Abstract: A golf club head includes a face, a crown, a sole, and defines a bore that is configured to receive and to selectively retain an elongate weight. The bore is aligned on a longitudinal axis that intersects the face. An elongate weight is insertable into the bore. The elongate weight is rotatable between a first angular position and a second angular position. The golf club head can further include a compliant stop positioned to contact a protrusion of the elongate weight, such that a torque threshold must be overcome to rotate the elongate weight.

Abstract: A co-forged iron type golf club is disclosed. More specifically, the present invention discloses a co-forged iron type golf club with the body portion made out of a first material and at least one weight adjustment portion monolithically encased within the body portion of the co-forged iron type golf club head without the need for secondary attachment or machining operations. The present invention also includes a combination internal cavities and weight adjustment portions that improve the inertial and performance attributes of the iron type golf club head.

Abstract: Golf club heads include at least one weight port situated to retain weights and positioned above an approximate club face geometric center with the club in a standard address position. One, two, or more weight ports can be located above the club face center in a club crown or other portion of a club body. Club head vertical center of gravity can be selected to compensate dynamic loft associated with locating the club head center of gravity well behind the club face. Three-dimensional adjustment of club head center of gravity is possible.

Abstract: A golf club head comprises a body including a top and a bottom and a hosel connected to the body. The body comprises a forward face defining a leading edge and an opposing rearward facing surface defining a trailing edge. At least one weight shifting element is positioned on the rearward facing surface. A sole extends between the leading edge and the trailing edge and defines a center portion, a first end surface and a second end surface. A static bounce angle is equal to an effective bounce angle when the center portion is square with the ground, and the effective bounce angle is greater than the static bounce angle when the center portion is not square with the ground and the second end surface is positioned away from the ground.

Abstract: Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head may include a body portion having an interior cavity, a face portion enclosing the interior cavity, a first mass portion and a second mass portion coupled to the body portion, a port connected to the interior cavity, and a filler material injected into the interior cavity from the port. The second mass portion includes a top portion and a bottom portion oriented relative to each other at an angle at least partially corresponding to a contour of a portion of the toe portion edge. The mass of the top portion of the second mass portion is less than the mass of the bottom portion of the second mass portion. Other examples and embodiments may be described and claimed.

Abstract: A golf club head has a body defining a ball striking face. The body further has a rear portion comprising a plurality of side walls and a planar lower portion. The plurality of side walls extend downward from a top of the golf club head towards the planar lower portion. The body further comprises a cover extending over the rear. The body further defines a gap between the cover and the planar portion.

Abstract: Golf clubs and golf club heads having a weight member that is configurable in multiple positions to alter the performance characteristics of the golf club head are presented. In some examples, the weight member may be arranged in a sole of the golf club head and may include ends having different weighting characteristics. For instance, one end may be heavier or denser than another end of the weight member. The difference in weight characteristics may be due to different materials used to form the different ends, different construction of the ends, and the like. The position of the weight member may be adjusted to alter the performance characteristics of the golf club head. For instance, the weight member may be removed and rotated to position a heavier end where a lighter end was previously positioned.

Abstract: Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head includes a body portion defining an interior cavity, a port on the body portion connected to the interior cavity, and a face portion coupled to a front portion of the body portion to enclose the interior cavity. The face portion includes a recess portion and a face plate portion. The face plate portion includes an outer portion surrounding an inner portion. The inner portion of the face plate portion configured to enclose the recess portion. The golf club head also includes a first filler material in the interior cavity, and a second filler material in the recess portion. The first filler material and the second filler material have different coefficients of restitution. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head includes a hollow body portion defining an interior cavity and a front portion with a front opening, a face portion coupled to the front portion to enclose the interior cavity, a first filler material at least partially filling the interior cavity, a second filler material at least partially filling the interior cavity, and a plate portion inside the interior cavity. The plate portion at least partially separates the first filler material from the second filler material. The first filler material and the second filler material have at least one different physical property. Other examples and embodiments may be described and claimed.

Abstract: A golf club with a multi-piece adjustable and interchangeable modular hosel system comprises a shaft tip connector portion, an upper hosel portion, and optional, intermediate interchangeable hosel adjustment spacer(s). The modular hosel system can be used, for example, with no spacers in place, or one or more risers in each of the hosel adjustability regions. The adjustment spacers can be used to increase the hosel length and shaft axis to head center of gravity offset or intersection. Angled risers can be oriented to adjust the shaft axis relative to club head orientation to fit and adjust specifications including loft and lie angle, alone or in combination. The modular hosel construction provides a quick and efficient means of fitting the putter specification to a large number of golfer requirements and also adjusting the specifications for changing user needs or course conditions.

