Abstract: A golf club head is provided having a club body having a front portion, a rear portion, a toe portion, and a heel portion. The club head also having a central portion connected with the front portion. A frame is connected with the central portion configured to provide a lightweight crown portion being located above an offset plane.

Abstract: An adjustable alignment golf putter to compensate for a golfer's visual misalignment of the putter face due to eye predominance to the intended or target line taking into account the slope and contour of the green comprising an upper golf grip and a lower putter head attached to opposite end portions of a putter shaft, the putter head includes visual alignment means formed on the side opposite the putter face including a visual alignment base to support an adjustable alignment element movably positioned thereon to selectively align the adjustable alignment element on a virtual line between the optimum contact point and the cup angularly off set relative to the intended or target line between the golf ball and cup to compensate for the golfer's visual misalignment when putting the golf ball along the intended line to the cup.

Abstract: A golf club includes a golf club head including a golf club head including a head body and a pair of balance adjustment portions formed in the head body, a plurality of weights detachably retained in each balance adjustment portion so that a three-dimensional gravity center position of the golf club head is adjusted, the weights serving as balancers and differing from each other in density and mass, and an IC chip accommodating portion which is formed in the head body or one of the balance adjustment portions to house an IC chip which stores information on a three-dimensional gravity center position of the golf club head.

Abstract: A putting guide assembly and its associated method of use. The putting guide assembly attaches to the head of a putter. The putter head has a striking surface for striking a golf ball. The putting guide assembly is attached to the putter and presents a flexible guide surface that extends forward of the putter's striking surface. The flexible guide surface can be configured into different curvatures. As the flexible guide surface is adjusted, the perceived curvature observed by a golfer holding the putter changes. A golfer can therefore selectively change the perceived curvature to match the natural curvature inherent in that golfer's putting swing.

Abstract: Putters include a putter body having a ball striking face member made of a material having a first hardness characteristic. A cavity is defined in the putter body behind the ball striking face member, and plural openings are defined in the ball striking face member extending rearward with respect to the ball striking face member and into the cavity. A polymeric material at least partially fills the openings and the cavity, wherein the polymeric material has a second hardness characteristic that is softer than the first hardness characteristic. The ball striking face member and the polymeric material exposed in at least some of the openings provide a ball striking surface of the putter. The ball striking surface may include grooves or scorelines to affect the launch angle, spin, and/or roll of the ball during a putt. Methods for making such putter devices also are described.

Abstract: A golf system for training a golf player is disclosed. The golf system comprises a golf putter designed to train the user in practicing an unconventional motion and a grid for guiding the motion of the golf putter. The golf putter comprises a club head and a plurality of marking instruments such as styluses for marking the trajectory of the putter. The grid comprises an enclosure, a recording device to record the trajectory of the golf putter, a plurality of guiding rails and an optional leveling device as well as an optional aiming device, thereby allowing the user to analyze his/her putting trajectory.

Abstract: A golf club head is composed of a first body having mass concentrations at the heel and toe ends joined by a relatively thinner central web portion that is recessed from the front, top and rear surfaces of the club head. A second body member selected from a plurality of second body members composed of a relatively less dense material is temporarily attached to the web portion of the first body to form a face portion that extends from the sole to the top rail of the club as well as the central portion of the top rail.

Abstract: A front of the club head consists of a round opening that accepts a corresponding round member on the end of the shaft. The face of the club inside the round opening on the club head as well as the face of the shaft member that opposes the face of the club inside the round opening on the club head includes half-spherical divots. Opposing divots are positioned in-line when the shaft is at an allowable angle. A ball bearing inserts into the in-line divots prior to sliding the shaft member into the club head opening to prevent movement when tightened. Inside the club head round opening is a smaller round opening that extends through the back of the club head. The round member on the end of the shaft has an attached threaded post that inserts into the smaller round opening on the club head.

Abstract: Technology that allows the angle of the shaft of a golf club to adjust in small increments. The front of the club head consists of a round opening that accepts a corresponding thin round member which can be rotated to a number of positions. The round opening also accepts a corresponding round member on the end of the shaft. This round member slides into the round opening in the front of the club head after the thin round member is seated firmly. A protrusion on the round shaft member will insert into one of the many divots on the opposing face of the thin round member, resulting in an allowable shaft angle.

Abstract: A putter-type club head (20) having a main body (25) and a removable aft member (30) is disclosed herein. The putter-type club head (20) has a main body (25) that is preferably composed of an aluminum alloy. The removable aft member (30) is preferably composed of stainless steel and has a mallet shape.

