Abstract: A method of making a golf club head includes the steps of providing a face of a club head, the face having a ball striking surface and a perimeter defining a border of the ball striking surface, providing a golf club head body that includes a crown, a sole, a toe, and a heel, attaching the face to a front portion of the club head body, and milling the ball striking surface and an edge portion of the face to cut a machined surface into the ball striking surface and the edge portion. The milled surface includes a plurality of first grooves located along the ball striking surface and defining a first depth, and a plurality of second grooves located adjacent the perimeter along the edge portion and defining a second depth. The first depth is different than the second depth.

Abstract: A golf club head with a channel sized to receive one or more adjustable weights and an external support structure that bridges, and thereby supports, the channel without unduly interfering with weight adjustment is disclosed herein. The support structure, which includes one or more stiffening members on the exterior of the golf club head, improves the sound quality of the golf club head, and is particularly useful to attenuate the lower frequency mode shapes associated with slider channel geometry in golf club heads.

Abstract: An aerodynamic golf club head having body attributes that impart beneficial aerodynamic properties.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head includes a top portion having a heel-side portion, a toe-side portion, and a raised central top portion with an opening. A shoulder portion extends inward toward the opening and a crown portion is attached to the shoulder portion and covers the opening. The bottom portion includes a central protrusion between a heel-side dividing plane and a toe-side dividing plane, a toe-side protrusion between the toe-side dividing plane and a toe-side bounding plane, and a heel-side protrusion between the heel-side dividing plane and a heel-side bounding plane. A distance between the toe-side dividing plane and the heel-side dividing plane is about equal to a diameter of a golf ball. Other examples and embodiments may be described and claimed.

Abstract: A hollow-type golf club head, when oriented in a reference position, includes: a striking wall; a sole portion; a top portion having an exterior surface and an interior surface; a hosel extending from the top portion and defining a hosel axis; and a plurality of external ribs located on the exterior surface of the top portion. The plurality of external ribs are each generally elongate in a front-to-rear direction, and at least one internal rib is located on the interior surface of the top portion and is generally elongate in the front-to-rear direction. The at least one internal rib is spaced from the plurality of external ribs by a distance D1 no less than 2 mm as considered in top view of the club head.

Abstract: A golf club head includes a body and an insert. The body defines a top side, a toe side, and a heel side, and includes a sole extending between the toe side and the heel side at a location on the body opposite to the top side. The body defines an internal volume defined between a ball-striking face and an internal wall. The insert is arranged within the internal volume and is formed layer by layer via an additive manufacturing process. The insert includes a lattice structure arranged between a rear surface of the ball-striking face and the internal wall. The lattice structure is in engagement with the rear surface and formed integrally with the ball-striking face and the internal wall.

Abstract: A golf club head including a face defining a loft plane, a rear, and a crown, the crown having a turbulator comprising a plurality of ridges. Each ridge includes a front surface having a first end nearest the face, a second end nearest the ridge apex, and a rear surface nearest the rear portion of the club head. The turbulator is positioned in a forward two-fifths portion of the crown in a front end to a rear end direction. The ridge apex of each ridge is positioned within the first 50% of the ridge length.

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 a tungsten weight member coupled to the toe and a tungsten heel weight member coupled in a hosel cavity.

Abstract: Ball striking devices, such as golf clubs, have a head that includes a face having a striking surface configured for striking a ball, and a body connected to the face and extending rearwardly from the face, with the body having a crown, a sole, a heel side, and a toe side, such that the face and the body combine to define an enclosed internal cavity. A damping member is connected to the body and includes a post extending inwardly into the cavity from an inner surface of the body, a first arm extending from the post toward the heel side of the body, and a second arm extending from the post toward the toe side of the body. The damping member is configured to produce a mass damping effect upon an impact on the face.

Abstract: A head includes a face, a sole and a crown. The crown includes a first region and a second region. The first region includes a peak portion of the crown. The first region includes a first thick portion and a narrow groove. The second region includes a second thick portion. The narrow groove extends from a toe side to a heel side so as to divide the first region. The second region extends from the toe side of the first region, through a back side of the first region, to the heel side of the first region. The second thick portion has a wall thickness smaller than that of the first thick portion.