Abstract: A golf club head with an improved Center of Gravity (CG) location is disclosed. More specifically, the present invention relates to a metalwood type golf club head with improved performance via shifting the CG towards a location that reduces spin, at the same time, without sacrificing launch angle and the forgiveness of the golf club head. This golf club head may generally have a unique construction capable of achieving a low and forward CG location that is less than 40 mm from the face center along a Z-axis, a CG height that is no more than 2 mm above the neutral axis, and a MOI-Y of greater than about 4,000 g-cm2.

Abstract: A method of customizing a golf club, wherein the method includes generating operating data representative of a user operating a mechanical device. The operating data is generated by a first sensor sized and configured to be removably positioned in a mounting port formed on the mechanical device during operation of the mechanical device. The sensor is interchangeably positionable in the mounting port with at least one mass insert, the at least one mass insert being adapted to be interchangeably positioned in the mounting to provide at least two different mass configurations. The method further includes determining a recommended configuration of the at least one mass insert specific to the user based on the operating data generated by the sensor, and transmitting information representative of the recommended mass insert.

Abstract: A golf club head includes a face, a crown, a sole, and defines a bore that is configured to receive and to selectively retain an elongate weight. The bore is aligned on a longitudinal axis that intersects the face. An elongate weight is insertable into the bore. The elongate weight is rotatable between a first angular position and a second angular position. The golf club head can further include a compliant stop positioned to contact a protrusion of the elongate weight, such that a torque threshold must be overcome to rotate the elongate weight.

Abstract: A golf ball of the present disclosure includes an inner ball and a cover layer that covers the outer surface of the inner ball and includes an outer surface with dimples. The inner ball includes an inner layer, which includes an outer surface with a recess, and an inner film that covers only the surface of the recess on the outer surface of the inner layer. The inner layer and the inner film are different colors from each other, and the cover layer is transparent or semi-transparent. Peeling of the film can be suppressed in the golf ball.

Abstract: Some disclosed golf club heads include body having at least one raised sole portion and a cantilevered ledge extending down around a perimeter of the club head below the level of the raised sole portion. Some disclosed golf club heads include one or more sole openings in the body and a sole insert that is mounted inside the body over the sole openings. The sole can include weight tracks as well, and a rear weight track can extend between a toe side sole opening and a heel side sole opening. A crown insert can also be included that is mounted over an upper opening in the body.

Abstract: A golf club may include a rear surface having first branding indicia, and a predefined region defined at least in part by a partially raised surface, a fully raised surface, a partially sunken surface, a fully sunken surface, a stepped surface, a textured surface, and a partially raised/partially sunken surface. The first branding indicia may be inside the predefined region. The golf club may also include a weighted tape with a second branding indicia placed on the rear surface of the golf club, preferably with a portion of the weighted tape being inside the predefined region.

Abstract: Golf club heads include at least one weight port situated to retain weights and positioned above an approximate club face geometric center with the club in a standard address position. One, two, or more weight ports can be located above the club face center in a club crown or other portion of a club body. Club head vertical center of gravity can be selected to compensate dynamic loft associated with locating the club head center of gravity well behind the club face. Three-dimensional adjustment of club head center of gravity is possible.

Abstract: Disclosed herein is an iron-type golf club head that comprises a strike plate, an enclosed internal cavity, and a rear aperture formed in a rear wall. The iron-type golf club head also comprises a stiffening plug, within the internal cavity and compressed between the back surface of the strike plate and the rear wall. The stiffening plug is insertable, through a rear aperture, into the internal cavity. The iron-type golf club head further comprises a rear fascia covering the rear aperture and at least a portion of the rear wall. A characteristic time (CT) at a geometric center of the strike face is at least 250 microseconds. A maximum thickness of the strike plate, at the strike face, is less than 3.5 millimeters, inclusive. The strike plate, excluding grooves, has a minimum thickness between 1.1 millimeters and 2.2 millimeters.

Abstract: A shim or badge is affixed to a golf cub body to produce a cap-back iron, giving the appearance of a hollow-body iron. In this way, the golf club can be manufactured with the performance benefits of a game improvement iron, while providing the appearance of a blade, player's iron, and/or a hollow-body iron. For example, by using a lightweight and rigid shim or badge to close a cavity opening in the golf club body, the golf club head can provide increased stiffness in the topline, while maintaining a low CG. Various shim or badge arrangements and materials can be used, and a filler material and/or damper can be included within the cavity to improve sound and feel, while minimizing loss in COR.