Abstract: A golf club is provided having alignment markings that assist a golfer in finding a desired setup position before addressing the ball. In one embodiment, a golf club according to the present invention includes a shaft having a substantially tubular shape, a club head having an upper surface, a lower surface, a toe end, a heel end, and a striking face disposed therebetween, and a hosel that couples the upper surface of the club head to the shaft. One or more alignment markings are disposed on the upper surface of the club head between the hosel and the heel end in a direction substantially parallel to the striking face. A proper setup is attained by a golfer when the shaft is seen by the golfer as substantially parallel to at least one of the alignment markings.

Abstract: Ball striking devices, such as golf club heads (including putter heads), have a high moment of inertia about their center, to help prevent twisting and mis-hits, particularly when the ball striking device hits the ball at a somewhat off-center position. The ball striking head of the ball striking device may be structured and/or weighted (optionally with separately attachable weight elements) to have a moment of inertia about a center of the ball striking surface of at least 10,000 g-cm2, and in some examples, the moment of inertia may be at least 11,000 g-cm2, or even at least 12,000 g-cm2. In some examples, the moment of inertia may be at least 20,000 g-cm2, or even at least 25,000 g-cm2 or at least 28,000 g-cm2.

Abstract: A golf putter head adapted for attachment to a club shaft is provided with a face member having a strike face and a cylindrical back cavity, and a body member configured to fit and rotate within the back cavity is disclosed. Selective rotation of the body member within the back cavity sets a loft of the putter head. The weighting of the putter is adjusted by securing a weight member to the body member. A golf putter head having an increased moments of inertia is also disclosed. The putter head includes a face member, a body member, and a weight member. Placement of the weight member is such that the moments of inertia are increased and the putter head is stable.

Abstract: Embodiments of golf club heads with a three-dimensional alignment member and methods to manufacture golf club heads are generally described herein. Other embodiments may be described and claimed.

Abstract: The present invention relates to a golf club having alignment markings that assist a golfer in finding a proper and consistent posture before addressing the ball. In one embodiment, a golf club according to the present invention includes a shaft, a club head having a striking face, a hosel coupling the club head to the shaft, and one or more alignment markings at a position substantially elevated from the club head and substantially behind the shaft. Embodiments of the golf club may further comprise an appendage extending outwardly from the golf club and carrying alignment markings thereon in a direction substantially parallel to the striking face. Such alignment markings provide a golfer with a proper setup when the shaft is seen by the golfer as interposed between, and parallel to, the alignment markings. A golf club according to the present invention may be configured in a variety of shapes, for example, as a putter, an iron, a driver or a wood.

Abstract: A club head for use with a golf putter is provided. This club head includes a body having a center longitudinal axis passing lengthwise therethrough; a first guide rod mounted within and passing through the body parallel to the center longitudinal axis and on one side thereof, wherein the first guide rod is selectively positional lengthwise within the body; and a second guide rod mounted within and passing through the body parallel to the center longitudinal axis and on the opposite side thereof, wherein the second guide rod is selectively positionable lengthwise within the body.

Abstract: A golf club comprising: a shaft; a head affixed to a distal end of the shaft and having a ball striking face, the head comprising spaced apart lower and upper portions which have respectively: lower and upper primary alignment guides extending substantially perpendicular to the ball striking face, the lower primary alignment guide provided by at least one lower slot portion in the lower portion and the upper primary alignment guide provided by at least one upper slot portion in the upper portion; and lower and upper secondary alignment guides extending substantially parallel to the ball striking face, the lower secondary alignment guide provided by at least one further lower slot portion in the lower portion and the upper secondary alignment guide provided by at least one further upper slot portion in the upper portion, the primary and secondary alignment guides being positioned relative to one another so that a golfer's eyes are correctly aligned relative to the golf club head when the primary and secondary

Abstract: A golf club head has a front wall member and a rear wall member joined by a pair of arms that extend rearward from the from the heel and toe ends of the front wall member. An arcuate wall formed in the rear wall member provides an alignment aid. The club may have a protrusion extending above the top rail. The protrusion may have an arcuate surface that corresponds to the arcuate wall formed in the rear member to enhance alignment of the golf club head. The club head may include a transverse alignment aid to assist the user with proper eye position and lie of the club head when addressing the golf ball.

Abstract: Embodiments of golf club heads with a three-dimensional alignment member and methods to manufacture golf club heads are generally described herein. Other embodiments may be described and claimed.

Abstract: A golf training device that is equally useful in developing a putting stroke and a swing stroke. A club head is severed in the middle and a ball is rotatably secured between the head segments. A circumferential line is applied at the ball's equator defining a plane perpendicular to a line about which the ball rotates. Rotation of the ball is employed for training certain strokes or segments of strokes, and the circumferential line is employed for training certain strokes or segments of strokes.

