in the plurality of cavities, as described above.
  • Further aspects of the invention relate to methods that can be used for manufacturing or customizing a golf club head, which is provided with a face configured for striking a ball with an outer surface thereof and a body connected to the face.
  • the method includes inserting inserts into the cavities, such as the inserts and cavities as described above.
  • the method may also include removing at least one of the inserts and replacing the removed insert with a second insert having a density different from the removed insert.
  • Still further aspects of the invention relate to golf clubs that .include a golf club head as described above and a shaft connected to the head.
  • FIG. 1 is a perspective view of an illustrative embodiment of a head of a ball striking device according to the present invention, shown with a ball;
  • FIG. 2 is a front view of the head of FIG. 1, illustrating a plurality of inserts received in a plurality of cavities in a face of the head;
  • FIG. 3 is a cross-section view of the head of FIG. 1, taken along lines 3-3 of FIG. 2;
  • FIG. 4 is a perspective view of a second illustrative embodiment of a ball striking device according to the present invention.
  • FIG. 5 is a front view of a head of the ball striking device of FIG. 3, illustrating a plurality of inserts received in a plurality of cavities in a face of the head;
  • FIG. 6 is a cross-section view of the head of FIG. 4, taken along lines 6-6 of FIG. 5;
  • FIG. 7 is apian view of one illustrative embodiment of an insert suitable for connection to a face of a ball striking device according to the present invention.
  • FIG. 8 is apian view of a second illustrative embodiment of an insert suitable for connection to a face of a ball striking device according to the present invention.
  • FIG. 9 is a plan view of a third illustrative embodiment of an insert suitable for connection to a face of a ball striking device according to the present invention.
  • FIG. 10 is a plan view of a fourth illustrative embodiment of an insert suitable for connection to a face of a ball striking device according to the present invention.
  • FIG. 11 is a cross-section view of one illustrative embodiment of a face having a plurality of inserts and being suitable for use with a head of a ball striking device according to the present invention
  • FIG. 12 is a cross-section view of a second illustrative embodiment of a face having a plurality of inserts and being suitable for use with a head of a ball striking device according to the present invention
  • FIG. 13 is a cross-section view of a third illustrative embodiment of a face having a plurality of inserts and being suitable for use with a head of a ball striking device according to the present invention.
  • FIG. 14 is a cross-section view of a fourth illustrative embodiment of a face having a plurality of inserts and being suitable for use with a head of a ball striking device according to the present invention.
  • Ball striking device means any device constructed and designed to strike a ball or other similar objects (such as a hockey puck).
  • ball striking heads include, but are not limited to: golf clubs, putters, croquet mallets, polo mallets, baseball or Softball bats, cricket bats, tennis rackets, badminton rackets, field hockey sticks, ice hockey sticks, and the like.
  • Ball striking head means the portion of a “ball striking device” that includes and is located immediately adjacent (optionally surrounding) the portion of the ball striking device designed to contact the ball (or other object) in use.
  • the ball striking head may be a separate and independent entity from any shaft or handle member, and it may be attached to the shaft or handle in some manner.
  • shaft and “handle” are used synonymously and interchangeably in this specification, and they include the portion of a ball striking device (if any) that the user holds during a swing of a ball striking device.
  • Integral joining technique means a technique for joining two pieces so that the two pieces effectively become a single, integral piece, including, but not limited to, irreversible joining techniques, such as adhesively joining, cementing, welding, brazing, soldering, or the like, where separation of the joined pieces cannot be accomplished without structural damage thereto.
  • aspects of this invention relate to ball striking devices, such as golf club heads, golf clubs, putter heads, putters, and the like.
  • ball striking devices may include a ball striking head and a ball striking surface.
  • the ball striking surface is a substantially flat surface on one face of the ball striking head.
  • wood-type golf clubs and golf club heads including drivers, fairway woods, wood-type hybrid clubs, and the like, although aspects of this invention also may be practiced on irons, iron-type hybrid clubs, and the like.
  • the ball striking device may be formed of one or more of a variety of materials, such as metals (including metal alloys), ceramics, polymers, composites (including fiber-reinforced composites), and wood, and may be formed in one of a variety of configurations, without departing from the scope of the invention.
  • some or all components of the head including the face and at least a portion of the body of the head, are made of metal. It is understood that the head may contain components made of several different materials, including carbon-fiber and other components. Additionally, the components may be formed by various forming methods.