Abstract: A golf club head for a driver is disclosed. The golf club head includes a face portion and a rearward end portion. An upward facing surface in a crown portion of the golf club head curves up towards the rearward end portion to keep airflow from separating from the crown portion. A downward facing surface on a sole portion of the golf club includes an airfoil that helps keep air stuck to the sole portion of the golf club head. The airfoil portion extends across a substantial entirety of the width of the golf club head.

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. A pair of ribs are positioned within the channel. The ribs may diverge away from one another and may have a first rib located in a toe portion of the channel and a second rib located in the heel portion of the channel.

Abstract: An aerodynamic golf club head having crown attributes that impart beneficial aerodynamic properties.

Abstract: Some embodiments include a golf club head having a hollow body comprising a front portion having a strikeface, a heel region, a toe region opposite the heel region, a sole, a back, a crown portion, and a chamfer extending between the front portion and the crown portion, the chamfer having an inner surface and an outer surface, wherein the chamfer defines a hinge point of the crown portion.

Abstract: A golf club head includes a crown surface having an apex at a highest point and extending between the face, the rear, the heel and the toe of the golf club head. The golf club head also includes a plurality of crown turbulators projecting from the surface of the crown and located at least partially between the leading edge and the apex, wherein the height of each turbulator decreases from the leading edge toward the rear portion.

Abstract: Golf club heads are provided with a body, a sole, a face having a variable face thickness, a crown having a crown opening with a recessed ledge, a crown insert formed from a composite material, and a hosel. A recessed port is located on the body to receive a fastening member for adjustably attaching a head-shaft connection assembly with a shaft sleeve. A forwardmost portion of the recessed ledge extends forward of a rearward-most portion of the shaft sleeve. The golf club heads have a first crown height at a face-to-crown transition region, a second crown height at a crown-to-skirt transition region, and a third crown height located rearward of the first crown height and forward of the second crown height. The third crown height is greater than both the first and second crown heights.

Abstract: A metalwood golf club head, including a striking face, wherein the striking face comprises a geometric face center, a posterior body portion comprising a crown and a sole, wherein the crown is connected to an upper portion of the striking face and the sole is connected to a lower portion of the striking face, a vertical plane passing through the geometric face center, a neutral axis extending through the geometric face center, the neutral axis perpendicular to an outer surface of the striking face at the geometric face center, wherein a vertical plane through said geometric face center intersects a first crown peak at a distance at least 30 mm from said geometric face center along the z-direction.

Abstract: The invention provides golf clubs and methods of making golf clubs with machined perimeter faces. The club faces provide an accurate ball striking surface and improved aerodynamics. In particular, a surface is milled into the club face that expands over an edge of a ball striking surface and onto a portion of the face adjacent to at least one of a crown, a sole, a toe, or a heel. During a swing, the milled surface causes the boundary layer of airflow to separate at a point closer to the rear of the club head, resulting in reduced drag.

Abstract: Described herein are embodiments of golf club heads with flexible soles. In one embodiment, the golf club head includes a body having a crown opposite a sole, a toe opposite a heel, a back end opposite a front end, and a hosel. The golf club head also includes a sole curvature profile comprising a radius of curvature that varies as the sole curvature profile extends between the front end and the back end. The radius of curvature is configured to increase the flexure of the entire golf club head, thereby increasing the internal energy of the golf club head.

Abstract: A golf club incorporating a trip step feature located on the crown section. A portion of the trip step is located between a crown apex and the back of the club head and may be continuous or discontinuous. The trip step enables a reduction in aerodynamic drag force.

Abstract: Aspects of this disclosure relate to a golf club head which includes a wood type golf club head body including a ball striking face portion at a front side thereof, a rear side opposite the front side, a crown portion, and a sole portion. Further, the sole or crown or rear portion of the golf club head body may be configured so that the golf club head body includes a bump portion which protrudes from the sole or crown or rear portion and an indented portion which recedes into the sole or crown or rear portion and creates a recess in the sole or crown or rear portion of the golf club head body. Further, the bump portion and the indented portion may be configured so that a center of gravity of the club head body is nearer to one of the heel edge of the club head body and the toe edge of the club head body.