Abstract: A golf putter head dimensioned to closely simulate the size of a regulation-sized golf hole and including at least an indicium approximating the size of a golf ball, whereby a golfer is presented with a visual representation of the size of the target at which he/she is aiming. The golf putter head further indicia for indicating a direction of initial travel of the ball. Further, the golf putter head includes three-dimensional indicia to assist the golfer in properly aligning his/her eyes and hands above the golf putter head while addressing the golf ball to be struck. When the golfer is in a proper stance the three-dimensional indicia substantially “disappear.

Abstract: A putter-type club head having a blade member and a peripheral mass belt is disclosed herein. The blade member is preferably composed of an aluminum alloy, and has a first surface with a first insert and a second surface with a second insert. The blade member is removably attached to the peripheral mass belt to allow for a reversal of the striking surface from the first face surface to the second face surface.

Abstract: The invention relates to a device for a golf club providing an excellent orientation of the club head in the target direction. The disclosed golf club comprises a head having a striking surface, a grip having a butt end, and a shaft connecting the head at its upper end, and the grip at its lower end; wherein the butt end comprises an aiming notch oriented perpendicular to the plane of zero loft of the striking surface, and wherein the head comprises stabilizing profiles on its lower face.

Abstract: A putter head includes a head main body that defines a periphery of the putter head, and a bar that crosses a void space of the head main body in a forward-backward direction. The bar is inserted into insertion holes and fixed thereto by an adhesive. A face member is mounted on a recess. A shaft fixing hole is provided to pass through the bar from the top surface of a front portion of the head main body. A shaft is inserted into the shaft fixing hole and fixed thereto by an adhesive.

Abstract: A unitary golf putting teaching device that achieves four goals: teaching proper club head path; teaching proper club face angle at impact; teaching proper posture and proper eye alignment; and teaching green reading.

Abstract: A putter training device having an outer perimeter wall with two vertical bars within. The two vertical bars bisect each other at their respective centers. Each vertical bar has a centerline transversing it full length. The centerlines form references lines for a golfer when practicing the art of putting. The centerlines may be colored flat line marking with the color being easily seen or the centerlines may be grooves cut into the tops of each vertical bar. Indicia representing the width of a conventional golf ball are on top of the outer perimeter wall at a point where the device is designed to strike the golf ball. The diameter of the outer perimeter is of a width substantially equal to the diameter of a conventional golf hole.

Abstract: A golf putter head with a front portion comprising traditional shape and appearance, with an integral face insert extending through the head to an alignment and weighting portion extending beyond the main body of the putter, adding improved alignment, increased MOI and adjustable weighting and adjustable balance and optimizable Center of Percussion. The putter head comprises a central face insert portion extending through the body and above the traditional weight flange, with mass relieved portions below the top of the alignment piece in order to receive one or more optional weights, and the upper side of the rearwardly extending portion being engraved or marked with various alignment indicia, and the whole through-head insert face portion and rearwardly extending portion being affixed to the base portion of the head at least in part with threaded fasteners.

Abstract: A golf putting training system for a golfer is disclosed generally comprising a linear measurement device that is placed on the ground such that a golf ball is placed at one end and a stopper for engaging a putting head is positioned along the measurement device at a desired distance from the ball. A golfer putts the golf ball, taking a backswing that moves the putter head to the surface of the stopper prior to accelerating towards the ball. The golfer then compares the distance between the end of the measurement device and the stopper to the distance between the end of the measurement device and the final destination of the golf ball. In this way, the golfer can calculate a backswing-to-putt ratio to quickly determine the required backswing distance for any desired putt distance for a given stroke acceleration rate.

Abstract: The present invention provides an apparatus for a golf club and training device. The golf club may be approved for on the course play by the United States Golf Association (USGA). An embodiment of a training device for a golf club includes a handle having a grip where the handle is coupled to a golf club head. The head has an internal alignment device and may include a contact plate, a top plate and a bottom plate. The top plate has a first upper surface including a top alignment marking and the bottom plate has a second upper surface including a bottom alignment marking. The top plate may include an attachment aperture for attaching an external alignment device. The external alignment device may include a laser, an alignment guide, a weight, or the like.

