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Golf ball

Tue, 29 Sep 2015 08:00:00 EDT

A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. The core 4 includes a center 10 and an envelope layer 12. The ratio of the volume Ve of the core 4 to the volume of a phantom sphere of the golf ball 2 is equal to greater than 76%. The ratio (Co/Ce) of an amount of compressive deformation Co of the center 10 to an amount of compressive deformation Ce of the core 4 is greater than 2.0 but less than 3.0. The ratio (Vo/Ve) of the volume Vo of the center 10 to the volume Ve of the core 4 is equal to or greater than 0.01 but equal to or less than 0.13.



Grip

Tue, 25 Aug 2015 08:00:00 EDT

The disclosure herein includes a grip for a golf club with a flexible tube and a layered sheet. The tube includes a tubular body and raised portions extending from the tubular body. The outer surface of the raised portions cooperates with the layered sheet to form a gripping surface. The grip reduces impact shock and provides a feeling of tackiness while providing increased variation in the physical characteristics of the gripping surface. The disclosure further provides a golf club grip that includes a resilient strip spirally wrapped about an underlisting sleeve having a cap and a nipple. The underside of the cap is formed a downwardly facing circumferential slot that receives the upper edge of the strip. The nipple is formed with an upwardly facing groove that receives the lower portion of the strip.



Golf ball

Tue, 26 May 2015 08:00:00 EDT

An object of the present invention is to provide a golf ball having an excellent properties like flight distance and low temperature durability. The present invention provides a golf ball comprising: a core consisting of a center and one or more intermediate layers covering the center; and a cover covering the core, wherein at least one piece or one layer of said intermediate layers is formed from a highly elastic intermediate layer composition that contains (A) a highly elastic polyamide resin having a flexural modulus in a range from 700 MPa to 5,000 MPa; (B) a metal-neutralized product of ethylene-(meth)acrylic acid copolymer and (C) a resin having a polar functional group in a specific way.



Sports training ladder

Tue, 26 May 2015 08:00:00 EDT

A sports training agility ladder is usable in a flat ladder position with the ladder rungs on or close to the ground. The ladder may also be moved into and used in a hurdle position where a bridge or center section of each rung is raised up off of the ground. The ladder accordingly provides advantages of an agility ladder and of hurdles. Each rung may have permanently attached left and right tubes forming a frame. Left and right elastic cords may extend through the left and right tubes. The ladder is consequently easily and compactly folded up for storage and transport, and quickly and easily unfolded for use in either the ladder position or the hurdle position.



Arrow vane

Tue, 26 May 2015 08:00:00 EDT

Each vane for an arrow is both tapered or rounded at the leading edge, and shaped to provide better adherence to the arrow. With the injection molding of each vane, a proper, rounded, smooth shape is achieved. When combined with a bottom surface of the vane having indentations therein, good adherence of the vane to the shaft of the arrow is achieved.



Hockey-stick blade with tailored performance regions

Tue, 26 May 2015 08:00:00 EDT

A hockey-stick blade includes a heel region, a toe region spaced longitudinally from the heel region, and a mid-region located between the heel region and the toe region. The toe region includes one or more reinforcing elements, optionally of different lengths, located at different vertical positions within the toe region. The blade further includes a hosel that optionally is tailored to substantially match the strength and stiffness characteristics of an attached or integral hockey-stick shaft. The mid-region of the blade exhibits improved feel and flexibility characteristics due to the increased stiffness in the toe region.



Swing training device and system

Tue, 26 May 2015 08:00:00 EDT

A swing training device and system that includes a sequence of LED lights that are used to simulate the movement of a pitched ball along a horizontal line and act as a cue for initiating a swing. The swing training device will help develop visual skills by using the eyes to track a light source along a path to the ball such that a bat or striking object hits the ball at the same time the moving light intersects or passes over the ball. The light carrying cable is of a durable design so that the user may practice with the game used bat.



