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 with a toe portion, a heel portion, a rear portion, a front portion with a strike face, a sole portion, and a top portion with a plurality of weight ports. The body portion may define a periphery of the golf club head. The golf club head may also include a plurality of weight portions with each weight portion disposed in one weight port of the plurality of weight ports. Other examples and examples may be described and claimed.

Abstract: A putter-type golf club head that, when oriented in a reference position, includes a blade portion comprising a striking face, a top line, and a sole, the striking face including a face center. A rear portion of the club head is in communication with, and rearward of, the blade portion. An alignment element of the club head is rearward of, and recessed toward the sole from, the top line, and the alignment element defines a virtual center line segment oriented in a substantially front-to-rear direction at a height equal to about 21.3 mm to about 21.4 mm. The center line segment is not spaced more than 10 mm from a virtual vertical plane passing through the face center and extending generally perpendicular to the striking face, and a width of the club head is no less than 3.0 in.

Abstract: A putter head having variable face thickness or multiple materials and adjustable weighting features is disclosed herein. The variable face thickness may comprise a plurality of geometric shapes on the striking face surface with spacing between them that decreases in a top to bottom direction, or the face may include a plurality of angled carbon rods. The putter also includes an adjustable weight cartridge that can pivot in a toe-heel direction.

Abstract: A golf club head comprising a three dimensional alignment feature is disclosed herein. In particular, the golf club head, which preferably is a putter, comprises a conical bore having a plurality of concentric rings. The concentric bore extends into a top surface of the head, and when a golfer has properly aligned his or her head relative to a golf ball and the club head, each of the plurality of concentric rings is fully visible to the golfer, with no part of any ring obscured by any other part of the golf club head.

Abstract: A golf club head comprising a three dimensional alignment feature is disclosed herein. In particular, the golf club head, which preferably is a putter, comprises a conical bore having a plurality of concentric rings. The concentric bore extends into a top surface of the head, and when a golfer has properly aligned his or her head relative to a golf ball and the club head, each of the plurality of concentric rings is fully visible to the golfer, with no part of any ring obscured by any other part of the golf club head.

Abstract: A putter includes a handle (2), a putter head (1) with a striking surface, and two alignment indicia (6) symmetrically arranged relative to a vertical plane (20) which is perpendicular to the striking surface and passes through a striking line. Wherein the visible part of the alignment indicia (6) are symmetrical to the vertical plane (20) when being viewed in the vertical plane (20), while not symmetrical to the vertical plane (20) when being viewed in a plane offsetting from the vertical plane (20).

Abstract: A putter head including a fore body and an aft body. The fore body includes a planar front strike face, heel and toe side walls, a rear wall, a top surface and a generally planar sole. The top surface includes a sight line. The sight line extends along a first plane that is perpendicular to the strike face and to the sole, and is substantially evenly spaced from the heel and toe side walls. The aft body is coupled to the fore body and includes a rear main portion and an overhang. The rear main portion is engaged to the rear wall of the fore body, and has a central region positioned between first and second end regions. The overhang forwardly extends from the central region. The overhang includes an elongate slot extending along the first plane, and is positioned over at least a portion of the sight line.

Abstract: A golf club that positions a golfer to establish a desired viewpoint of a golf ball when preparing to strike the golf ball with the golf club. The golf club includes an elongated shaft, a grip provided adjacent to a proximate end of the shaft that the golfer grips to hold the golf club while striking the golf ball during a golf swing, and a club head coupled adjacent to a distal end of the shaft and including a face exposed at a surface of the head for contacting the golf ball during the golf swing. A visual indicator is provided to the club head, wherein the visual indicator is observable by the golfer to indicate that the golfer is positioned in at least one of a predetermined longitudinal direction relative to the club head and a predetermined lateral direction relative to the club head to afford the golfer the desired viewpoint of the golf ball before striking the golf ball.