  • metal components such as titanium, aluminum, titanium alloys, aluminum alloys, steels (including stainless steels), and the like
  • metal components such as titanium, aluminum, titanium alloys, aluminum alloys, steels (including stainless steels), and the like
  • metal components such as titanium, aluminum, titanium alloys, aluminum alloys, steels (including stainless steels), and the like
  • composite components such as carbon fiber-polymer composites
  • composite processing techniques such as prepreg processing, powder-based techniques, mold infiltration, and/or other known techniques.
  • At least some examples of ball striking devices according to this invention relate to golf club head structures, including heads for wood-type golf clubs, such as drivers, as well as long iron clubs (e.g., driving irons, zero irons through five irons, and hybrid type golf clubs), short iron clubs (e.g., six irons through pitching wedges, as well as sand wedges, lob wedges, gap wedges, and/or other wedges), and putters.
  • heads for wood-type golf clubs such as drivers, as well as long iron clubs (e.g., driving irons, zero irons through five irons, and hybrid type golf clubs), short iron clubs (e.g., six irons through pitching wedges, as well as sand wedges, lob wedges, gap wedges, and/or other wedges), and putters.
  • Such devices may include a one-piece construction or a multiple-piece construction.
  • Example structures of ball striking devices according to this invention will be described in detail below in conjunction with FIG. 1, which illustrates an example of a ball striking device
  • FIGS. 1 -3 illustrate a ball striking device 100 in the form of a golf driver, in accordance with at least some examples of this invention.
  • the ball striking device 100 includes a ball striking head 102 and a shaft 104 connected to the ball striking head 102 and extending therefrom.
  • a ball 106 in use is also schematically shown in FIG. 1, in a position to be struck by the ball striking device 100.
  • the ball striking head 102 of the ball striking device 100 of FIG. 1 has a face 112 connected to a body 108, with a hosel 109 extending therefrom.
  • the head 102 generally has a top 116, a bottom or sole 118, a heel 120 proximate the hosel 109, a toe 122 distal from the hosel 109, a front 124, and a back or rear 126.
  • the shape and design of the head 102 may be partially dictated by the intended use of the device 100.
  • the head 102 has a relatively large volume, as the club 100 is designed for use as a driver or wood-type club, intended to hit the ball accurately over long distances.
  • the head may be designed to have different dimensions and configurations.
  • the club head When configured as a driver, the club head may have a volume of at least 400 cc, and in some structures, at least 450 cc, or even at least 460 cc. Other appropriate sizes for other club heads may be readily determined by those skilled in the art.
  • the head 102 has a hollow structure defining an inner cavity (e.g., defined by the face 112 and the body 108).
  • the head 102 has a plurality of inner surfaces defined therein.
  • the hollow center cavity may be filled with air.
  • the head 102 could be filled with another material, such as a foam.
  • the solid materials of the head may occupy a greater proportion of the volume, and the head may have a smaller cavity or no "inner cavity at all. It is understood that the inner cavity may not be completely enclosed in some embodiments.
  • the face 112 is located at the front 124 of the head 102, and has a ball striking surface 110 located thereon and an inner surface 111 opposite the ball striking surface 110.
  • the ball striking surface 110 is typically an outer surface of the face 112 configured to face a ball 106 in use, and is adapted to strike the ball 106 when the device 100 is set in motion, such as by swinging. As shown, the ball striking surface 110 is relatively flat, occupying most of the face 112.
  • the portion of the face 112 nearest the top face edge 113 and the heel 120 of the head 102 is referred to as the "high-heel area” 160; the portion of the face 112 nearest the top face edge 113 and toe 122 of the head 102 is referred to as the "high-toe area” 162; the portion of the face 112 nearest the bottom face edge 115 and heel 120 of the head 102 is referred to as the "low-heel area” 164; and the portion of the face 112 nearest the bottom face edge 115 and toe 122 of the head 102 is referred to as the "low-toe area" 166.
  • these areas 160-166 may be recognized and referred to as quadrants of substantially equal size (and/or quadrants extending from a geometric center of the face 112), though not necessarily with symmetrical dimensions.
  • the face 112 may include some curvature in the top to bottom and/or heel to toe directions (e.g., bulge and roll characteristics), as is known and is conventional in the art.
  • the surface 110 may occupy a different proportion of the face 112, or the body 108 may have multiple ball striking surfaces 110 thereon. In the illustrative embodiment shown in FIG. 1, the ball striking surface 110 is inclined slightly (i.e., at a loft angle), to give the ball 106 slight lift and spin when struck.
