Abstract: A hollow golf club head 1 comprises a face portion 2 which includes a club face 2a for striking a ball, and a main body 3 extending rearward of the head from the face portion 2. The face Portion 2 is made of a low-specific-gravity material having a specific gravity of 4.0 or less. The main body 3 is provided in its face portion 2 side with a low stiffness zone 10 where the stiffness is locally reduced.

Abstract: An golf club head with a structure that improves the sound and reduces stress placed on the face upon impact with a golf ball is disclosed herein. In particular, the golf club head is an iron with a face having a rear protrusion, also referred to as a piston, with both forward and rearward facing surfaces. The piston is at least partially received within a receptacle provided in the body of the golf club head. The receptacle also includes a pair of bumpers, one of which interacts with the piston to improve the sound of the face upon impact with a golf ball at speeds at which an average golfer would swing the club head, and the other of which reduces the stress placed on the face when the club makes impact with a golf ball at high speeds.

Abstract: An iron golf club head includes a head member having a lace surface and a back surface located opposite to the face surface, and a badge member having an opposed surface facing the back surface and connected to the back surface and an exposed surface located opposite to the back surface the opposed surface and exposed to the outside. The badge member includes a resin plate having the opposed surface and made of a resin material, and a metal plate having the exposed surface and made of a metal material. The resin plate is provided with a plurality of recesses recessed toward the opposed surface. The plurality of recesses are arranged side by side in a toe-to-heel direction. The ratio V/S of a volume V (unit: mm3) of the badge member to an area S (unit: mm3) of the opposed surface is 4.0 or more and 10.0 or less.

Abstract: In general, aspects of this invention relate to blade-type iron golf clubs or golf club heads. The blade-type golf club head may comprise a body forged of a metal material. The body may include a hosel, a top surface, a sole, a heel, a toe, a ball striking surface, and a rear surface opposite the ball striking surface. The rear surface may have recess in which a dual-density insert is affixed. The dual-density insert may have a first portion or first insert with a density greater than a second portion or second insert with a lesser density located closer to the toe than the first portion or first insert located closer to the heel. The mass distribution of the dual-density insert moves the center of gravity of the club head closer or substantially coincident to the face center location.

Abstract: A ball striking device, such as a golf club head, has a face with a striking surface configured for striking a ball and a channel extending across a portion of the sole. The channel may be recessed from adjacent surfaces of the sole and have a depth of recession from the adjacent surfaces of the sole, wherein the channel comprises a center portion extending across a center of the sole, a heel portion extending from a heel end of the center portion toward the heel, and a toe portion extending from a toe end of the center portion toward the toe, wherein the width and the depth of the center portion of the channel are substantially constant, and wherein the depth of the channel is greater at the heel and toe portions than at the center portion.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a rear portion, a front portion with a strike face, a sole portion, and a top portion with a plurality of ports. The body portion may define a periphery of the golf club head. The golf club head may also include a plurality of weight portions with each weight portion disposed in one port of the plurality of ports. Other examples and embodiments may be described and claimed.

Abstract: A golf club head including a club head body including a back portion, a striking face, and an interior cavity formed between the back portion and the striking face, wherein the striking face comprises a front surface configured to strike a golf ball and a rear surface opposite the front surface, a deformable element residing between the back portion and the rear surface of the striking face, wherein the deformable element comprises a front surface in contact with the rear surface of the striking face, wherein an aperture is formed through the back portion; and an adjustment driver residing within the aperture, the adjustment driver including a recess adjacent the interior cavity, wherein the deformable element resides within the recess, wherein the back portion comprises a shelf surrounding the aperture, wherein the adjustment drive comprises a flange, the flange in contact with the shelf.

Abstract: A wood-type golf club head includes first and second ribs projecting from a bottom club head wall portion, the wall portion, the first rib, and the second rib forming an elongate recess defining a weight path. A weight element is translatable along the weight path and includes a first weight portion, a second weight portion, and a fastener, the first and second ribs each being interposed between the first weight portion and the second weight portion such that the first weight portion is located proximate the club head wall portion and the second weight portion is located distal the club head wall portion. The second weight portion has a contact surface that includes a recessed region, and when the weight element is in a secured position, at least a portion of the first weight portion is located within the recessed region.

Abstract: A golf club head is provided having a body and a face, with a slot in a perimeter region of the body of the club head adjacent the face. The slot increases the flex of the hitting surface on impact with a golf ball, thereby increasing the speed with which the ball rebounds off the hitting face and increases the overall distance the ball is hit. The slot preferably moves the sweet spot of the hitting face a distance X from the face center of the hitting face. The slot may be partially or wholly filled with an insert.