Personal sports simulation robot

Tue, 26 May 2015 08:00:00 EDT

A sports simulation robot for playing games and drills on a standard court or field during which the robot will simulate the competitive play of a human opponent with specific playing characteristics such as strategy, physicality, playing style and skill level. The robot is small enough and light enough to be easily stored, transported and deployed; has a ball storage device for retrieving, storing and dispensing the balls; can reload the balls into the ball storage device by catching them or by autonomously reloading them; has a ball firing system that is compact, lightweight and efficient, that can generate the shot dynamics that the corresponding human opponent would be capable of generating; has a drive system that makes it capable of moving around the court at speeds that are comparable to the speed of the human opponent that is being simulated; has the ability to call shots In or Out, keep the score, provide coaching, and keeps a record over time of the player's performance against different categories of simulated opponents.



Impact training device

Tue, 26 May 2015 08:00:00 EDT

An impact training device for a sports device. The training device includes an elongate rod, a handle engagement element and a handle connector joining the handle engagement element to the elongate rod. The elongate rod is radially displaced from a handle of the sports device when the handle engagement element is engaged to the handle of the sports device.



Multi-piece solid golf ball

Tue, 26 May 2015 08:00:00 EDT

A multi-piece solid golf ball having a core, an envelope layer having an inner envelope layer, intermediate envelope layer and outer envelope layer, an intermediate layer, and a cover having a plurality of dimples formed on a surface thereof, arranged in that order. The three envelope layers, intermediate layer and cover are each formed primarily of a resin material of the same or different types. The core is formed primarily of a rubber material, and has a material hardness higher than the core center hardness. One of the inner layers has a material hardness higher than either or both of the cover material hardness and the average core hardness. The golf ball lowers the spin rate on full shots with a driver, increases the distance traveled by the ball, has good controllability, maintains a straight path particularly on full shots, has a good feel on impact and excellent scuff resistance.



Golf ball and golf ball manufacturing method

Tue, 26 May 2015 08:00:00 EDT

When manufacturing golf balls having a structural component which is a molded and vulcanized material obtained by vulcanizing a rubber composition containing, as the essential ingredients, a base rubber and an unsaturated carboxylic acid or a salt thereof, the distinguishability of structural components such as cores can be enhanced by including also a soluble pigment within, and thereby coloring, the rubber composition. Moreover, vulcanized rubber powder obtained by rendering processing scrap and waste from such cores into powder can be easily decolorized by liquid washing to remove the pigment, thus enabling advantageous use of the vulcanized rubber powder as a compounding ingredient in the manufacture of other golf ball cores without affecting the color tone of the manufactured balls.



Golf club head

Tue, 26 May 2015 08:00:00 EDT

A head 1 is provided with a head body h1 and an adherend s1. The adherend s1 has a cast resin 53 formed by casting, a metal part 51, and a vibration absorber 55. The cast resin 53 has a formed surface formed by the metal part 51. The cast resin 53 further may have a formed surface formed by the vibration absorber 55. A base material of the cast resin 53 is an epoxy resin, for example. The cast resin 53 may have a cutting surface PL1. The cutting surface PL1 may be a joint surface of the adherend to the head body h1. Preferably, a loss tangent tan δ of the vibration absorber 55 is 0.07 or greater and 0.25 or less.



Wood-type golf club

Tue, 26 May 2015 08:00:00 EDT

Provided is a golf club having a head disposed at a front end of a shaft and a grip disposed at a back end of the shaft. A club weight is not larger than 290 g. A product of a ratio (head weight/club weight) of a head weight to the club weight, and a ratio (LG/LS) of a distance LG from the front end of the shaft to a center of gravity of the shaft to a full length LS of the shaft, is not smaller than 0.365.



Portable golf club carrier

Tue, 26 May 2015 08:00:00 EDT

A golf caddie device is disclosed that is designed for carrying golf equipment. The golf caddie device comprises a support rod having a spike and an ergonomically shaped handle. The golf caddie device also comprises a ball holder, a first cylinder comprising up to five openings for retaining golf clubs, and a second cylinder comprising up to five openings for retaining golf club shafts. Golf clubs are inserted into the golf caddie device by inserting the shaft part of the golf club through one of the first cylinder openings and into one of the openings of the second cylinder, thus, retaining the golf clubs within the golf caddie device.