  • the ball striking surface 110 may have a different incline or loft angle, to affect the trajectory of the ball 106.
  • the face 112 may have a variable thickness and/or may have one or more internal or external inserts in some embodiments.
  • the face 112, the body 108, and/or the hosel 109 can be formed as a single piece or as separate pieces that are joined together.
  • the face 112 is formed as part of a face frame member 128, with a wall or walls 125 extending rearward from the edges 127 of the face 112. This configuration is also known as a cup face structure.
  • the body 108 can be formed as a separate piece or pieces joined to the walls 125 of the face frame member 128.
  • the body 108 is partially formed by a backbody member 129, which may be a single piece or multiple pieces.
  • the walls 125 of the face frame member 128 combine with the backbody member 129 to form the body 108 of the head 102. These pieces may be connected by an integral joining technique, such as welding, cementing, or adhesively joining. Other known techniques for joining these parts can be used as well, including many mechanical joining techniques, including releasable mechanical engagement techniques.
  • the hosel 109 may be integrally formed as part of the face frame member 128. Further, a gasket (not shown) may be included between the face frame member 128 and the backbody member 129.
  • FIGS. 4-6 illustrate a ball striking device 200 in the form of a golf iron, in accordance with at least some examples of this invention.
  • the ball striking device 200 includes a shaft 204 and a golf club head 202 attached to the shaft 204.
  • the golf club head 202 of FIG. 4 may be representative of any iron or hybrid type golf club head in accordance with examples of the present invention.
  • the golf club head 202 includes a body member 208 having a face 202 and a hosel 209 extending from the body 208 for attachment of the shaft 204.
  • the head 202 generally has a top 216, a bottom or sole 218, a heel 220 proximate the hosel 209, a toe 222 distal from the hosel 209, a front 224, and a back or rear 226.
  • the shape and design of the head 202 may be partially dictated by the intended use of the device 200.
  • the heel portion 220 is attached to and/or extends from a hosel 209 (e.g., as a unitary or integral one piece construction, as separate connected elements, etc.).
  • the face 212 is located at the front 224 of the head 202, and has a ball striking surface 210 located thereon and an inner surface 211 opposite the ball striking surface 210.
  • the ball striking surface 210 is typically an outer surface of the face 212 configured to face a ball (not shown) in use, and is adapted to strike the ball when the device 200 is set in motion, such as by swinging. As shown, the ball striking surface 210 is relatively flat, occupying most of the face 212.
  • the ball striking surface 210 may include grooves 148 (e.g., generally horizontal grooves 148 extending across the face 212 in the illustrated example) for the removal of water and grass from the face 212 during a ball strike.
  • grooves 148 e.g., generally horizontal grooves 148 extending across the face 212 in the illustrated example
  • any number of grooves, desired groove patterns, and/or groove constructions may be provided (or even no groove pattern, if desired), including conventional groove patterns and/or constructions, without departing from this invention.
  • the portion of the face 212 nearest the top face edge 213 and the heel 220 of the head 202 is referred to as the "high-heel area" 260; the portion of the face 212 nearest the top face edge 213 and toe 222 of the head 202 is referred to as the "high-toe area” 262; the portion of the face 212 nearest the bottom face edge 215 and heel 220 of the head 202 is referred to as the "low-heel area" 264; and the portion of the face 212 nearest the bottom face edge 215 and toe 222 of the head 202 is referred to as the "low-toe area" 266.
  • these areas 260-266 may be recognized and referred to as quadrants of substantially equal size (and/or quadrants extending from a geometric center of the face 212), though not necessarily with symmetrical dimensions.
  • the face 212 may include some curvature in the top to bottom and/or heel to toe directions (e.g., bulge and roll characteristics), as is known and is conventional in the art.
  • the surface 210 may occupy a different proportion of the face 212, or the body 208 may have multiple ball striking surfaces 210 thereon.
  • the ball striking surface 210 is inclined (i.e., at a loft angle), to give the ball an appreciable degree of lift and spin when struck.
  • the ball striking surface 210 may have a different incline or loft angle, to affect the trajectory of the ball.
  • the face 212 may have a variable thickness and/or may have one or more internal or external inserts in some embodiments. It is understood that the face 212, the body 208, and/or the hosel 209 can be formed as a single piece or as separate pieces that are joined together.