Abstract: A golf club that positions a golfer to establish a desired viewpoint of a golf ball when preparing to strike the golf ball with the golf club. The golf club includes an elongated shaft, a grip provided adjacent to a proximate end of the shaft that the golfer grips to hold the golf club while striking the golf ball during a golf swing, and a club head coupled adjacent to a distal end of the shaft and including a face exposed at a surface of the head for contacting the golf ball during the golf swing. A visual indicator is provided to the club head, wherein the visual indicator is observable by the golfer to indicate that the golfer is positioned in at least one of a predetermined longitudinal direction relative to the club head and a predetermined lateral direction relative to the club head to afford the golfer the desired viewpoint of the golf ball before striking the golf ball.

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 chisel-type broadhead comprises a threaded ferrule laser welded to multiple blades. The blades are welded from both sides. The blades are welded to each other and to the ferrule. The ferrule and blades are configured to provide maximum impact strength to the broadhead. An optional feature enabling the broadhead ferrule threads to be tightened to the arrowshaft is provided. An improved method of welding the blades to the ferrule is provided.

Abstract: Apparatus and a method for computing and outputting a putting backstroke instruction for a planned putt of a golf ball during recreational play. A computing means includes means for initializing or customizing according to a specific golfer putting on a specific golf green, the golfer putting at least one initializing putt a pre-selected distance on a level area of a green. During recreational play thereafter, in the preferred embodiment of the invention, the golfer, for each segment of a planned putt enters the applicable grade and length. The computing means outputs to the golfer an instruction for the length of the backstroke recommended, i.e., required for the planned putt. Another embodiment of the invention requires the inputting of the length of the planned putt but excludes the inputting of the grade of the green.

Abstract: The present invention relates to an improved golf club with line markings on the head of the putter that facilitate a precise and accurate motion of the club. One of these markings, the aiming line, runs parallel to the club face across the top of the club and is intended to assist the golfer in aiming and placement of the club head. The other markings, the guide lines, run perpendicular to the club face across the top of the club and are intended to guide the path of the subsequent motion of the club to hit a golf ball.

Abstract: Disclosed herein is a golf putter having an alignment means for aligning a golfer's line of sight directly over a golf ball and in line with a desired target. The putter head comprises a striking face and a rearwardly extending body portion. The body portion includes an upper section having an alignment bar protruding away from and perpendicular to the striking face and a lower section having an alignment slot extending away from and perpendicular to the striking face. The alignment bar and slot are centrally positioned and spaced apart from each other such that (i) the slot becomes obscured by the alignment bar when the golfer's line of sight is directly over the striking face and the golf ball at their point of contact, and (ii) the alignment bar and slot are in line with the desired target when the striking face strikes the golf ball.

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: The putter according to the invention comprises a putter head having a forward-facing striking surface, a heel, a toe, a top surface and a rear alignment section. The rear alignment section comprises one or more elongated indicator bars of uniform width that project backwards and that are arranged perpendicularly to the striking surface at a first upper level. Arranged at a second, lower level is a corresponding number of elongated warning strips of a contrasting color, each warning strip having approximately the same width as, and being arranged in vertical alignment with, its corresponding elongated indicator bar.

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 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 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: 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: This invention relates to a golf club consisting of a club head having a tapered bore formed therein extending and tapering inwardly from the base of the club head to the upper surface thereof, a socket of corresponding external shape to the bore in the club head and a shaft adapted to be inserted into a bore formed in the socket. The socket is inserted upwardly into the end of the bore in the base of the club head and due to the taper is positively retained in said bore against upward movement.

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 having a body and a strike face for striking a golf ball. The strike face is arranged at the front of the body, and a projection projecting forwardly of the body at one side of the strike face. In use, the projection extends in the same direction as a strike direction of the strike face. The golf club head further comprises an alignment marking which extends along an upper surface of the projection.