Movable golf range target with RFID ball identifier

Tue, 19 May 2015 08:00:00 EDT

A movable golf range target system is described. The movable golf range target system includes an issuing area RFID reader and a movable target. The issuing area RFID reader reads a plurality of RFID golf balls associated with a player account, each RFID golf ball has a unique identification and the issuing area RFID reader is communicatively coupled to an issuing area network communications module. The movable target includes a first enclosed boundary capture component that receives an RFID golf ball in a first capture area, a first target RFID reader associated with the first capture area, a second enclosed boundary component that encompasses the first enclosed boundary component funnel, the second enclosed boundary capture area receives an RFID golf ball in a second capture area, a second target RFID reader is associated with the second capture area and a GPS receiver coupled to the movable target.



Cricket bat

Tue, 19 May 2015 08:00:00 EDT

A cricket bat in which the striking surface is off-set a distance of 1-2 cm from the front-line of the handle is disclosed. The bat may conform to the relevant Laws of Cricket, having a flat striking surface; a blade made of wood, 10.8 cm or less in width, and when combined with a handle, made mostly of cane, 96.5 cm or less in length. The handle is 52% or less of the bat's total length. In other versions, the bat may not conform to the Laws of Cricket, may be modular in construction and made of aluminum, glass or carbon fiber, a suitable plastic, or some combination of such materials. The blade and the handle may be joined by screw-attached brackets making the components interchangeable, allowing for customization of bat size, weight, length, color and decoration.



Goal-keeping game

Tue, 19 May 2015 08:00:00 EDT

A goal-keeping game involves multiple competing goal-keepers. The source sport for the goal-keeping competition can be any sport based on shooting a ball or puck into an opponent's goal, such as soccer, lacrosse (outdoor or indoor), ice hockey or field hockey. Goalies do not compete directly against each other, but rather face non-competing certified players at multiple competition stations. At the competition stations, competing goalies undergo trials with respect to three goal-keeping skill areas: shot saving, passing and dodging. Points are awarded for saved shots, successful passes and effective ball/puck handling.



Mechanical baseball tee

Tue, 19 May 2015 08:00:00 EDT

A ball hitting training device for batting practice including a stand, a moveable ball holder supported by the stand, and an electronic controller. The electronic controller can move the ball holder side-to-side horizontally, in a swinging motion vertically, inward and outward horizontally, and/or up and down. A vacuum pump and a suction line can support a ball via a suction cup which is part of the ball holder. A computer including memory and a program are included to determine a three dimensional baseball strike zone for a player based on inputs as to at least the player's height and shoulder location. The electronic controller directs the ball holder to move the ball through the determined three-dimensional strike zone at various heights during a batting training session to train the hand-eye movement of a batter to hit the ball at varying locations within the determined three-dimensional strike zone.



Golf ball dimple profile

Tue, 19 May 2015 08:00:00 EDT

Golf ball dimples having a cross-sectional profile shape defined by a semi-cubical parabola function are disclosed.



Golf ball having an aerodynamic coating including micro surface roughness

Tue, 19 May 2015 08:00:00 EDT

Golf balls include: (a) a golf ball having a first set of construction specifications; (b) a coating of the golf ball having an exterior surface and (c) the exterior surface having an enhanced micro surface roughness. The enhanced micro surface roughening affects the aerodynamic properties of the ball as compared to golf balls having the same set of construction specifications but without enhanced micro surface roughness.



Golf ball having an aerodynamic coating including micro surface roughness

Tue, 19 May 2015 08:00:00 EDT

Golf balls include: (a) a golf ball having a first set of construction specifications; (b) a coating of the golf ball having an exterior surface and (c) the exterior surface having an enhanced micro surface roughness. The enhanced micro surface roughening affects the aerodynamic properties of the ball as compared to golf balls having the same set of construction specifications but without enhanced micro surface roughness.