  • the body member 208 of the golf club head 202 may be constructed from a wide variety of different materials, including materials conventionally known and used in the art, such as steel, titanium, aluminum, tungsten, graphite, polymers, or composites, or combinations thereof. Also, if desired, the club head 202 may be made from any number of pieces (e.g., having a separate face plate, etc.) and/or by any construction technique, including, for example, casting, forging, welding, and/or other methods known and used in the art.
  • the ball striking device 100, 200 may include a shaft 104, 204 connected to or otherwise engaged with the ball striking head 102, 202, as shown schematically in FIGS. 1 and 4.
  • the shaft 104, 204 is adapted to be gripped by a user to swing the ball striking device 100, 200 to strike the ball 106.
  • the shaft 104, 204 can be formed as a separate piece connected to the head 102, 202, such as by connecting to the hosel 109, 209, as shown in FIGS. 1 and 4.
  • the shaft 104, 204 may be an integral piece with the head 102, 202, and/or the head 102, 202 may not contain a hosel 109, 209 or may contain an internal hosel structure. Still further embodiments are contemplated without departing from the scope of the invention.
  • the shaft 104, 204 may be constructed from one or more of a variety of materials, including metals, ceramics, polymers, composites, or wood.
  • the shaft 104, 204, or at least portions thereof may be constructed of a metal, such as stainless steel or titanium, or a composite, such as a carbon/graphite fiber-polymer composite.
  • the shaft 104, 204 may be constructed of different materials without departing from the scope of the invention, including conventional materials that are known and used in the art.
  • a grip element 205 may be positioned on the shaft 104, 204 to provide a golfer with a slip resistant surface with which to grasp golf club shaft 104, 204, as shown in FIG. 4.
  • the grip element 205 may be attached to the shaft 104, 204 in any desired manner, including in conventional manners known and used in the art (e.g., via adhesives or cements, threads or other mechanical connectors, swedging/swaging, etc.).
  • FIGS. 11-14 show a general cross-section of a face 112 for a ball striking device, having an outer (ball striking) surface 110 and an opposed inner surface 111. It is understood that while the reference numerals "112,” “110,” and “111" are used to describe the features of FIGS. 11-14, the features of the faces 112 shown in FIGS. 11-13 can be incorporated into the head 102 of the ball striking device 100 of FIGS. 1-3 and the head 202 of the ball striking device 200 of FIGS. 4-6, as well as any other ball striking device in accordance with aspects of this invention.
  • the head 102, 202 of the ball striking device 100, 200 has a face 112, 212 with a plurality of cavities 114, each configured to receive an insert 140 therein.
  • the face 112, 212 may have any number of cavities 114 and inserts 140.
  • the face 112 has eight cavities 114 and inserts 140
  • the face 212 has seven cavities 114 and inserts 140.
  • the face 112, 212 may have a greater or smaller number of cavities 114 and inserts 140.
  • the cavities 114 and inserts 140 may have any desired shape, although generally the cavities 114 may be shaped and otherwise configured to receive the appropriate insert 140 in a complementary manner.
  • the inserts 140 are circular and cylindrical, and the complementarily-shaped cavities 114 are circular, tubular structures.
  • FIGS. 7-10 show various different shapes for inserts 140 A-D that may be used in connection with the head 102, 202, and it is understood that the face 112, 212 may contain one or more cavities 114 that are shaped to receive each insert 140A-D.
  • FIG. 7 illustrates an insert 140A having a substantially triangular shape.
  • FIG. 8 illustrates an insert 140B having a substantially oval or elliptical shape.
  • FIG. 9 illustrates an insert 140C having a teardrop shape, which may also be considered a substantially triangular shape.
  • FIG. 10 illustrates an insert 140D having an elongated shape.
  • Faces 112 may be constructed with inserts having these and other shapes, in order to enable different weighting configurations, as described below. Further, in some embodiments, the face 112 may contain more than one different size and/or shape of insert 140, and may contain cavities 114 having a variety of different configurations to receive the different inserts 140.
  • the cavities 114 can be arranged in a variety of different configurations, which may depend on the number of cavities 114 present in the face 112, 212.
  • the head 102, 202 includes at least one cavity 114 located on the top side of the face 112, 212 and at least one cavity 114 located on the bottom side of the face 112, 212 (i.e., above and below the horizontal centerline of the face 112, 212).
