Abstract: An iron-type golf club head according to one or more aspects of the present disclosure may include a striking face, a rear surface opposite the striking face, and a perimeter weighting element at least partially surrounding the rear surface. The club head may further include a resilient component associated with the perimeter-weighting element, the resilient component including a recess, and a preload spacer associated with the rear surface, a portion of the preload spacer engaging the recess. At least a portion of the resilient component is compressed between the preload spacer and the perimeter weighting element.

Abstract: The present invention is directed to a set of golf clubs comprising long irons, mid-irons and short irons. The irons have a progressive horizontal CG location. Preferably, the long and MID irons have a CG located between about 1 mm and 3 mm towards the hosel and the short iron CG is located between about 3 mm and 4 mm toward the hosel. Further the irons can have a substantially constant blade width with progressively increasing toe height and progressively decreasing scoreline width.

Abstract: A golf club with improved weight distribution is disclosed herein. More specifically, the present invention discloses a golf club with a lightweight shaft allowing the golfer to achieve higher swing speed, while shifting the weight savings of the shaft to a grip portion of the club; counterbalancing some of the undesirable performance characteristics associated with a lightweight shaft.

Abstract: The present invention is a unique advanced hybrid iron type golf club. The club is characterized by a long heel blade length section, while having a small club moment arm, Zcg, and volume. The golf club incorporates the discovery of unique relationships among key club head engineering variables.

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 and a plurality of weight portions. The body portion may include a front portion, a rear portion, a toe portion, a heel portion, a top portion, a bottom portion having an outer surface associated with an outer surface curve, and a weight port region located at or proximate to the bottom portion. Other examples and embodiments may be described and claimed.

Abstract: A golf club simulation apparatus includes an elongate shaft housing having opposed lower and upper ends and defining an interior area. A head housing is coupled to the lower end of the shaft housing. A battery is situated in the shaft housing. An input member configured to receive club selection data is coupled to an outer surface of the shaft housing and electrically connected to the battery. A weight indexing assembly is situated in the head housing that includes a tumbler rotatably coupled to the lower portion of the shaft housing and that includes a weight carriage situated in the club head housing. The tumbler has an outer surface defining an indexed slot network, the weight carriage being in communication with the indexed slot network and configured for movement along the indexed slot network in a gravity assisted movement.

Abstract: A golf club includes a shaft; a head mounted to the tip end of the shaft; a grip mounted to the butt end of the shaft; a first vibration damping member arranged on the head side of the shaft; and a second vibration damping member arranged on the grip side of the shaft. The first range of the shaft in which the first vibration damping member is arranged includes a position of the shaft corresponding to the top end of the hosel of the head and has a length of 25 to 250 mm in the longitudinal direction of the shaft. The second range of the shaft in which the second vibration damping member is arranged includes a position of the shaft corresponding to the tip end of the grip and has a length of 150 to 250 mm in the longitudinal direction of the shaft.

Abstract: A golf club head having a high COR at its face center and a center of gravity located at a point close to the face and the sole is disclosed herein. In particular, the golf club head comprises a hollow body including a weight lip and face component, and the weight lip extends from the sole inside the body towards the face component without making contact with the face component. The golf club head preferably is a two-piece iron-type golf club head, and each piece is heat treated differently before being welded together to further optimize center of gravity location, ball speed, and COR distribution across the face.

Abstract: A set of golf clubs including golf club heads having improved mass distribution characteristics. The set includes golf club heads having a club head main body including a hitting face and a face support, a muscle back shell and a weight insert.

Abstract: In general, aspects of this invention relate to golf clubs or golf club components incorporating adjustment members that permit ready adjustability of golf club parameters and/or interchangeability of golf club components to change a golf club configuration, and methods for providing golf clubs. According to aspects of this invention, an adjustment member may be utilized to allow the adjustability of a golf club parameter to change a golf club configuration, while ensuring there is substantially no change to other club or club head variables, parameters or characteristics. According to another aspect of this invention, an adjustment member may be utilized to allow the adjustability of two golf club parameters independently to change a golf club configuration, while ensuring there is substantially no change to other club or club head variables, parameters or characteristics.

Abstract: In general, aspects of this invention relate to golf clubs or golf club components incorporating adjustment members that permit ready adjustability of golf club parameters and/or interchangeability of golf club components to change a golf club configuration, and methods for providing golf clubs. According to aspects of this invention, an adjustment member may be utilized to allow the adjustability of a golf club parameter to change a golf club configuration, while ensuring there is substantially no change to other club or club head variables, parameters or characteristics. According to another aspect of this invention, an adjustment member may be utilized to allow the adjustability of two golf club parameters independently to change a golf club configuration, while ensuring there is substantially no change to other club or club head variables, parameters or characteristics.