Abstract: A golf club head includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, and a skirt positioned around a periphery between the sole and crown. The body has a forward portion and a rearward portion. The club head includes a face positioned at the forward portion of the body. In some embodiments, the crown includes a lattice-like structure having thin regions surrounded by a web of relatively thicker regions. In some embodiments, the club head includes one or more stiffening tubes attached between the sole and the crown to improve the acoustic performance of the golf club head.

Abstract: The present disclosure concerns embodiments of a badge and golf club head having a badge therein that can dampen the impact sound made when a hitting surface (a.k.a., face) of the golf club head impacts a golf ball. In one embodiment, a golf club head includes: a face portion surrounded by a topline portion, a toe portion, a sole portion and a heel portion, the face portion having a front striking surface and a back surface; and a badge coupled to the back surface of the face portion, the badge including a planar main body portion and at least one structural member extending outwardly from the main body portion, wherein the at least one structural member includes a lower portion and an upper portion disposed between the topline portion and lower portion, and wherein the at least one structural member has a maximum height, above the main body portion, at the lower portion and a minimum height at the upper portion.

Abstract: An iron-type golf club head includes a body having a wall extending about an opening, a faceplate coupled to the body across the opening, a first set of apertures, and at least one second aperture. The wall has an outer peripheral surface, a sole, a toe and a topline. The wall and the faceplate define a rearward-facing cavity. The first set of apertures extends through the wall from the peripheral outer surface to the cavity. The first set of apertures extends about a first plane. The at least one second aperture extends through the wall from the peripheral outer surface to the cavity. The at least one second aperture extends about a second plane.

Abstract: Provided are a golf club head and a golf club with a plate member that is resistant to peeling and has a glossy appearance. A golf club head includes a face portion including a ball striking surface, and a plate member connected to a back surface located on the back side of the face portion. The plate member includes a resin and a metal material. The metal material is arranged on at least any one of a toe side and a heel side of the face portion and is arranged so as not to planarly overlap a striking point of the face portion.

Abstract: The present disclosure concerns embodiments of a badge or insert for a golf club head that can eliminate undesired gaps between the insert and the peripheral sidewall of the cavity that receives the insert. In one embodiment, a golf club head comprises a main body comprising a cavity, which defines a central surface and an inner peripheral surface at least partially surrounding the central surface. An insert comprises a central portion and a deflectable portion coupled to and extending along a peripheral edge section of the central portion. The deflectable portion has a shape corresponding to and contacting a corresponding section of the inner peripheral surface of the cavity. The deflectable portion forms a press-fit engagement with the corresponding section of the inner peripheral surface of the cavity that retains the deflectable portion in a deflected state relative to the central portion.

Abstract: In general, aspects of this invention relate to blade-type iron golf clubs or golf club heads. The blade-type golf club head may comprise a body forged of a metal material. The body may include a hosel, a top surface, a sole, a heel, a toe, a ball striking surface, and a rear surface opposite the ball striking surface. The rear surface may have recess in which a dual-density insert is affixed. The dual-density insert may have a first portion or first insert with a density greater than a second portion or second insert with a lesser density located closer to the toe than the first portion or first insert located closer to the heel. The mass distribution of the dual-density insert moves the center of gravity of the club head closer or substantially coincident to the face center location.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a rear portion, a front portion with a strike face, a sole portion, and a top portion with a plurality of weight ports. The body portion may define a periphery of the golf club head. The golf club head may also include a plurality of weight portions with each weight portion disposed in one weight port of the plurality of weight ports. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a rear portion, a front portion with a strike face, a sole portion, and a top portion with a plurality of weight ports. The body portion may define a periphery of the golf club head. The golf club head may also include a plurality of weight portions with each weight portion disposed in one weight port of the plurality of weight ports. Other examples and embodiments may be described and claimed.

Abstract: The present invention is direct to a set of golf clubs comprising long irons, mid-irons and short irons. The invention contemplates the use of titanium or steel for the main body portion and significant tungsten weight members coupled to at least the toe via a mechanical fastener inserted through the face.

Abstract: An iron-type golf club head comprising a body with a striking face and a hollow cavity portion, a medallion, and a damping insert that is spaced from, and does not contact any portion of, the striking face is disclosed herein. The damping insert is trapped between the medallion and a support structure that extends from the body of the club head approximately parallel with the striking face, and is at least partially suspended over or in the cavity portion. The structure may be an elongated stiffening member that connects upper and lower portions of the body to one another, or a rectangular lip section. The damping insert is affixed to only one of the medallion and the structure with an adhesive material, and damps vibration in the striking face after the striking face makes contact with a golf ball, while the striking face is rebounding from impact.