  • the head 102 includes at least one cavity 114 located on the heel side of the face 112, 212 and at least one cavity located on the toe side of the face (i.e., left and right of the vertical centerline of the face 112, 212).
  • the face 112 has a cavity 140 located in each of the high-heel quadrant 160, the high-toe quadrant 162, the low-heel quadrant 164, and the low-toe quadrant 166. Additionally, the face 112 of the head 102 shown in FIG. 2 contains two cavities 114 on the horizontal centerline of the face 112, one each on the heel and toe sides of the face 112, and two cavities on the vertical centerline of the face, one each on the top and bottom sides of the face 112. In the embodiment of the head 202 shown in FIGS.
  • the face 212 has a cavity 140 located in each of the high-heel quadrant 260, the high-toe quadrant 262, the low-heel quadrant 264, and the low-toe quadrant 266. Additionally, the face 212 contains one cavity at the approximate center of the face 212 and two additional cavities on the vertical centerline of the face, one each on the top and bottom sides of the face 112. In further embodiments, the head 102, 202 may have a different configuration, and the arrangement of the cavities 114 may permit different weighting configurations and options, through insertion of different inserts 140 into the cavities 114, as described below.
  • the inserts 140 can be connected within the cavities 114 in any manner, including any and all connecting techniques known to those skilled in the art, which may depend on the shape and configuration of the cavities 114 and/or inserts 140.
  • the insert 140 is connected within the cavity 114 using an integral joining technique, such as welding.
  • the inserts 140G-H in the embodiment of FIG. 13 are connected in a similar manner.
  • the inserts 140E include a threaded stem 142 that allows the insert 140 to be connected to the face 112 by threading the stem 142 into a threaded cavity 114.
  • FIG. 11 the inserts 140E include a threaded stem 142 that allows the insert 140 to be connected to the face 112 by threading the stem 142 into a threaded cavity 114.
  • the inserts 1401- J also contain threaded stems 142 that are connected within threaded cavities 114, in a similar manner.
  • the inserts 140F include a threaded stem 142 that allows the insert 140 to be connected to the face 112 by use of a threaded nut 144.
  • the face 112 shown in FIG. 12 includes countersunk portions 146 in the outer surface 110 to accommodate an enlarged head 152 of the insert 140F, and countersunk portions 146 in the inner surface 111 to accommodate the nuts 144.
  • the inserts 1401- J in FIG. 14 similarly include enlarged heads 152 received in countersunk portions 146 in the face 112.
  • the insert 140 may be connected within the cavity by gluing, cementing, and other such techniques, including various other integral joining techniques. Further connecting techniques that may be used to connect the inserts 140 within the cavities 114 include clamping, friction or interference fit, swedging/s waging, and riveting or using other fasteners. It is also understood that not all the inserts 140 may be connected to the face 112, 212 in the same manner.
  • the face 112, 212 may have inserts on the inner surface 111, 211 and the outer surface 110, 210.
  • the face 112 may have front inserts 140G received in cavities 114 in the outer surface 110 of the face 112 and rear inserts 140H received in cavities 114 in the inner surface 111 of the face 112.
  • FIG. 14 illustrates a similar embodiment, where the face 112 has front inserts 1401 and rear inserts 140J, each of which have a stem 142 to permit the inserts 1401, 140J to be threaded into threaded cavities 114 on the outer surface 110 and inner surface 111 of the face, respectively.
  • the inserts 140G- J and cavities 114 of the faces 112 shown in FIGS. 13-14 extend only a portion of the way through the face 112.
  • the inserts 140 described herein may be permanently connected to the face 112 in some embodiments. In other embodiments, the inserts 140 may be removably connected to the face 112, to enable interchanging of inserts 140 to change the weight distribution of the face 112 as desired.
  • the threaded inserts 140E, 140F represent examples of interchangeable inserts, and it is understood that different types of interchangeable inserts can be used in other embodiments. For a club head 102 having a face 112 with interchangeable inserts 140, the weighting of the face 112 can be changed by removing at least one insert 140 and replacing the removed insert 140 with a different insert 140 having a different density.
  • FIG. 11 and 12 each illustrate interchanging of one of the inserts 140E, 140F with a replacement insert 140E', 140F'.
  • the inserts 140E can be interchanged from outside the head 112.
  • access to the inner surface 111 of the face 112 may be required to interchange the inserts 140.