Golf ball

Tue, 19 May 2015 08:00:00 EDT

A golf ball of the present invention includes: a core located in the center of the golf ball; a cover surrounding the outside of the core and having plural dimples on the surface thereof; and a paint layer surrounding the outside of the cover. The paint layer is formed of a material having rubber elasticity. When the golf ball has a μ hardness and the paint layer has a JIS-C hardness, a ratio Sp of the JIS-C hardness of the paint layer with respect to the μ hardness of the golf ball is at most approximately 15. When the cover has a Shore D hardness, a ratio Sc of the Shore D hardness of the cover with respect to the μ hardness of the golf ball may be at most approximately 25.



Golf ball with specified density inner cover layer

Tue, 19 May 2015 08:00:00 EDT

A high performance golf ball includes a resin inner core, a rubber outer core, and a cover. The resin inner core is made of highly neutralized polymer, and may include a blend of different highly neutralized polymers. The cover is a two layer cover, with a hard inner cover and a thermoplastic polyurethane outer cover. The ball as a whole has properties to maximize performance and aesthetic properties, such as feel and sound.



Golf club head with a compression-molded, thin-walled aft-body

Tue, 19 May 2015 08:00:00 EDT

A multiple-material golf club and a method for forming said golf club is disclosed herein. The multiple-material golf club preferably is a driver that has a metal face cup and a thin-walled, compression molded, composite aft body with precise IML and OML geometry. The molding composite used to form the compression molded aft body preferably comprises a plurality of randomly oriented, pre-spread carbon fiber bundles and a thermoset or thermoplastic matrix material.



Golf clubs

Tue, 19 May 2015 08:00:00 EDT

An exemplary golf club head can comprise a body comprising a hosel bore defining a hosel bore axis and an adjustable sleeve comprising a plurality of longitudinal splines that engage with the body within the hosel bore such that the sleeve is configured to be secured within the hosel bore in a plurality of discrete rotational positions relative to the hosel bore axis. The sleeve can further comprise a shaft bore defining a shaft bore axis that forms a sleeve angle with the hosel bore axis when the sleeve is secured within the hosel bore. The square loft angle of the golf club head can be adjusted by changing the rotational position of the sleeve within the hosel bore. The club head can further comprise an adjustable sole piece that can be locked on the sole at a plurality of discrete positions to adjust face angle.



Golf club head

Tue, 19 May 2015 08:00:00 EDT

A golf club head of the present invention includes a face. The face has a score line groove, a fine groove, and a land area. A depth of the fine groove is 0.01 mm or greater and less than 0.03 mm. A width of the fine groove is 0.1 mm or greater and 0.3 mm or less. A pitch of the fine groove is 0.3 mm or greater and 0.7 mm or less. Preferably, the face further has a protruding part protruding beyond the land area. Preferably, the protruding part is provided on a top blade side of the fine groove. Preferably, the protruding part extends along the fine groove.



Golf club head with face insert

Tue, 19 May 2015 08:00:00 EDT

A golf club head is provided having a club body and a contact plate secured to the club body. The contact plate defines at least a portion of a striking surface having a plurality of striking surface grooves. The contact plate is formed using an electroforming process.



Golf club head having a multi-material face

Tue, 19 May 2015 08:00:00 EDT

A golf club head with a multi-material face is disclosed herein. The layers of the multi-material face are preferably attached to the club head using adhesive and mechanical methods.



Golf club irons including backing material behind ball striking face

Tue, 19 May 2015 08:00:00 EDT

Golf clubs and golf club heads, such as iron heads, may include an iron body and a ball striking plate engaged with the iron body. The ball striking plate may include a face layer and a backing layer. The face layer of the ball striking plate may be formed of a metal material, while the backing layer may be formed of a polymeric material. The backing layer isolates the face layer from the iron body. In some arrangements, the backing layer of the insert may be visible at the top, the bottom, the side and/or the front surfaces of the iron head. Methods for making such iron devices are also described.