Abstract: A putter head having a forward-facing striking surface, a heel, a toe, a top surface and a rearward-facing, elongated tail section. The elongated tail section has vertical side walls, into each of which is machined an elliptical track or groove along the inside surface. The elliptical tracks are spaced from each other at a width slightly less than the diameter of a golf ball, and are machined into the sidewalls at a predetermined angle of incidence such that, when viewed from directly overhead, the tracks will be perceived by the user as two parallel lines. If the user's eyes are not directly in line with the plane extending vertically from the centerline, then one of the tracks will increasingly disappear behind its respective sidewall, while the opposite track will appear to become increasingly curved, as the degree of misalignment increases. The putter thus provides a means of alignment that improves putting accuracy.

Abstract: A golf club head includes a transparent cylinder with a sight on top and target on the bottom for indicating to the golfer when the club head is level and on line. An exemplary sight includes a centered disk surrounded by concentric rings; some rings being transparent. The target includes a larger central disk sounded by concentric rings of contrasting color or pattern. At the preferred club orientation, the center of the sight is vertically aligned with the center of the target and the vertical sight picture includes at least four concentric colored or patterned rings. In a second embodiment, the sight and target each include a swing stripe in the swing direction. The relative location of the sight and target centers and swing stripes show the golfer the position of the club head relative to the ball and aid in swing smoothness.

Abstract: Apparatus and a method for computing and outputting a putting backstroke instruction for a planned putt of a golf ball during recreational play. A computing means includes means for initializing or customizing according to a specific golfer putting on a specific golf green, the golfer putting at least one initializing putt a pre-selected distance on a level area of a green. During recreational play thereafter, in the preferred embodiment of the invention, the golfer, for each segment of a planned putt enters the applicable grade and length. The computing means outputs to the golfer an instruction for the length of the backstroke recommended, i.e., required for the planned putt. Another embodiment of the invention requires the inputting of the length of the planned putt but excludes the inputting of the grade of the green.

Abstract: A golf club head comprising an integral toe, heel and center section, with the center section including a cavity. The center section is structured so that the majority of the weight of the golf club head is positioned at the toe and heel. One embodiment of the golf club head includes an insert located in the cavity and a second insert is located in the golf ball striking face of the golf club head. The inserts, alone and in combination, increase the feel transmitted through the golf club head to the golfer.

Abstract: A Planar-Parallactic Golf Alignment Aide is disclosed. Also disclosed is a device that provides the golfer with a planar alignment sight line for aligning the club face with the target. The invention further provides the golfer with a parallactic alignment sight line for placing his or her head in the proper and repeatable position in order to eliminate unintentional stance variations. The aide may be incorporated within the club head and operate by aligning an aperture or line with the projected image of that aperture or line to use the phenomena of parallax for head alignment. The aperture or line is formed in the top of a dome, and the projected image then appears on a projection surface below the dome. The device may either be an attachment for a conventional club head, or may incorporated into the head itself.

Abstract: The objects of the invention are provided in a putter head or club head characterized by a hosel that is angled away at a pre-selected angle from 3 to 10 degrees to the vertical plane of the striking face. The golf said putter head or said club head also has a reference marker and an aiming indicator that are placed in reference to each other. On said putter head, said aiming indicator is positioned on the top surface and is at a pre-selected angle of from 80 to 87 degrees from the top of the striking face. On said striking clubface, said aiming indicator slants at a pre-selected angle from 80 to 87 degrees from the sole of the said club head. These inventions assist golfers in compensating for the tilted and opened body, while encouraging and leading golfers to make bio-mechanically correct body movements in striking balls.

Abstract: A golf putter having a pair of parallel linear edge members disposed on its top surface separated by a top surface opening and a pair of parallel linear indicator members disposed on the upper surface of the sole and visible to the golfer through said top surface opening, whereby visual alignment of said linear edge members with said linear indicator members indicates to the golfer that the putter head is properly positioned and that the golfer's eyes are vertically disposed above target putting line.