  • the face 112 shown in FIG. 12 may require access to the inner surface 111 to interchange the inserts 140F, if the nut 144 is not fixed in place on the inner surface 111.
  • the inner inserts 140H, 140J in FIGS. 13 and 14 may require access to the inner face surface 111 for interchanging. When such a face 112 is used in connection with a ball striking device 100 as shown in FIGS.
  • the head 102 may include a removable backbody member 129 to provide this access.
  • a removable backbody member 129 may be included within the scope of the invention.
  • the cavities 114 may extend partially or completely through the face 112, 212.
  • the inserts 140 extend to the outer surface 110, 210 of the face 112, 212 and form a portion of the outer surface 110, 210.
  • the inserts 140 extend to the inner surface 111, 211 of the face 112, 212.
  • the inserts 140, 140E, 140F extend completely through the face 112, 212.
  • the inserts 140G-J extend only a portion of the way through the face 112, and extend either to the inner surface 111 or the outer surface 110 of the face 112. Additionally, as illustrated in FIG.
  • the inserts 140 may have grooves 150 thereon that are cooperatively positioned to match with the grooves 148 on the outer surface 210 of the face 212.
  • the cavities 114 may have countersunk portions 146 on the inner and outer sides thereof, to accommodate an enlarged head 152 of the insert 140F and/or a nut 144, as shown in FIG. 12.
  • the cavities 114 may have internal connecting structures, such as threading, to enable connection of inserts 140E having complementary threading, as shown in FIG. 11.
  • Each insert 140 may be made of one or more different materials, and the properties of each insert 140 can influence the properties of the face 112, 212.
  • at least one of the inserts 140 is made from a material that is different from the material from which the face 112, 212 is made. Additionally, in one embodiment, at least one of the inserts 140 is made from a material that is different from the material from which at least one of the other inserts 140 is made. The use of inserts 140 made from different materials and having different properties can allow for customization of the face 112, 212 to achieve specified performance characteristics.
  • the density of the material of the insert 140 is the density of the material of the insert 140. It is understood that the density of the material can be influenced by the natural density properties of the bulk material, as well as other factors, such as the porosity of the material. Additionally, the local density of the insert 140 may vary at different points on the insert, for example, if the insert 140 is made from multiple materials, has varying porosity, etc. In this case, the density of the insert 140 can be expressed as an average density, overall density, or bulk density. Li one embodiment, at least one of the inserts 140 has a density that is different from the density of the material of the face 112, 212. Additionally, in one embodiment, at least one of the inserts 140 has a different density than at least one of the other inserts 140.
  • inserts 140 having different densities By using inserts 140 having different densities, the weight distribution, center of gravity, and moment of inertia of the head 102 and face 112, 212 can be adjusted. For example, by connecting inserts 140 having lower densities near or at the center of the face 112, 212 and inserts 140 having higher densities near the heel 120 and toe 122 of the face 112, 212, the weight of the face 112, 212 can be distributed toward the edges of the face 112, 212, increasing the moment of inertia of the face 112, 212. Additionally, inserts 140 having different densities can be used to shift the center of gravity of the face 112, 212 toward a desired area of the face 112, 212, such as an area where missed hits frequently occur.
  • the face 112, 212 may have inserts on both the inner surface 111, 211 and the outer surface 110, 210, such as shown in FIGS. 13 and 14. Inserts 140G- J of different densities can be used in these embodiments to create front- weighting or rear- weighting of the face 112. as desired, as well as shifting the center of gravity and/or changing the moment of inertia of the face 112.
  • Each of the inserts 1401, 140J in FIG. 14 includes an enlarged head portion 152 that can assist with front- and rear- weighting of the face 112.
  • the shapes of the inserts 140 also influence the weighting distribution of the face 112, 212, once the insert is connected. For example, with a substantially triangular-shaped insert 140A as shown in FIG. 7, the weight of the insert 140A is disproportionately distributed toward the top of the insert 140A. Thus, the effect of connecting a heavier or lighter insert 140A of this shape to the face 112, 212 will have a disproportionate effect on the weighting of the face 112, 212.
  • the oval-shaped inserts 140B, teardrop-shaped inserts 140C, and elongated inserts 140D in FIGS. 8-10, as well as many other different shapes of inserts have disproportionate and/or asymmetrical weight distributions as well, and can likewise be used to disproportionately affect the weighting of the face 112, 212.