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: In general, aspects of this invention relate to golf clubs or golf club components incorporating adjustment members that permit ready adjustability of golf club parameters and/or interchangeability of golf club components to change a golf club configuration, and methods for providing golf clubs. According to aspects of this invention, an adjustment member may be utilized to allow the adjustability of a golf club parameter to change a golf club configuration, while ensuring there is substantially no change to other club or club head variables, parameters or characteristics. According to another aspect of this invention, an adjustment member may be utilized to allow the adjustability of two golf club parameters independently to change a golf club configuration, while ensuring there is substantially no change to other club or club head variables, parameters or characteristics.

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 and a plurality of weight portions. The body portion may include a front portion, a rear portion, a toe portion, a heel portion, a top portion, a bottom portion having an outer surface associated with an outer surface curve, and a weight port region located at or proximate to the bottom portion. Other examples and embodiments may be described and claimed.

Abstract: A golf club set 2 includes a plurality of golf clubs 41 to 45 having different club lengths. Each of the golf clubs 41 to 45 includes a head 6, a shaft 8, and a grip 10. The club length of each of the clubs 41 to 45 is 38.5 inches or greater and 42 inches or less. Face progression of the head 6 is substantially constant. If a moment of inertia of the head about an axis line of the shaft is defined as MI, an MI difference ratio between the adjacent clubs is equal to or less than 3%. Preferably, a loft angle is equal to or greater than 17 degrees in each of all the clubs 41 to 45.

Abstract: A set of golf clubs having a degree of adjustability to provide improved distance gapping across the transition from a curved face golf club head to a flat face golf club head.

Abstract: Embodiments of golf clubs with hosel inserts are presented herein. Other examples and related methods are also disclosed herein.

Abstract: A golf club includes a tubular shaft, a golf club head affixed to a first end of the tubular shaft, and a grip disposed about the tubular shaft and abutting a second end of the tubular shaft. An adjustable counterbalance extends within a hollow recess of the shaft and is selectively secured to the second end. The adjustable counterbalance includes an elongate member and an annular weight disposed about the elongate member. The annular weight is movable along the elongate member and configured to be selectively affixed to the elongate member.

Abstract: Embodiments of a golf club set with progressive tapered face thickness coordinated with club loft are generally described herein. Other embodiments may be described and claimed.

Abstract: A golf club with improved weight distribution is disclosed herein. More specifically, the present invention discloses a golf club with a lightweight shaft allowing the golfer to achieve higher swing speed, while shifting the weight savings of the shaft to a grip portion of the club; counterbalancing some of the undesirable performance characteristics associated with a lightweight shaft.

Abstract: Clubs and clubheads are disclosed that allow the swing-weight thereof to be easily changed by attaching or exchanging a “weight-assembly” having a first portion configured as a “weight insert,” a second portion configured as an overcap, and a third portion configured as a drive screw. The drive screw extends through the overcap and into the weight-insert to assemble the weight-assembly, which fits into a weight-receiving cavity on the clubhead. These three components are made of respective materials (having respective densities) that are selected so that each component contributes a desired fraction of the total mass of the weight-assembly to the clubhead to achieve a desired change in swing-weight. By mix-match selection of the components, a wide range of masses of the weight assemblies can be made, with small increments therebetween.

Abstract: The present invention is direct to a set of golf clubs comprising long irons, mid-irons and short irons. The long irons have a first center of gravity positioned horizontally from the face center by a first distance. The mid-irons have a second center of gravity positioned horizontally from the face center by a second distance. The short irons have a third center of gravity positioned horizontally from the face center by a third distance. The first distance and the second distance are preferably similar and the third distance is at least about 30 percent greater than the first and second distances. Preferably, the first and second distances are between about 1 mm and 3 mm and the third distance is between about 3 mm and 4 mm.

Abstract: A golf club set 2 includes a plurality of golf clubs 41 to 45 having different club lengths. Each of the golf clubs 41 to 45 includes a head 6, a shaft 8, and a grip 10. The club length of each of the clubs 41 to 45 is 38.5 inches or greater and 42 inches or less. Face progression of the head 6 is substantially constant. If a moment of inertia of the head about an axis line of the shaft is defined as MI, an MI difference ratio between the adjacent clubs is equal to or less than 3%. Preferably, a loft angle is equal to or greater than 17 degrees in each of all the clubs 41 to 45.