Abstract: A golf putter head has a central portion made of a relatively light weight material such as a light alloy of extruded aluminum or extruded plastic alloy. To further reduce the weight of the central portion, this portion may be extruded and the face plate formed from a light polymer or rubber material. The toe and heel portions of the head are separately formed of a relatively heavy material such as sintered tungsten or tungsten copper. The toe and heel portions are similar to each other and are attached to the central portion by means of pins which fit into opposing holes formed in the ends of the central portion and the toe and heel end portions as well as well as screws which fit through apertures in the end portions and engage threads formed in the central portion. Employing a central portion which is much lighter in weight than the end portions provides an anti-twisting motion of inertia to the club head.

Abstract: An improved golf club with markings visible on the club head face indicating the ideal points of contact with a golf ball regardless of whether the golf ball is lying on the ground, on a golf tee or otherwise, together with markings visible on club head top indicating basic alignment of club head and golf ball to the target, with methods and tools for determining same. The markings are determined by intersecting lines, planes and axes. The markings may be determined for an existing already manufactured or for a custom fitted golf club regardless of whether the golf club has a flat or round base. The location of the markings may vary from golfer to golfer and from club to club depending upon parameters.

Abstract: The habits of the golfer can be determined during the address from the coincidence status between a reference line 4 and a center line 8 or the plus or minus graduation (judgement) lines 9 or 10 by providing the reference line 4 on the upper face 2 of head 1, providing a view window 6 at the backward of this reference line 4, and by providing the center line 8 and the plus and minus graduation lines 9 and 10 downward the view window 6. Further, more than two parallel lines 11 can be provided on the upper face 2 of head 1. Moreover, the graphics 14 of the club (pole side) and graphics 15 of the ball (head side) are completed when the setting has been made correctly. The graphics 14 is provided on the upper face 2 of head and the pole 12. In addition, the judgement line 7 shall be previously provided to the heel or toe side.

Abstract: A golf putter and method is disclosed which allow accurate sighting and positioning of the golf putter head relative to the target or hole, and which has perpendicular elongated teeth that run along the bottom face of the putter head thereby increasing friction and reducing the resultant tendency for the putter head to twist when moving from a rearward optically accurate alignment position to a putting position. The accurate sighting is possible by tilting the golf putter rearward and sighting along the face and top of the putter head. This tilting causes a rear parallel tooth to engage the turf, keeping the putter head in position As the golfer moves from the sighting position.

Abstract: A golf club head apparatus includes a ball-striker face portion and a main body portion underlying the ball-striker face portion. The ball-striker face portion is in a form of an automobile rear view mirror. The main body portion includes a top body surface and a bottom body surface, and the main body portion includes a pair of air foil surfaces. A handle is connected to the main body portion. The handle enters the main body portion through the top body surface which can be a simulated trunk lid. The handle is closer to a first air foil surface than to a second air foil surface in the pair of air foil surfaces. With the handle present, a complete golf club, such as a putter, is provided. Generally, the main body portion has a configuration which simulates a rear portion of an automobile. Alternatively, the main body portion has a configuration which simulates a front portion of an automobile. The pair of air foil surfaces are simulated automobile tail fin surfaces.

Abstract: A putting stroke training device is removably attached to a putter in a simple one step action. A body of the training device is attached to a conventional putter and includes a C-shaped, resilient attachment member that deforms to fit over the top-line of conventional putters and, by operation of memory of the material, abuts snugly to the back face of the putter in the back cavity. Two parallel alignment guide members extend from the body perpendicularly to the face of the putter. The training device is held in place by operation of the device itself without relying upon some non-integral means for attachment. The two parallel alignment members or fingers, extending perpendicularly from the putter club face, act as a guide between which an individual strikes a golf ball.

Abstract: A golf swing training device for attachment to a golf club. A bell-shaped weight having an axial bore and a slot that communicates with the bore is slidably mountable to the shaft of a golf club. The weight is attached to and suspended from an elastic, expansible cord. The cord is attached to an eyelet inserted into a recess in a top surface of the golf grip. A cord guard comprising a segment of tubing surrounds and protects the cord. The weight has inner and outer pairs of holes disposed on opposite sides of the bore through which opposite ends of the cord are threaded to reversibly attach the weight to the cord. During a downswing of the club, the weight slides under centrifugal force along the shaft toward the golf club head, which the golfer experiences as progressively increasing resistive force. The degree of resistive force is easily and rapidly adjustable by varying the length of cord between the eyelet and the weight when the club is at rest.