Abstract: A putting guide assembly and its associated method of use. The putting guide assembly attaches to the head of a putter. The putter head has a striking surface for striking a golf ball. The putting guide assembly is attached to the putter and presents a rod that extends forward of the putter's striking surface. The rod has a first end, a second end and at least one curved section in between those two ends. The rod can be rotated into different orientations while being attached to the putter. As the rod is rotated, the perceived curvature of the rod that is observed by a golfer holding the putter changes. A golfer can therefore selectively change the perceived curvature of the rod to match the natural curvature inherent in that golfer's putting swing.

Abstract: A putter-type club head (20) having a main body (25) and a removable aft member (30) is disclosed herein. The putter-type club head (20) has a main body (25) that is preferably composed of an aluminum alloy. The removable aft member (30) is preferably composed of stainless steel and preferably has a fang-like shape.

Abstract: A golfing aid 11 having two levelling sensors 32, 33 mounted on a D shaped sensor body 31 and a mounting means having three adjustable connectors 41, 51, 61 for adjusting the orientation of the D shaped sensor body 31 and an indication output in the form of spirit level bubbles 32, 33 for providing an indication of the sensed level orientation. A system of interactive adjustable connectors linked together to provide such variability that allows connection to any one of left and right handed clubs with different shaft diameters, different angle of putter shaft to putter head and different length shafts and different length putter heads to allow for substantially aligned overlying of the D shaped sensor body 31 over the putter head 23 while substantially aligning the golfing aid front face 34 correctly with the putter head front face 24.

Abstract: Provided is a putting-training tool for enabling a user to train the putting while realizing that the error of a ball hitting angle may be confined within about 2 degrees. The putting-training tool is characterized in that a golf ball rolling groove has a width of 9 mm to 5 mm and has a transverse section gently-recessed into a curved face for supporting a golf ball at one point, so that the golf ball may not leave, in case a putting force to roll the golf ball by about 1.5 m to 2 m on the green is applied, the golf ball rolling groove for errors of the ball hitting angle less than 2 degrees.

Abstract: A golf club head is composed of a first body having mass concentrations at the heel and toe ends joined by a relatively thinner central web portion that is recessed from the front, top and rear surfaces of the club head. A second body member selected from a plurality of second body members composed of a relatively less dense material is temporarily attached to the web portion of the first body to form a face portion that extends from the sole to the top rail of the club as well as the central portion of the top rail.

Abstract: A device for a golf club for instructing club face orientation for a selected swing speed including a body with a selected thickness and such that a substantially pointed forward end thereof intersects a midpoint of the club contact face and in a perpendicularly extending direction relative to a coplanar axis extending across the club contact face. An adhesive tacky material applied to an underside surface of the body engaging the body to a top surface of the club head. A processor communicates with an inertially sensitive cam shaped member rotatably mounted within a location of the body. A swing speed adjustment knob is in operative communication with the body and in contact with the inertially sensitive element via an adjustment spring. An audio-generating transistor and a plurality of LED elements cooperate with the processor for instructing a correct planar orientation of a contacting face of the club head relative to the golf ball.

Abstract: Golf club, comprising a shaft, which at one end thereof carries a striking head, which on the topside thereof facing the other end of the shaft has a pattern including a first line that extends parallel to a side face of the striking head, which forms a striking surface against a golf ball, two second lines connecting to ends of the first line and diverging at the same angle (?) from the ends of the first line and approaching the stroke surface, the angle (?) being in the range of 5-35.

Abstract: Putter assemblies are provided that can include a putter head coupled to a backstroke guide, with the backstroke guide consisting of polymeric material. Putter modification kits are also provided that can include a backstroke guide configured to couple with a portion of a putter head. Methods for putting a ball are included as well that can include viewing a first location of a putting surface through a backstroke guide of a putter. Methods can include aligning the first location with a portion of the putter as well as moving the putter through the backstroke while viewing the first location of the putting surface through backstroke guide.

Abstract: A putter-head (20) with a main body (22) having a striking face (24), a weight body (25) and an isolation layer 27 is disclosed herein. The striking face (24) has a dual milled pattern thereon. Preferably, a central area (40) has a first milled pattern and a periphery region (42) has a second milled pattern. The main body (22) is composed of a metal material, preferably a stainless steel material.

Abstract: The Personal Golf Putter Attachment allows the avid golfer to perfect their putting with the putter of their choice. For stainless steel putters, the base for the plastic attachment is constructed of consist three magnets encased is a thin piece of metal. For non-stainless steel putters, the base will be constructed of strong double coated magnet tape adhered to the top of the putter. The consumer will be able to chose from an array of designs on a plastic sticker. The designer sticker is made of laminated plastic and strong thin double coated tape. The sticker may also be used by companies for advertisement. With the use of the Personal Golf Putter Attachment, anyone will be able to perfect their putting average.