Abstract: A golf club head including a body having a front portion, a rear portion, a toe portion, a heel portion, a top portion, and a bottom portion. The body further includes a cavity in the front portion. The cavity having a protrusion and a step configured to receive a strikeplate, such that a gap exists between the strikeplate and the inner surface of the cavity.

Abstract: Provided is a golf club head having a sole portion. In the sole portion, first and second grooves are formed extending in a toe-heel direction and recessed toward the inside of the sole portion. The first groove is disposed on a face side relative to the second groove. The first groove includes a first main inner wall and a first sub inner wall shorter than the first main inner wall. The second groove includes a second main inner wall and a second sub inner wall shorter than the second main inner wall. The first and second main inner walls are inclined so as to point upward toward the face side. The second main inner wall, when the sole portion has been placed on a ground plane, is inclined more steeply than the first main inner wall relative to the ground plane in a side cross-sectional view.

Abstract: A golf club head includes a body having a face plate having a strike surface and an opposing interior surface, a rear end, and a sole connecting the faceplate with the rear end. The face plate, the rear end, and the sole partially define a cavity. An insert is positioned within the cavity, the insert presenting an insert surface facing the interior surface of the face plate and spaced therefrom.

Abstract: A multiple-material golf club and a method for forming said golf club is disclosed herein. The multiple-material golf club preferably is a driver that has a metal face cup and a thin-walled, compression molded, composite aft body with precise IML and OML geometry. The molding composite used to form the compression molded aft body preferably comprises a plurality of randomly oriented, pre-spread carbon fiber bundles and a thermoset or thermoplastic matrix material.

Abstract: A golf club head includes a body, a first polymeric insert, and a second polymeric insert. The body includes a face, a sole, and a rear wall that collectively define an undercut volume. The first polymeric insert is provided within the undercut volume to define a sealed cavity within the undercut volume; and, the second polymeric insert is secured to the body and defines an open cavity extending from the rear wall toward the face.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. The golf club head may include an interior cavity. The interior cavity may be filled with an elastic polymer material. Other examples and embodiments may be described and claimed.

Abstract: The present disclosure concerns embodiments of a badge or insert for a golf club head that can eliminate undesired gaps between the insert and the peripheral sidewall of the cavity that receives the insert. In one embodiment, a golf club head comprises a main body comprising a cavity, which defines a central surface and an inner peripheral surface at least partially surrounding the central surface. An insert comprises a central portion and a deflectable portion coupled to and extending along a peripheral edge section of the central portion. The deflectable portion has a shape corresponding to and contacting a corresponding section of the inner peripheral surface of the cavity. The deflectable portion forms a press-fit engagement with the corresponding section of the inner peripheral surface of the cavity that retains the deflectable portion in a deflected state relative to the central portion.

Abstract: A head 2 includes a head body h1, a face part Fp1, and a connecting part Cn1. The face part Fp1 includes a face surface f1 and a face back surface f2. The connecting part Cn1 connects the face back surface f2 of the face part Fp1 and the head body h1 to each other. The connecting part Cn1 may be provided at a position separated from a peripheral edge of the face back surface f2. The peripheral edge of the face back surface f2 may be separated from the head body h1. The face part Fp1 may include a face middle region R1 and a face peripheral region R2. The connecting part Cn1 may be provided only in the face middle region R1.

Abstract: A ball striking device includes a ball striking plate having a front surface configured to strike a ball and a rear surface opposite the front surface. The ball striking plate has a desired-contact region and a perimeter. One or more spoke-like reinforcement ribs may be located on the rear surface and may radiate away from the desired-contact region toward the perimeter. At least one of the spoke-like reinforcement ribs may be located in an upper-toe quadrant or in an upper-heel quadrant of the rear surface. One or more encircling reinforcement ribs may be located on the rear surface. The one or more encircling reinforcement ribs may be at least partially encircling the desired-contact region. A thickened portion of the ball striking plate may be positioned behind the desired-contact region of the ball striking plate. The ball striking device may be a golf club head.

Abstract: A multiple-material golf club and a method for forming said golf club is disclosed herein. The multiple-material golf club preferably is a driver that has a metal face cup and a thin-walled, compression molded, composite aft body with precise IML, and OML geometry. The molding composite used to form the compression molded aft body preferably comprises a plurality of randomly oriented, pre-spread carbon fiber bundles and a thermoset or thermoplastic matrix material.