Abstract: Examples 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 having a sole portion with a set of weight ports. Each weight port may have a first section and a second section. Each weight portion from a first set of weight portions may be adhered to the first section of a corresponding weight port by epoxy. Each weight portion from a second set of weight portions may be fastened to the second section of a corresponding weight port. At least a portion of the weight portions of the first set of weight portions may be interchangeable. At least a portion of the weight portions of the second set of weight portions may interchangeable. Other examples may be described and claimed.

Abstract: A golf club head includes a body having a heel portion, a toe portion, a sole portion, and an outer surface, a strikeface having a geometric center, a head center of gravity, and a weight member including a weight pad. The weight member is configured to be repositionable by the user to a first position or a second position. The club head having the weight member in the first position shifts the head center of gravity toward the strikeface, and the club head having the weight member in the second position shifts the head center of gravity away from the strikeface.

Abstract: A damper is provided within the cavity of a golf club head and spans substantially the full length of the striking face from heel-to-toe of the golf club head. One or more cutouts and/or other relief is provided in the damper to reduce the surface area of the damper that contacts the rear surface of the striking face. By reducing the surface area that the damper contacts the rear surface of the striking face, the full length damper improves the sound and feel of the golf club head at impact and only minimally reduces performance of the golf club head. For example, the one or more cutouts and/or other relief maintains face flexibility, characteristic time (CT) and coefficient of restitution (COR) of the striking face.

Abstract: Golf club heads include at least one weight port situated to retain weights and positioned above an approximate club face geometric center with the club in a standard address position. One, two, or more weight ports can be located above the club face center in a club crown or other portion of a club body. Club head vertical center of gravity can be selected to compensate dynamic loft associated with locating the club head center of gravity well behind the club face. Three-dimensional adjustment of club head center of gravity is possible.

Abstract: A golf club head includes a striking face, virtual striking face plane generally parallel to the striking face, and scorelines. A hosel portion includes a hosel exterior surface and internal bore to receive a golf shaft. At least a portion of a recessed region is located in the hosel exterior surface where the hosel portion meets at least one of a sole portion, rear portion, and top portion. A first virtual vertical plane is perpendicular to the virtual striking face plane and passes through a face center. A second virtual vertical plane is perpendicular to the striking face plane and passes through a heel-most extent of the scorelines, and the recessed region is located heel-ward of the second virtual vertical plane. A center of gravity is spaced from the first virtual vertical plane in a heel-to-toe direction by a distance no greater than 6.0 mm.

Abstract: A golf club head has a body defining a ball striking face. The body further has a first leg extending away from the ball striking face and a second leg extending away from the ball striking face wherein a void is defined between the first leg and the second leg. The body further defines a cover that extends over the void. The golf club head may further have support structures and adjustable weight members.

Abstract: A golf club head includes a striking face, a sole portion, a top portion, a hosel, a rear surface, a loft no less than 40°, a virtual vertical plane, and a center of gravity. The striking face has a face center, a leading edge, and a virtual striking face plane. The hosel includes an internal bore configured to receive a golf shaft and includes a peripheral side wall and a shaft abutment surface configured to abut a tip end of the golf shaft. The rear surface is opposite the striking face and has an upper portion and a lower portion, the lower portion including a forward-extending recess. The insert covers the recess forming a hollow portion. The virtual vertical plane is perpendicular to the striking face plane and passes through the face center. The center of gravity is spaced a distance from the virtual vertical plane in the heel-to-toe direction.

Abstract: The present invention generally relates to sets of iron golf clubs, and more particularly, to sets of iron golf clubs that are comprised of significant tungsten weighting to maximize the MOI about an axis through the CG that is parallel to the shaft axis.

Abstract: A golf swing speed trainer for releasable attachment via a retainer to a shaft sleeve of a golf club shaft, including a head, a sleeve, and a weighting system. The trainer provides a highly customizable golf swing speed trainer that more accurately mimics the feel of a real club as a golfer works to increase their swing speed, without introducing any new bad habits. It allows a golfer to use their “gamer” shaft and grip during speed training, thereby increasing the user's familiarity with the trainer, which should result not only in increased swing speed but also improved consistency and accuracy.