Abstract: A golf club head for a driver is disclosed. The golf club head includes a face portion and a rearward end portion. An upward facing surface in a crown portion of the golf club head curves up towards the rearward end portion to keep airflow from separating from the crown portion. A downward facing surface on a sole portion of the golf club includes an airfoil that helps keep air stuck to the sole portion of the golf club head. The airfoil portion extends from a toe portion to a heel portion of the golf club head to help maintain smooth airflow across the entirety of the golf club head during a swing.

Abstract: A golf club head includes a crown surface having an apex at a highest point and extending between the face, the rear, the heel and the toe of the golf club head. The golf club head also includes a plurality of crown turbulators projecting from the surface of the crown and located between the face and the apex, wherein each adjacent pair of crown turbulators is separate and spaced apart to define a space between the adjacent pair of crown turbulators.

Abstract: A golf club head includes a golf club body including a sole, a crown connected to the sole by a skirt, and a hosel connected to at least one other feature of the golf club body; a face connected to a front end of the golf club body; and features allowing striking of a golf ball above the ideal strike location.

Abstract: A golf club includes a club handle, a club head including a series of spaced apart club head segments having segment forward faces collectively forming a club head forward face for striking a ball and being separated by substantially parallel club head slots oriented relative to the club handle to be substantially parallel to the direction of club swing so that air passes directly into and through the club head slots as a user swings the club, permitting the user to swing the club with greater speed and therefore to strike a ball with greater force, and a spine structure interconnecting the club head segments. The spine structure preferably extends transversely relative to the club head segment. The cross-sectional shape of the spine structure preferably is generally elongate in the direction of a club swing.

Abstract: A golf club head including a face having a flat ball-striking surface and a body that forms a flexure. The golf club head has a feature formed in a sole of the golf club head that provides the flexure.

Abstract: A golf club head includes a striking face having a face center, a bottom portion, a top portion including an exterior surface, a hosel including an imaginary vertical hosel plane, a forwardmost point, and a rearwardmost point. In an imaginary vertical plane perpendicular to the hosel plane and passing through the face center, the exterior surface includes a path having a first point and a second point rearward of the first point. An imaginary infinite straight line passes through the first point and the second point, but does not penetrate the exterior surface. A segment of the imaginary straight line is delimited by the first point and the second point. A maximum distance between the segment and the exterior surface of the top portion is no greater than 0.70 mm and a distance between the first point and the second point is no less than 22 mm.

Abstract: A hollow golf club head comprises a face part having a face for striking a ball, and a main body extending rearward from the face part. The main body is provided with a low-rigidity zone which comprises through holes and connecting portions arranged alternately along a peripheral edge of the face. The through holes penetrate the main body from the outside to the inside of the main body. The connecting portions extend in the front-back direction of the head, and include an oblique connecting portion comprising an oblique part inclined with respect to the front-back direction.

Abstract: This invention provides a golf club with a club-head configured so as to decrease air resistance of the head by avoiding the air flows from retouching on the head surface. The club-head is provided with a ridge structure which contains a first ridge and a second ridge arranged at intervals in a downward direction of the air flows on at least the sole part of the head, wherein each of the ridges has the height of 0.2 mm to 3 mm and the breadth of 1 mm to 5 mm, the ridge structure being configured by plural ridges so as to displace the inclined angle of the ridges in a clockwise direction, resulting in generation of air vortex or whirls between the head surface and the surrounding air flows.

Abstract: The golf club head according to the present invention includes a face portion, a crown portion and a sole portion, the crown portion including a first region extending in a toe-heel direction along at least part of the face portion, a second region arranged further on a back side than the first region, and a step region extending in the toe-heel direction between the first region and the second region and extending downward toward the second region from the first region side, and the second region including a first part arranged in a vicinity of the middle in the toe-heel direction and contacting the step region, and a second part having a thinner wall thickness than the first part and arranged to surround a periphery of the first part on the back side, the toe side and the heel side of the first part.