Abstract: The present invention discloses an iron-type golf club head formed from multiple materials that increase torsional stiffness of the club and aid in sound performance. In particular, the iron-type golf club head includes a rear flange and a composite component bonded to an external surface of the rear flange. The composite component may cover an entire surface of the rear flange, and may also extend upwards to make contact with a top portion of the club head and thus close off a rear cavity of the club head. The iron-type golf club head may further comprise a face support structure extending from the rear flange, to which the face plate may be affixed via welding or brazing.

Abstract: A set of iron-type golf clubs and a set of iron-type golf club heads are disclosed. The loft angles of the heads are gradually increased from the lowest numbered golf club to the highest numbered golf club in the set. Given that a coefficient of inertia of the head is the ratio Ms/M of a moment of inertia Ms (gram sq·cm) of the head around a horizontal axis extending in a toe-heel direction of the head passing through the center of gravity of the head, to the mass M (g) of the head, the coefficient of inertia is gradually increased with the increase in the loft angle, and the difference of the coefficient of inertia of the head of the highest numbered club from that of the lowest numbered club is 0.3 or more.

Abstract: In accordance with the present invention, a set of golf club heads is disclosed. The set includes golf club heads with peripheral weights. The dimensions and configuration of at least the peripheral weights are changed from club-to-club along the set so that the center of gravity rises from the long irons to the short irons. By raising the center of gravity from the long irons to the short irons, a golfer will see a peak trajectory height along a line for each club head that is substantially more consistent along that line throughout the set than prior art clubs provide.

Abstract: Embodiments of golf club heads with sole cavity ports are described herein. Other examples and related methods are also disclosed herein.

Abstract: Golf club heads which include an iron type golf club head body include a ball striking face, a rear surface opposite the ball striking face (e.g., including a perimeter weighting member) and a multi-legged bridge member which indicates the location of the center of gravity of the golf club head body. Golf clubs including these club heads and methods of making such golf club and golf club heads also are provided.

Abstract: The present invention discloses a forged iron-type golf club head having a cavity, tungsten weighting, and a back cap configured to simulate an undercut, conceal the weighting, and adjust the golf club head's overall weight and center of gravity location without interfering with or affecting the sole configuration. The golf club head of the present invention also includes a J-shaped face thickness pattern to further improve performance.

Abstract: The present invention is direct to a set of golf clubs comprising long irons, mid-irons and short irons. The long irons have a first center of gravity positioned horizontally from the face center by a first distance. The mid-irons have a second center of gravity positioned horizontally from the face center by a second distance. The short irons have a third center of gravity positioned horizontally from the face center by a third distance. The first distance and the second distance are preferably similar and the third distance is at least about 30 percent greater than the first and second distances. Preferably, the first and second distances are between about 1 mm and 3 mm and the third distance is between about 3 mm and 4 mm.

Abstract: Embodiments of golf clubs head sets with varying characteristics are disclosed herein. Other examples and related methods are also generally described herein.

Abstract: A set of golf clubs including golf club heads having improved mass distribution characteristics. The set includes golf club heads having a club head main body including a hitting face and a face support, a muscle back shell and a weight insert.

Abstract: An iron-type golf club head having a sole channel extending from an exterior of a sole portion toward a face. The sole channel has an axis that intersects the face at an axis-to-face intersection point for at least one position along a channel length, and preferably at least 25% of the channel length. The elevation of the intersection point may below the Ycg distance and the axis defines an angle from the vertical that may be related to the loft. The iron-type golf club head may be incorporated in a set containing club heads with varying degrees of unsupported face area.

Abstract: A ball striking device, such as a golf club, includes a head with a face having a ball-striking surface configured for striking a ball, a body connected to the face, and at least one channel in the ball-striking surface of the face. The region of highest COR response of the face is directionally enlarged toward the channel. Depending on the size, shape, and location of the channel, the face can be altered to provide greater COR response and increased energy transfer for impacts at specific locations on the face.

Abstract: A set of progressive golf clubs with an elliptical pad construction on the back of the striking face that corresponds to a location, shape and size of a predetermined golfer's impact pattern for the lofts and lengths of each of the golf clubs in the set. The elliptical pad progressively changes in location, shape and size from the long irons, to the mid irons, to the short irons, and to the wedges, based on the location, shape and size of a predetermined golfer's impact pattern for each of the long irons, mid irons, short irons, and wedges.