  • the face 112, 212 is described above as having inserts 140 connected thereto, the face 112, 212 can alternately be described as being made from at least two different materials, having different properties, where at least one of the materials is distributed in isolated areas across the face 112, 212, and may or may not utilize inserts to achieve this configuration.
  • the various materials have at least two different densities, and the densities of the materials may influence the weighting and weight distribution of the face 112, 212.
  • the different materials may have additional differing properties as well. It is understood that the face 112, 212 may contain more than two different materials, such as by the use of multiple inserts 140 made from different materials, and the use of multiple-material inserts 140.
  • the various different materials each form a portion of the outer surface or ball striking surface 110, 210 of the face 112, 212.
  • the inserts 140 described herein can be made from a variety of different materials to achieve the desired properties, such as a particular density and weight.
  • materials such as +8 density alloys and powder tungsten can be used for high-density inserts and materials such as aluminum or composites can be used for low- density inserts.
  • Other materials can be used in other embodiments, including any metals (including metal alloys), ceramics, polymers, composites (including fiber-reinforced composites), and wood.
  • one or more of the inserts 140 may be made from multiple materials.
  • each insert 140 may have a density that is different from the density of the face 112, 212, and each insert 140 may also have two or more portions with densities that are not only different from each other, but also different from the property of the face 112, 212. Likewise, a portion of each insert 140 may have a different density from the face 112, 212, and another portion may have the same density as the face 112, 212. In other embodiments of single-material or multiple-material inserts 140, the entire insert may have a density that is different from a density of the face 112, 212.
  • Heads 102, 202 incorporating the inserts 140, et seq. disclosed herein may be used as a ball striking device or a part thereof.
  • a golf club 100, 200 as shown in FIGS. 1-6 may be manufactured by attaching a shaft or handle 104, 204 to a head that is provided, such as the head 102, 202 as described above.
  • "Providing" the head, as used herein, refers broadly to making an article available or accessible for future actions to be performed on the article, and does not connote that the party providing the article has manufactured, produced, or supplied the article or that the party providing the article has ownership or control of the article. In other embodiments, different types of ball striking devices can be manufactured according to the principles described herein.
  • Manufacturing the head 102 shown in FIGS. 2-3 may include attachment of a backbody member 129 to a face frame member 128, as described above. Additionally, the head 102, 202, golf club 100, 200, or other ball striking device may be fitted or customized for a person by connecting inserts 140 having different densities to customize the weighting of the face 112, 212. Such customization may include selecting inserts 140 having specific densities and connecting the inserts 140 to the face 112, 212 in an arrangement to achieve the desired weight distribution of the face 112, 212. Such customization may further include removing one insert 140 and interchanging the removed insert 140 with another insert 140 having at least one different property.
  • Heads 102, 202 incorporating the inserts 140 disclosed herein may be used as part of a kit or assembly that includes a head 102, 202 as described above, along with one or more inserts 140 configured for connection to the head 102, 202. If the kit includes multiple inserts 140, each of the inserts 140. may have different properties. In one embodiment, the head 102, 202 may have one or more cavities 114 with specific shapes, and the kit may include one or more inserts 140 having the same shape. In another embodiment, the head 102, 202 may have multiple cavities 114 with differing shapes, and the kit may include one or more inserts 140 having the same shape as each of the cavities 114.
  • the kit may include inserts 140 having different shapes, and the head 102, 202 may require further processing to connect the inserts 140 to the face 112, 212, such as by forming one or more cavities 114 in the face 112, 212.
  • the kit may also include one or more shafts 104, 204 for connection to the head.
  • the kit may include a plurality of inserts 140 that are removable and interchangeable with each other.
  • the ball striking devices and heads therefor as described herein provide many benefits and advantages over existing products.
  • inserts having different densities and weights can be strategically located and weighted to provide a specific weight distribution.
  • This enables the overall moment of inertia of the head to be changed, such as by adjusting the weight distribution between the center of the face and the edges of the face.
  • This also enables the center of gravity of the face to be moved and/or the relative moment of inertia for various points on the face to be changed, such as by increasing or decreasing the weight of the face in a specific area.