Hybrid golf shaft

Tue, 19 May 2015 08:00:00 EDT

Disclosed a hybrid golf shaft in which one or more aramid fiber containing prepregs (H) are laminated in a length section of 5 cm or more of the whole length of the golf shaft, and three or more carbon fiber prepregs (C) are laminated in a length section of 50 cm or more of the whole length of the golf shaft. The golf shaft is configured in that aramid prepregs (H1) or hybrid prepregs (H2) with excellent impact absorbability are arranged in a length section of 5 to 50 cm from a thin end of the golf shaft or along the whole length (L) in an axial direction of the golf shaft, to thereby effectively reduce the number of vibrations in the golf shaft when the golf ball is hit.



Adjustable golf club and system and associated golf club heads and shafts

Tue, 19 May 2015 08:00:00 EDT

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



Golf clubs and golf club heads

Tue, 19 May 2015 08:00:00 EDT

Golf club heads which may include an iron-type golf club head body and an adjustable member configured to be engaged with iron-type golf club head body. The adjustable member may include a first surface and a second surface. The first surface of the adjustable member may form at least a portion of the sole of the iron-type golf club head and at least a portion of the rear of iron-type golf club head when the adjustable member is engaged with the iron-type golf club head body in a first orientation. Additionally, the second surface of the adjustable member may form at least a portion of the sole of the iron-type golf club head and at least a portion of the rear of iron-type golf club head when the adjustable member is engaged with the iron-type golf club head body in a second orientation, which is different from the first orientation.



Golf club head or other ball striking device with removable and/or movable sole member

Tue, 19 May 2015 08:00:00 EDT

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.



Golf club head and method of manufacturing golf club head

Tue, 19 May 2015 08:00:00 EDT

Some embodiments include a golf club. The golf club includes a golf club head body having a face surface arranged for impacting a golf ball, a rear surface opposite the face surface, a sole surface, a crown surface including a first crown surface and a second crown surface, and a toe surface including a first toe surface and a second toe surface. The toe surface transitions to the crown surface at a toe end curved boundary surface comprising a first curved boundary surface where the first toe surface transitions to the first crown surface, a second curved boundary surface where the second toe surface transitions to the second crown surface, and a toe end radius of curvature. At least part of the toe end radius of curvature varies. Other embodiments of related golf clubs and methods are also disclosed.



Golf training apparatus and method

Tue, 19 May 2015 08:00:00 EDT

An apparatus and method for golf training includes a system of links and a holder for holding a golf club in an optimal position for beginning a golf swing at initiation of a downswing, which eliminates a backswing of the club, and the holder being adapted to separate from the club, wherein the entire apparatus separates from the club during a downswing of the club.



Motion capture element mount

Tue, 19 May 2015 08:00:00 EDT

Enables coupling or retrofitting a golf club with active motion capture electronics that are battery powered, passive or active shot count components, for example a passive RFID, and/or a visual marker on the cap for use with visual motion capture cameras. Does not require modifying the golf club. Electronics package and battery can be easily removed and replaced, for example without any tools. May utilize a weight that is removed when inserting the electronic package in the mount, wherein the weight element may have the same weight as an electronics package, for no net change or minimal change in club weight. May be implemented with a shaft enclosure and expander that may be coupled with a screw aligned along an axis parallel to the axis of the golf club shaft. May utilize non-permanently and/or friction coupling between the mount and golf club shaft. Cap may include a visual marker and/or logo.



Pitcher training apparatus and method using a ball with an embedded inertial measurement unit

Tue, 19 May 2015 08:00:00 EDT

A measurement system having a miniature, wireless inertial measurement unit (IMU) disposed within or on a moving object, such as a ball or other member, to calculate the kinematics of the moving object.



Arrow mounted tracking apparatus

Tue, 12 May 2015 08:00:00 EDT

An animal tracking device for tracking an animal shot with an arrow. The animal tracking device may include an antenna, a controller, an accelerometer switch, a battery powering the controller and/or accelerometer switch, an animal attachment component, and a housing physically connecting components of the animal tracking device. The accelerometer switch may measure an amount of G force it experiences and send an interrupt signal to the controller when the amount of G force measured is at or greater than a threshold amount for a threshold amount of time, indicating that the arrow has been shot. The controller may send wireless signals to a receiver via the antenna in response to receiving the interrupt signal. The housing may be detachably attached to the arrow. The animal attachment component may attach to an animal shot by the arrow and force the housing away from the arrow.