Abstract: The invention provides methods and collections of golf clubs that offer a variety of golf club sets from a limited number of golf clubs. The golf clubs are designed such that a golfer can choose one of multiple different, distinct subsets of the collection based on matching the properties of the clubs of the subset to that golfer's needs. In this way, the club maker can provide several different subsets by manufacturing fewer clubs than would be otherwise required. For example, a manufacturer can make one collection of 16 clubs. From that collection of 16 clubs , one golfer could choose a first set of 8 irons, a second golfer could choose a second set of 8 irons, and a third golfer could choose a third set of 8 irons.

Abstract: An iron type golf club set includes a set of “n” iron type golf clubs, “n” being an integer of 3 or more, wherein the golf clubs each have a different face loft angle. If the head of each golf club is inclined at a specified lie angle with respect to a horizontal plane and the face is disposed at a specified loft angle with respect to a vertical plane, the head moment of inertia “A” per unit mass represented by a ratio MI/ml of the moment of inertia “MI” of the head alone around a horizontal axis passing through the head center of gravity and being parallel to the face with respect to the head mass “m” increases in the order from the golf club with the smallest loft angle to the golf club with the largest loft angle.

Abstract: A set of progressive golf clubs with an elliptical pad construction on the back of the striking face that corresponds to a location, shape and size of a predetermined golfer's impact pattern for the lofts and lengths of each of the golf clubs in the set. The elliptical pad progressively changes in location, shape and size from the long irons, to the mid irons, to the short irons, and to the wedges, based on the location, shape and size of a predetermined golfer's impact pattern for each of the long irons, mid irons, short irons, and wedges.

Abstract: A set of golf clubs including golf club heads having improved mass distribution characteristics. The set includes golf club heads having a club head main body including a hitting face and a face support, a muscle back shell and a weight insert.

Abstract: Embodiments of golf clubs head sets with varying characteristics are disclosed herein. Other examples and related methods are also generally described herein.

Abstract: Embodiments of golf club head sets with varying characteristics are disclosed herein. Other examples and related methods are also generally described herein.

Abstract: A cavity back golf club head having an interchangeable bridge member is disclosed. The interchangeable bridge member extends across a rear cavity connecting a heel and a toe of the golf club head to control the trajectory of a golf ball.

Abstract: Some embodiments include a club head for adjusting vertical spin of a golf ball. Other embodiments of related systems and methods are also disclosed.

Abstract: Embodiments of golf clubs head sets with varying characteristics are disclosed herein. Other examples and related methods are also generally described herein.

Abstract: Embodiments of golf clubs head sets with varying characteristics are disclosed herein. Other examples and related methods are also generally described herein.

Abstract: In accordance with the present invention, a set of golf club heads is disclosed. The set includes golf club heads with peripheral weights. The dimensions and configuration of at least the peripheral weights are changed from club-to-club along the set so that the center of gravity rises from the long irons to the short irons. By raising the center of gravity from the long irons to the short irons, a golfer will see a peak trajectory height along a line for each club head that is substantially more consistent along that line throughout the set than prior art clubs provide.

Abstract: Embodiments of golf clubs head sets with varying characteristics are disclosed herein. Other examples and related methods are also generally described herein.

Abstract: A plurality of golf club heads wherein the difference in spin is minimized is disclosed herein. More specifically, the present invention discloses a plurality of fairway wood type golf club head with a volume of between about 110 cubic centimeters (cc) and about 250 cc, wherein the change in backspin between any two clubs within the plurality of metal wood type golf club heads is less than about 600 revolutions per minute (rpm). A plurality of golf clubs in accordance with the present invention may generally have all of its clubs maintain a center of gravity (CG) location that is less than about 8.0 mm away from a neutral axis of the golf club head regardless of the difference in loft of the specific golf club head within the plurality of golf club heads.

Abstract: A set of golf clubs in accordance with at least some examples of this disclosure may include one or more of the golf clubs which include an iron-type golf club head with a 3-piece configuration which may include a ball striking face; a golf club head body including a rear surface opposite the ball striking face, which may include a perimeter weighting member extending in a direction rearward from the ball striking face and along at least a portion of a circumferential area of the golf club head body; and an insert engaged with the golf club head body and positioned behind the ball striking face of the golf club head. Further, one or more of the golf clubs in the set may include iron-type golf club heads with a 2-piece configuration which may include a golf club head body and an insert engaged with the golf club head body. Additionally, one or more of the golf clubs in the set may include iron-type golf club heads with a 1-piece configuration.

Abstract: A set of correlated golf clubs may generally include a plurality of golf clubs. Each golf club in the plurality of golf clubs may have a distinct mass distribution that creates a distinctive visual appearance to a golfer. Each successively lower lofted golf club has a redistribution of mass towards a sole, a topline, a toe, and a heel to optimize ball flight characteristics for each individual successively lower lofted golf club.