  • Weighting the face in a customized manner can provide superior ball striking function for the head, such as by reducing twisting upon impact. Additionally, the weighting can be customized so that the areas of the face that most frequently impact the ball during play will result in greater energy and velocity transfer and truer and straighter ball flight.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Golf Clubs (AREA)

Abstract

L'invention porte sur un dispositif de frappe de balle, tel qu'un club de golf (100), lequel dispositif comprend une tête (102) avec une face (112) ayant une surface externe configurée pour frapper une balle, un corps relié à la face, et une pluralité de cavités (114) dans la face, chaque cavité étant configurée pour recevoir un insert (140). La tête peut également comprendre une pluralité d'inserts reçus à l'intérieur des cavités. Les inserts peuvent être réalisés à partir d'un ou plusieurs matériaux différents ayant des densités différentes. Des inserts différents ayant des densités différentes peuvent être reliés à la face afin d'adapter au besoin le poids de la face, de façon à ajuster l'emplacement du centre de gravité de la face ou à changer le moment d'inertie de la tête.
PCT/US2010/030467 2009-04-15 2010-04-09 Tête de club de golf ou autre dispositif de frappe de balle ayant de multiples inserts de face Ceased WO2010120635A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10714750A EP2419182A1 (fr) 2009-04-15 2010-04-09 Tête de club de golf ou autre dispositif de frappe de balle ayant de multiples inserts de face
JP2012506084A JP5768042B2 (ja) 2009-04-15 2010-04-09 複数のフェースインサートを有するゴルフクラブヘッドまたは他の打球装置
CN201080021180.1A CN102438710B (zh) 2009-04-15 2010-04-09 具有多个打击面插入物的高尔夫球杆杆头或其它击球器具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/424,344 2009-04-15
US12/424,344 US20100267466A1 (en) 2009-04-15 2009-04-15 Golf club head or other ball striking device having multiple face inserts

Publications (1)

Publication Number Publication Date
WO2010120635A1 true WO2010120635A1 (fr) 2010-10-21

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PCT/US2010/030467 Ceased WO2010120635A1 (fr) 2009-04-15 2010-04-09 Tête de club de golf ou autre dispositif de frappe de balle ayant de multiples inserts de face

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US (1) US20100267466A1 (fr)
EP (1) EP2419182A1 (fr)
JP (1) JP5768042B2 (fr)
CN (1) CN102438710B (fr)
WO (1) WO2010120635A1 (fr)

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US9044653B2 (en) 2012-06-08 2015-06-02 Taylor Made Golf Company, Inc. Iron type golf club head
US9492722B2 (en) 2013-11-12 2016-11-15 Taylor Made Golf Company, Inc. Golf club
US9937395B2 (en) 2013-11-12 2018-04-10 Taylor Made Golf Company, Inc. Golf club
US9675853B2 (en) * 2014-05-13 2017-06-13 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
CN106232190B (zh) * 2014-08-26 2017-08-25 帕森斯极致高尔夫有限责任公司 高尔夫球杆头和制造高尔夫球杆头的方法
CN104324494A (zh) * 2014-10-20 2015-02-04 中山市迈进高尔夫用品有限公司 可调配重的高尔夫球头及其制造方法
US20160166895A1 (en) * 2014-12-15 2016-06-16 Phillip Lapuz Golf club with insert.
FR3060617A1 (fr) 2016-12-20 2018-06-22 Compagnie Generale Des Etablissements Michelin Cable multi-torons a deux couches a penetrabilite amelioree
CN108635779B (zh) * 2018-06-20 2022-08-16 王家庆 一种提高控球能力的训练篮球
JP7438182B2 (ja) 2018-07-12 2024-02-26 カーステン マニュファクチュアリング コーポレーション 格子を有するゴルフクラブヘッドフェースプレート
US12383802B2 (en) 2018-07-12 2025-08-12 Karsten Manufacturing Corporation Golf club head faceplates with lattices
US11618213B1 (en) 2020-04-17 2023-04-04 Cobra Golf Incorporated Systems and methods for additive manufacturing of a golf club
JP2023541296A (ja) * 2020-09-14 2023-09-29 カーステン マニュファクチュアリング コーポレーション 格子を有するゴルフ・クラブ・ヘッド
US11813507B1 (en) * 2021-07-08 2023-11-14 Cobra Golf Incorporated Systems and methods for insert of a putter-type golf club

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Also Published As

Publication number Publication date
JP2012523912A (ja) 2012-10-11
CN102438710B (zh) 2014-08-27
US20100267466A1 (en) 2010-10-21
CN102438710A (zh) 2012-05-02
EP2419182A1 (fr) 2012-02-22
JP5768042B2 (ja) 2015-08-26

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