Abstract: Golf putter heads having a front piece and a rear piece that is separate from and connected to the front piece. Embodiments of the golf putter heads include rear pieces having arrowhead shapes. Embodiments of the golf putter heads include rear pieces with removably connectable weights that can be positioned about the perimeter of the rear piece. Golf clubs (e.g., putters) that include one of the present golf putter heads, and methods of treating the strike face of certain of the present golf putter heads.

Abstract: The putter head has a front face with a heel and toe edge extending from the front face. Both the heel and toe surfaces have cavities extending from the outer surface toward a central wall that is perpendicular to the face of the putter to provide visual indication that the face is square to the intended putting line. Two semicircular cavities extend from the top surface of the putter and are separated by the central wall. Medallions on the upper surface of the putter sole are aligned with the semicircular cavities. In this matter, the semicircular holes and medallions give visual indication to the golfer that the placement of the putter relative to the green, the golfer's hand position relative to the club and the golfer's head position are correct.

Abstract: The wheeled putter is a putter using a shrink fit process to secure the putter head to wheels in order to provide a training putter that ensures a uniform putting height above ground. The wheeled putter includes a putting head and a pair of wheels mounted onto the putting head. The wheels each have a bearing assembly mounted in the wheel hubs. The putter head is cooled, thus shrinking the putter head, which is then pressed into the bearing assembly. When returned to room temperature, the putter head is secured directly against the bearing assemblies of the wheel by expansion of the axle shaft against the bearing assembly.

Abstract: A putter-head (20) with a main body (22) having a striking face (24), a weight body (25) and an isolation layer 27 is disclosed herein. The striking face (24) has a dual milled pattern thereon. Preferably, a central area (40) has a first milled pattern and a periphery region (42) has a second milled pattern. The main body (22) is composed of a metal material, preferably a stainless steel material.

Abstract: A golf club head includes a body and ball alignment indicia that protrudes forwardly of the front surface of the body. A transparent plate covers the ball alignment indicia and has a front face arranged for impacting a golf ball. A flange on the transparent plate is received in a recess in the body thereby forming a mechanical interlock between the transparent plate and the body. The ball alignment indicia has a partial spheroid shape and is located intermediate heel and toe ends of the body.

Abstract: A golf club having a shaft and an elongated head projecting at a lie angle relative to the shaft, the head having the shape of a regular polygon in a cross section at right angles to the central axis of the head, with each face being formed of a material that provides a different ball rebound factor, the head section being rotatable about the central axis so that any one of the faces may be presented for use with the club.

Abstract: Exemplary embodiments described herein are directed to golf club heads and golf clubs including a golf club head, including a body having a generally vertical planar face, a means for aligning the planar face with a golf ball, wherein the means is positioned behind the planar face, and an orifice for receiving a club shaft.

Abstract: A putter-type club head comprises a head main body with a face for hitting a ball in a front side, and a plurality of rod members firmly fixed to said head main body and extending to a rear side of the head. The rod members comprise a toe side rod member provided in a toe side, a heel side rod member provided in a heel side and an intermediate rod member provided therebetween. Each rod member has a high specific gravity larger than said head main body.

Abstract: The invention concerns a golf putting practice device (1), comprising a base plate (2) and a plurality of pins (6) intended to be detachably attached in an upright position in at least two rows (R1, R2) on an upper side of the base plate (2) as to form a path for a head of a golf putter. The invention is characterized in that the device (1) comprises a tilting and restoring means (4, 13, 14) that allows the pins (6) to bend from its normal upright position when subjected to an impact force and that returns the pins (6) to their normal upright position.

Abstract: A golf putter with a new and useful head configuration is provided. The putter head is designed to facilitate a golfer's ability to effectively contact and project a golf ball along a desired path on a putting surface. The head is designed to enable a golfer to effectively align the putter head with a golf ball as the golf ball is addressed, and easily and effectively swing the putter, to propel the golf ball along a desired path on the putting surface.

Abstract: Ball striking devices, such as golf club heads (including putter heads), have a high moment of inertia about their center, to help prevent twisting and mis-hits, particularly when the ball striking device hits the ball at a somewhat off-center position. The ball striking head of the ball striking device may be structured and/or weighted (optionally with separately attachable weight elements) to have a moment of inertia about a center of the ball striking surface of at least 10,000 g-cm2, and in some examples, the moment of inertia may be at least 11,000 g-cm2, or even at least 12,000 g-cm2. In some examples, the moment of inertia may be at least 20,000 g-cm2, or even at least 25,000 g-cm2 or at least 28,000 g-cm2.