Abstract: Described herein are embodiments of golf club heads having a balance of the following parameters: a low and back club head center of gravity position, a high moment of inertia, and low aerodynamic drag. Methods of manufacturing the embodiments of golf club heads having a balance of club head center of gravity position, moment of inertia, and aerodynamic drag are also described herein.

Abstract: Embodiments of golf club heads with turbulators and methods to manufacture golf club heads with turbulators are generally described herein. In many embodiments, the turbulators are located on the crown and include a plurality of ridges disposed on the crown. Each ridge includes a base, a top surface, a ridge apex, a front surface, and a rear surface. The turbulators are positioned on the forward most portion of the crown. Other embodiments may be described and claimed.

Abstract: A golf club head includes a body having a crown defining a perimeter of the club head, a sole opposite the crown, a toe end opposite a heel end, a back end, and a hosel, the body further including a club face, an exterior side, an interior side, a head center of gravity, and a weight member positioned on one of the exterior side or the interior side of the crown.

Abstract: A golf club head includes a crown surface having an apex at a highest point and extending between the face, the rear, the heel and the toe of the golf club head. The golf club head also includes a plurality of crown turbulators projecting from the surface of the crown and located between the face and the apex, wherein each adjacent pair of crown turbulators is separate and spaced apart to define a space between the adjacent pair of crown turbulators.

Abstract: A golf club head 1 having a hollow (i) therein comprises a face portion 2 having a face 2a for striking a ball, a crown portion 3 forming the head top surface, and a sole portion 4 forming a bottom of the head. One of or each of the crown portion 3 and the sole portion 4 is provided with a plurality of grooves bent in the same direction.

Abstract: The golf club set according to the present invention is a golf club set constituted by a plurality of numbered golf clubs with different loft angles. In each of the golf, a crown portion has a main body portion that connects to the sole portion and a raised portion that rises to form a step from the main body portion and extends in a toe-heel direction along a boundary with the face portion. In at least one pair of a lower numbered golf club and a higher numbered golf club, among the plurality of golf clubs included in the golf club set, a length of the step in a face-back direction along a perpendicular plane that passes through a sweet spot and a center of gravity of the golf club head is longer in the lower numbered golf club than in the higher numbered golf club.

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 localized stiffened region that is located on the striking face of the club head such that the localized stiffened region alters the launch conditions of golf balls struck by the club head in a way that wholly or partially compensates for, overcomes, or prevents the occurrence of a rightward deviation. In particular, the localized stiffened region is located on the striking face such that a golf ball struck under typical conditions will not impart a right-tending sidespin to the golf ball.

Abstract: A golf club head includes: a crown portion; a sole portion; a face portion; and a hosel portion. The crown portion includes a concave portion that starts from the face portion, passes through a boundary portion of the hosel portion and the crown portion, and extends toward a back side. The concave portion includes a range from the face portion toward the back side where a width of the concave portion is larger than a depth of the concave portion. The range passes on a toe side of the hosel.

Abstract: Embodiments of golf club heads with aerodynamic shape and related methods are described herein. Various embodiments of the golf club heads with aerodynamic shape and related methods include a golf club head comprising a body. In many embodiments, the body comprises a heel region, a toe region opposite the heel region, a faceplate, a crown, and a sole opposite the crown. In many embodiments, the faceplate comprises a faceplate height measured perpendicularly to a ground plane when the golf club head is at an address position and a faceplate width measured from the heel region to the toe region and in a direction perpendicular to the faceplate height. In some embodiments, the crown comprises an inflection point located at an inflection distance from the faceplate, the inflection distance measured from a center of the faceplate and perpendicularly to the faceplate height. Other examples and related methods are also disclosed 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 crown that extends over the void.

Abstract: The invention provides golf club heads having aerodynamic features that disrupt air flow over the face when the club is swung. The features are milled into the face of the club head, including curved faces found in wood-type club heads. During a swing, the features cause the boundary layer to separate at a point closer to the rear of the club head during a swing, resulting in reduced drag. The invention also provides golf club heads with faces having a central region of symmetrical surface roughness. The symmetrical roughness in the central region of the face of wood-type club heads allows for shots with less spin and greater distance.