Abstract: The present teaching relates to methods, systems, and programming for financial management. In an example, a method for performing financial management is presented. A first set of rules associated with a first access credential to an account and a second set of rules associated with a second access credential to the account are provided. The second set of rules is at least partially different from the first set of rules. A determination is made whether the access credential received from a first user matches the first access credential. A first request related to the first user with respect to a transaction is received, and information regarding the transaction is extracted. At least one action is determined with respect to the first request based on the information and the first set of rules.

Abstract: A golf club head having a flexible channel to improve the performance of the club head, and a channel tuning system to reduce undesirable club head characteristics introduced, or heightened, via the flexible channel. The channel tuning system includes a sole engaging channel tuning element in contact with the sole and the channel. The club head may include an aerodynamic configuration, as well as a body tuning system.

Abstract: A golf club head includes a face, a crown, a sole, and defines a bore that is configured to receive and to selectively retain an elongate weight. The bore is aligned on a longitudinal axis that intersects the face. An elongate weight is insertable into the bore. The elongate weight is rotatable between a first angular position and a second angular position. The golf club head can futher include a compliant stop positioned to contact a protrusion of the elongate weight, such that a torque threshold must be overcome to rotate the elongate weight.

Abstract: Disclosed herein is a golf club head comprising at least one crown opening and at least one crown insert attached to the body and covering the at least one crown opening. The golf club head further comprises at least one sole opening and at least one sole insert attached to the body and covering the at least one sole opening. The golf club head additionally includes at least one weight member configured to clamp first and second ledges at selected locations along a sliding weight track. The golf club head also comprise a coefficient of restitution (COR) feature located on the sole of the golf club head. The at least one crown insert is formed from a composite material having a density between 1 g/cc and 2 g/cc. The at least one sole insert is formed from a composite material having a density between 1 g/cc and 2 g/cc.

Abstract: Golf club heads include an iron type golf club head body having a rear surface (e.g., a perimeter weighting member) that defines a first weight receiving portion, and a weight member is mounted in the first weight receiving portion. The club head body further defines a second weight receiving portion independent of the first weight receiving portion, and a second weight member is removably engaged with the golf club head body at this second weight receiving portion. The weight members may be interchangeably mounted in the two weight receiving portions to thereby allow selective placement of the center of gravity characteristics of the club head body. Golf clubs including these club heads and methods of making such golf club and golf club heads also are described.

Abstract: Golf club heads include at least one weight port situated to retain weights and positioned above an approximate club face geometric center with the club in a standard address position. One, two, or more weight ports can be located above the club face center in a club crown or other portion of a club body. Club head vertical center of gravity can be selected to compensate dynamic loft associated with locating the club head center of gravity well behind the club face. Three-dimensional adjustment of club head center of gravity is possible.

Abstract: A golf club head has a body defining a ball striking face. The body further has a first leg extending away from the ball striking face and a second leg extending away from the ball striking face wherein a void is defined between the first leg and the second leg. The body further defines a cover that extends over the void. The golf club head may further have support structures and adjustable weight members.

Abstract: A golf club head comprises a body and at least one self-extracting pressed weight assembly. The body comprises a face plate positioned at a forward portion of the golf club head, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head and a skirt positioned around a periphery of the golf club head between the sole and the crown. The body defines an interior cavity. The weight assembly comprises at least three components and is configured for a press fit engagement with the golf club head. The assembly has a drive portion and a threaded portion.

Abstract: A golf club head comprising a body, wherein the body comprises a cavity, wherein the cavity comprises an open end and a terminal end, the terminal end opposite the open end, an elongate weighted insert configured to reside in the cavity, the weighted insert having a first end and a second end opposite the first end, wherein the cavity is configured to receive the weighted insert through the open end, a head locking feature located at the open end of the cavity, an insert locking member comprising an insert locking feature configured to engage the head locking feature and lock the weighted insert in the cavity.

Abstract: In an example embodiment, a golf club shaft is disclosed that comprises: a grip portion and a central shaft. The central shaft comprises a plurality of holes capable of being removably filled by one or more weighted plugs. In various example embodiments, the weighted plugs may be any weight desirable to the golfer, and may be positioned at any location on the shaft where there is a hole to customize the weighting of the golf club. In such embodiments, the weighted plugs may be made of a high density material and may weigh above about 14 grams.

Abstract: A golf club head includes a body having a heel portion, a toe portion, a sole portion, and an outer surface, a strikeface having a geometric center, a head center of gravity, and a weight member including a weight pad. The weight member is configured to be repositionable by the user to a first position or a second position. The club head having the weight member in the first position shifts the head center of gravity toward the strikeface, and the club head having the weight member in the second position shifts the head center of gravity away from the strikeface.