Abstract: A playing club for impelling a projectile over a playing surface toward a target, the playing club comprising a shaft adapted to be gripped by a person using the club; a head mounted on the shaft and having a lower surface adapted to be positioned in contact with the playing surface for movement thereover, an upper surface substantially parallel to the lower surface and including spaced apart reference lines, a front surface defining a substantially flat plane and a back surface, mounted on the head is an indicating assembly having edges convergent upon a point of reference.

Abstract: A golf putter provides an optical means for aiming the putter face including a rotatable mirror mounted on the top of the putter so as to image an indicia line on the mirror surface as well as an indicia line on the top of the putter. When these two lines are aligned colinearly in the mirror and the lines are pointed at the golf ball and the target, the face of the putter is perfectly aligned for driving the ball toward the target. The mirror is held in a frame that provides a detent means for locking the mirror in one of several selected positions repeatably, including a position for aiming the putter and a position for storing the mirror on the top of the putter so as to be unnoticed.

Abstract: A putter including a club head, a shaft, a handle, a ball striking face, a heel, a toe, and an upper surface, with the shaft being connected to the upper surface, anda pair of light sources located in the ball striking face.One light source is located adjacent to the heel and other light source is located adjacent the toe. Also, included in the putter is a power source for energizing the light sources;a switch for connecting the light sources to the power source; and, anoptical device associated with each of the light sources for focusing a light beam from said light sources, when the light sources are energized, into a continuous, visible linear image of light in the form of a persistent, visual pair of alignment lines on a putting surface.

Abstract: A tracking device for a golf club, which requires no electrical power source, is comprised of a body of fiberoptic material which is affixed to an exterior surface of the golf club. The fiberoptic material gathers ambient light along its length, and directs that light, through internal reflection, so as to cause it to exit at an end. The illumination provides a bright spot on the head of the golf club which traces the path of the moving club. The fiberoptic material may include a fluorescent dopant which absorbs light of short wavelength and converts that absorbed light to emitted light of a longer wavelength. Use of the fluorescent dopant enhances the intensity of the light emitted from the device.

Abstract: A Training Putter and Rug consisting of tugging with two short lines drawn on the top surface of and near one end of the rugging parallel with the long central axis of symmetry of the rug and one center line co-extensive with the central axis equidistant from and between each of the two short lines which center line extends to a point in a circle drawn near the other end of the rugging and a putter with a bowed shaft affixed to a rectangularly shaped putter head, hollow in the center with three thin bars at the base of the hollowed center that are parallel with and co-extensive with the three lines on the rugging when the putter is placed flat on the rugging during proper use of the device and with two identical milled lateral faces on the putter head and two identical etched lines that are co-extensive with the middle one of the three bars and which are found one each on the topsides of the lateral portions of the putter head.

Abstract: An improved golf club head wherein 70%-97% of the total head weight is within 3/4"-1" of the heel and toe ends of the head. The golf club head is provided with an echo chamber for improving audible feedback to the golfer. Upper and lower overhangs extending from the echo chamber enhance the feedback. The golf club head is further provided with a variation of offset hosels and improved alignment indices. The structural arrangement of the dense metal end blocks allows for the adjustment of the club swing weight without disassembly and reassembly of the club head.

Abstract: A training apparatus that indicates the alignment of a practice golf stroke includes a base plate and a club member. The base plate includes a body, a pointer, a guide strip, and a warning background. The club member attaches to a golf club, and includes a mounting clip, an extension arm, and a colored translucent blade coupled together. The guide strip, warning background, and blade cooperate to indicate a first color when the practice stroke is aligned and a second color when the practice stroke is misaligned. The apparatus is configured such that a golf ball travels over the practice surface during use, and such that a user can clearly view the golf ball in the address position and as it is struck by the golf club.