Abstract: Iron-type golf club heads are disclosed having a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face. The iron-type golf club heads include a flexible boundary structure (“FBS”) that is provided at one or more locations on the club head. The flexible boundary structure may comprise, in several embodiments, a slot, a channel, a gap, a thinned or weakened region, or other structure that enhances the capability of an adjacent or related portion of the golf club head to flex or deflect and to thereby provide a desired improvement in the performance of the golf club head.

Abstract: A multiple-material golf club and a method for forming said golf club is disclosed herein. The multiple-material golf club preferably is a driver that has a metal face cup and a thin-walled, compression molded, composite aft body with precise IML and OML geometry. The molding composite used to form the compression molded aft body preferably comprises a plurality of randomly oriented, pre-spread carbon fiber bundles and a thermoset or thermoplastic matrix material.

Abstract: A golf club head includes a club body including a heel portion, a sole portion, a toe portion, a top-line portion, and a face portion. In some embodiments, the face portion has an ideal striking location and at least one channel defined in the face. In some embodiments, the golf club head has a striking face and at least one channel defined in the striking face. In some embodiments, the golf club head has an ideal striking location and at least one non-ideal striking location.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. The golf club head may include an interior cavity. Other examples and embodiments may be described and claimed.

Abstract: A hollow golf club head having face end and tail ends, a strike face at the face end, a crown, a sole, and a structural response modifying constraining member having first and second ends, the second being forward of the first and spaced from the strike face, the constraining member extending vertically and in contact with the sole and the crown at its first and second ends, and extending horizontally distance that is substantially less than the sole length, when the club head is in address position.

Abstract: A golf club head comprising a ribbed region on at least one of a heel portion, a toe portion, sole, or crown. The ribbed region comprises a ribbed wall with an interior surface facing an interior of the golf club head, and a ribbed wall exterior facing an exterior of the golf club head. The ribbed region further comprises at least one rib protruding from the ribbed region. The first rib comprises a first rib length measured along a rib centerline of the first rib, a first rib interior section located at the ribbed wall interior surface, and a first rib exterior section located at the ribbed wall exterior surface.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a rear portion, and a front portion having a face portion with a face portion thickness extending between a front surface and a back surface. The body portion may be associated with a body portion volume. The golf club head may also include an interior cavity. The interior cavity may include an elastic polymer material. Other examples and embodiments may be described and claimed.

Abstract: A ball striking device, such as a golf club head, has a face with a striking surface configured for striking a ball and an elongated channel extending across a portion of the sole in a heel to toe direction. The channel is recessed from adjacent surfaces of the sole. The channel may have a width defined in a front to rear direction and a depth of recession from the adjacent surfaces of the sole, wherein the channel comprises a center portion extending across a center of the sole, a heel portion extending from a heel end of the center portion toward the heel, and a toe portion extending from a toe end of the center portion toward the toe. The channel may have a wall thickness that is greater in the center portion of the channel than in at least one of the heel and toe portions.

Abstract: An iron-type golf club head includes a body having a wall extending about an opening, a faceplate, at least first and second apertures extending through the wall, and at least first and second plugs. The wall has and outer peripheral surface and a first hardness. The faceplate is coupled to the body across the opening. The wall and the faceplate defining a rearward-facing cavity. The first and second apertures extend through the wall from the peripheral outer surface to the cavity. The at least first and second plugs are positioned within the at least first and second apertures, respectively, and the first and second plugs have second and third hardnesses, respectively. Each of the second and third hardnesses is less than the first hardness.

Abstract: An iron-type golf club head includes a striking face; a base surface opposite the striking face; and a perimeter weighting element surrounding the base surface and including a top-line portion, a sole portion, a heel portion, and a toe portion. A first auxiliary cavity is delimited by the perimeter weighting element and a first perimeter wall, the first perimeter wall coupled to the sole portion and to the heel portion of the perimeter weighting element. A second auxiliary cavity is delimited by the perimeter weighting element and a second perimeter wall, the second perimeter wall coupled to the sole portion and to the toe portion of the perimeter weighting element. A central cavity is at least partially delimited by the base surface, the perimeter weighting element, the first perimeter wall, and the second perimeter wall, and an insert is within the central cavity.

Abstract: A golf club head includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, and a skirt positioned around a periphery between the sole and crown. The body has a forward portion and a rearward portion. The club head includes a face positioned at the forward portion of the body. In some embodiments, the crown includes a lattice-like structure having thin regions surrounded by a web of relatively thicker regions. In some embodiments, the club head includes one or more stiffening tubes attached between the sole and the crown to improve the acoustic performance of the golf club head.