Abstract: The present invention generally relates to sets of iron golf clubs, and more particularly, to sets of iron golf clubs that are comprised of significant tungsten weighting to maximize the MOI about an axis through the CG that is parallel to the shaft axis.

Abstract: A golf club head comprising a body and a plurality of adjustable stiffening members is disclosed herein. The body comprises a face section, a sole section, and a crown section or a return section, and also defines a hollow interior. Each of the plurality of stiffening members is at least partially disposed within the hollow interior, and extends from the crown section or return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The stiffening members, each of which comprises a rod and a tube, may be adjusted to be in compression or tension, thereby preloading the body and affecting the stresses experienced by the golf club head upon impact with a golf ball.

Abstract: A golf club head includes a club body including a crown, a sole, a skirt disposed between and connecting the crown and the sole and a face portion connected to a front end of the club body. The face portion includes a geometric center defining the origin of a coordinate system when the golf club head is ideally positioned, the coordinate system including an x-axis being tangent to the face portion at the origin and parallel to a ground plane, a y-axis intersecting the origin being parallel to the ground plane and orthogonal to the x-axis, and a z-axis intersecting the origin being orthogonal to both the x-axis and the y-axis. The golf club head defines a center of gravity CG, the CG being a distance CGY from the origin as measured along the y-axis and a distance CGZ from the origin as measured along the z-axis.

Abstract: An endcap assembly for a bat may include a body across an open end of a bat barrel and a core received by the body. In one implementation, the body and the core may be retained relative to one another by a bayonet connector radially spaced from interior sides of the bat barrel by at least 0.3 inch. In one implementation, the body may include a cup having a mouth and receiving the core. In one implementation, the cup is to be radially spaced from interior sides of the bat barrel by at least 0.3 inch. In one implementation, the mouth is axially recessed. In one implementation, the cup and the core are joined by a bayonet connector having a U-shaped slot facing away from a mouth of the cup.

Abstract: A golf club head comprising a means for adjusting the location of the center of gravity and a slidable weight assembly are disclosed herein. The club head comprises two channels, each having at least one shoulder portion, a floor, and a rail extending upwards from the floor. The channels intersect at a junction, and a slidable weight comprising a top portion, a mechanical fastener, a clamping structure, and a keyed, anti-rotation structure is disposed within at least one of the channels. When the mechanical fastener is tightened, the top portion presses against the at least one shoulder portion and pulls the clamping structure upward so that the clamping structure grips the rail. The rails are spaced from one another at the junction, and the clamping structure allows the slidable weight to be moved into either of the channels without being indexed.

Abstract: A golf club head includes a metal portion adhered to a polymeric portion to define a closed internal volume. The polymeric portion defines a bore that is configured to receive and to selectively retain an elongate weight. The bore is aligned on a longitudinal axis that intersects the face. The polymeric portion includes a polymeric wall extending within the closed internal volume and transversely outward from a sidewall that defines the bore. The polymeric wall is adhered to the metal portion of the golf club head and is operative to both reinforce the sidewall and to transfer impact stresses from the sidewall to the metal portion of the golf club head.

Abstract: A golf club head includes a striking face, and a body coupled to the striking face. The body includes a crown, a sole disposed in generally opposed relation to the crown, and a back extending away from the striking face. The striking face and body collectively define a hollow interior chamber. A weight is disposed entirely within the interior chamber. An adjustment mechanism is coupled to the body and the weight to enable external adjustment of the weight along three axes.

Abstract: A golf club head includes a body having a heel portion, a toe portion, a sole portion, and an outer surface, a strikeface having a geometric center, a head center of gravity, and a weight member including a weight pad. The weight member is configured to be repositionable by the user to a first position or a second position. The club head having the weight member in the first position shifts the head center of gravity toward the strikeface, and the club head having the weight member in the second position shifts the head center of gravity away from the strikeface.

Abstract: Various embodiments of a golf club head comprising a body having a strike face, a heel portion, and a toe portion, a hosel having a body with a first end, extending from the heel portion of the body of the club head, and a second end, configured to receive a shaft, a cavity positioned adjacent to the body of the hosel, and an insert configured to be secured within the cavity are described herein.

Abstract: A golf club head has a body defining a ball striking face. The body further has a first leg extending away from the ball striking face and a second leg extending away from the ball striking face wherein a void is defined between the first leg and the second leg. The body further defines a cover that extends over the void. The golf club head may further have support structures and adjustable weight members.

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.