Abstract: A golf club head includes a crown portion and a face portion. The crown portion includes a first protruding portion arranged on the side of the face portion, and a second protruding portion arranged on the back side to be adjacent to the first protruding portion. The width of the first protruding portion in the face-back direction on a plane passing through the face center of the face portion and extending in the vertical direction is smaller than the width of the second protruding portion in the face-back direction. The protruding height of the second protruding portion is larger than the protruding height of the first protruding portion.

Abstract: A hollow golf club head includes a face defining a front of the golf club head, a sole, and a crown. The crown includes a front depression formed in the outside surface of the crown and a rear depression formed in the inside surface of the crown. The front depression is closer to the face than is the rear depression in a front-rear direction from the front to a rear of the golf club head.

Abstract: The golf club head includes a crown portion, a face portion and a sole portion. The crown portion is formed to have an average thickness, in a range of a predetermined length toward a back side from a boundary between the crown portion and the face portion, that is larger in a vicinity of a center in a toe-heel direction than at a toe side and a heel side.

Abstract: A golf club head comprising a crown defining an upper surface of the golf club head; a sole defining a lower surface of the golf club head, wherein said sole is substantially convex in shape; a skirt extending between the crown and the sole; a face defining a ball-striking surface and intersecting said sole at a leading edge; an interior cavity defined by said crown, sole, skirt, and face; a coordinate system with an x-axis located horizontal to said face, a y-axis located vertical to said face, and a z-axis located through said face, said z-axis and said x-axis parallel to a ground plane when said golf club head is held at address on said ground plane; a depression formed in said sole, wherein said depression is substantially concave and protrudes inwards towards said interior cavity of said golf club head.

Abstract: A golf club head comprises a body having a face, a crown and a sole together defining an interior cavity. The body having a channel located on the sole and extending generally from a heel end of the body to a toe end of the body. A weight member movably positioned within the channel such that a position of the weight member within the channel is able to be adjusted, thereby adjusting a location of a center of gravity of the body. Additionally, adjustment of the weight member provides a maximum x-axis adjustment range of the position of the center of gravity (Max ?CGx) that is greater than 2 mm and a maximum z-axis adjustment range of the center of gravity (Max ?CGz) that is less than 2 mm.

Abstract: A ball striking device, such as a golf club, includes a head with a face having a striking surface configured for striking a ball and being defined by a plurality of peripheral edges, a body connected to the face and extending rearwardly from the peripheral edges of the face, and a sole member connected to the sole of the body. The sole member may be removably connected to the sole, which can permit removal and replacement with another sole member having a different property. The sole member may additionally or alternately be movably connected to the sole, which can permit adjustment of the sole member, such as to change the lie angle of the head. The sole member may be at least partially received in a receiver in the sole and may form at least a portion of the lowermost surface of the head.

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 crown that extends over the void.

Abstract: A golf club head includes a strike face, a crown, and a sole, and is formed from a forward section and a body section that are coupled together. The forward section includes the strike face, and the body section includes an upper shell defining a portion of the crown, a lower shell defining a portion of the sole, and an internal wall extending between the upper shell and the lower shell. The internal wall is molded from a polymeric material and is integrally formed with one of the upper shell and the lower shell. At least one of the upper shell and the lower shell defines an opening that is in communication with a cavity provided between the upper shell and the lower shell and at least partially defined by the internal wall.

Abstract: A ball striking device, such as a golf club head, includes a face having a ball striking surface configured for striking a ball and a body connected to the face and extending rearwardly from the face. The body has an impact-influencing structure in the form of a channel positioned on at least one surface of the body. A majority of a force generated by impact with a ball is absorbed by the impact-influencing structure, and a majority of a response force generated by the head upon impact with the ball is generated by the impact-influencing structure. The face may have increased stiffness as compared to existing faces, and may include a stiffening structure to create the increased stiffness, such as a porous or cellular stiffening structure.