Abstract: A golf club may include a front surface, a rear surface having a recess, and an insert at least partially disposed in the recess. The insert may comprise a durometer hardness of less than about 95 Shore A and a cavity having a reinforcement member disposed therein. Preferably, the durometer hardness of the reinforcement member is also less than about 95 Shore A. The insert may further comprise an anterior perimetric boundary having a first length and a posterior perimetric boundary having a second length. The ratio of the first length to the second length may be less than 1 and greater than 0.5. In one example, the insert may have a triangular front profile and a triangular side profile.

Abstract: A golf club head having a translucent insert disclosed. The club head includes a body defining a striking face, a top line, a sole, a back, a heel, and a toe. The back contains a cavity that extends in a direction substantially perpendicular to the face. A recess is provided within the cavity, with the recess extending away from the cavity and toward the sole. The recess causes more of the club head mass to be oriented towards the perimeter of the club head, and optionally also toward the back of the club head. This enlarges the club sweet spot and increases the moment of inertia, and facilitates imparting a desired flight path to a struck golf ball, producing a more forgiving club. The recess may have a varying depth and/or a varying draft angle. A rear wall of the recess may be provided with a cutout to further reposition mass toward the club head perimeter. A translucent insert, such as a vibration dampening member, may be provided within the recess.

Abstract: Some embodiments include a golf club head with an arcuate port structure and tuning element. Other embodiments for related golf club heads and methods are also disclosed.

Abstract: A golf club head comprising a variable thickness profile comprising a thick central portion; a transition portion; and a thin perimeter portion; wherein said transition portion surrounds said thick central portion; wherein said thin perimeter portion surrounds said transition portion; wherein said thick central portion comprises a center, said center of said thick central portion located equidistant from a heel most portion of said thick central portion and a toe most portion of said thick central portion; wherein said center of said thick central portion is offset from said geometric center of said striking face. The present invention also discloses a flexure feature located near a frontal sole portion of the golf club head, wherein the flexure has a specific thickness profile adapted to respond to the needs of the present golf club head.

Abstract: A multiple-material golf club and a method for forming said golf club is disclosed herein. The multiple-material golf club preferably is a driver that has a metal face cup and a thin-walled, compression molded, composite aft body with precise IML and OML geometry. The molding composite used to form the compression molded aft body preferably comprises a plurality of randomly oriented, pre-spread carbon fiber bundles and a thermoset or thermoplastic matrix material.

Abstract: A multiple-material golf club and a method for forming said golf club is disclosed herein. The multiple-material golf club preferably is a driver that has a metal face cup and a thin-walled, compression molded, composite aft body with precise IML and OML geometry. The molding composite used to form the compression molded aft body preferably comprises a plurality of randomly oriented, pre-spread carbon fiber bundles and a thermoset or thermoplastic matrix material.

Abstract: A golf club head includes a crown, and a sole, and further includes a forward section that includes a strike face and a body section that is coupled with the forward section. The body section has an upper portion that defines a portion of the crown and a lower portion that that defines a portion of the sole. The upper portion is formed from a molded polymeric material and includes an internal wall extending into contact with the lower portion. The lower portion defines an opening extending through the sole, and the internal wall and the crown at least partially define a cavity that is in communication with the opening.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a hollow body portion with a face portion, a toe portion, a top portion, a sole portion, a back portion, and an interior cavity extending between the top and sole portions and between the face and back portions. The interior cavity may be partially or entirely filled with an elastic polymer material. Other examples and embodiments may be described and claimed.

Abstract: An iron type golf club head including a striking wall having front and rear surfaces, a rearwardly extending perimeter-weighted element which includes heel, toe, top, and sole portions, the sole portion including a forward end, rearward end, and an upper surface, the intersection of the upper surface of the sole portion and the rear surface of the striking wall defining an interior sole line, the intersection of the upper surface of the sole portion and the rearward end of the sole portion defining a trailing-edge sole line, the perimeter-weighted element having one or more rearwardly-opening recesses therein; and a polymeric element affixed to the sole portion, wherein, in a imaginary vertical plane substantially perpendicular to the striking wall, when the golf club head is in an address position, the interior sole line is below the trailing-edge sole line.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, a front portion having a face portion with a front surface and a back surface, an interior cavity extending between the top and sole portions and between the face and back portions, and an elastic polymer material in the interior cavity, and a bonding portion. Other examples and embodiments may be described and claimed.