Configurable broadhead arrowhead

Tue, 12 May 2015 08:00:00 EDT

A rear deploying mechanical broadhead arrowhead is provided and includes a broadhead body having a body opening and a body length, wherein the broadhead body defines a body cavity and includes a plurality of slots, wherein each of the plurality of slots traverses a portion of the body length and is disposed such that each of the plurality of slots is on an opposing side of the broadhead body. A blade system is also provided and includes minor blades and deployable blades, wherein the deployable blades are movable relative to the minor blades. The blade system is movably disposed within the body cavity such that the plurality of minor blades and plurality of deployable blades are protruding from the plurality of slots. A broadhead base having a base head securely associated with the body opening to be partially disposed within the body cavity to enclose the body cavity.



Scent delivery devices and methods of use

Tue, 12 May 2015 08:00:00 EDT

Scent delivery devices and methods of use are provided herein. According to some embodiments, the present technology may be directed to a scent delivery device configured to be housed within an arrow, the arrow having at least one opening to allow scent within the arrow to pass outwardly from the arrow, device having a base member at least partially insertable within a body of the arrow, a scent bearing member associated with the base, and a cap releaseably associable with the base, the cap covering the scent bearing member.



Self centering nock

Tue, 12 May 2015 08:00:00 EDT

A self-centering nock is provided for use in a well-balanced nock-arrow or nock-bolt assembly. The self-centering nock includes compliant projecting protrusions or compliant arms that are substantially rotationally symmetric about a cross section normal to a main axis of the self-centering nock. The compliant projecting protrusions or compliant arms may be received in bolts that have bores of differing internal dimensions.



Portable athletic target

Tue, 12 May 2015 08:00:00 EDT

A portable fabric target for ball sports has at least: a) three fabric panels, comprising a top first panel, a middle second panel; and a bottom third panel;b) the top first panel having i) a first bottom edge attached to at top edge of the second middle panel and ii) a second outside top edge;c) the top first panel having a support element extending away from the second outside top edge;d) the support element having a self-latching system that connects the second outside top edge to itself to form a loop or to a section of the top first panel to form a loop;e) the support element when locked around a pole supporting all weight of the portable fabric target without unlocking; andf) the bottom third panel having a stabilizing component thereon.



Lawn game and components thereof

Tue, 12 May 2015 08:00:00 EDT

A pin for a lawn game includes a shaft portion that includes a first end and a second ground contact end. The pin further has a first fence part that is fixedly attached to the shaft portion and radially extends outwardly from the shaft portion and a second fence part that is rotatably attached to the shaft portion and radially extends outwardly from the shaft. The second fence part is sized such that at least a portion of the second fence part is disposed within confines of the first fence part. The second fence part is rotatable relative to the fixed first fence part to allow the second fence part to be positioned at a desired angle, including a right angle, relative to the first fence part. The pin also has a flag disposed at the first end of the shaft portion.



Electronic golf assistant utilizing electronic storing

Tue, 12 May 2015 08:00:00 EDT

Included are systems and methods for providing data. At least one embodiment of a method includes providing, by a user device, a user interface configured to receive golf scoring data from a user, the user interface including a default score based on predetermined data related to past performance; receiving a first piece of golf scoring data from the user; determining, from the received first piece of golf scoring data, a second piece of golf scoring data; and storing the first piece of golf scoring data and the second piece of golf scoring data.



Golf ball

Tue, 12 May 2015 08:00:00 EDT

The present invention provides a golf ball comprising a spherical core and at least one cover layer covering the spherical core, wherein the cover is formed from a polyurethane composition containing a polyurethane elastomer as a resin component, the polyurethane composition satisfying properties of rebound resilience of 54% or more and a shear loss modulus G″ of 5.03×106 Pa or less when measured in a shear mode using a dynamic viscoelasticity measuring apparatus at the conditions of the temperature of 0° C., and the oscillation frequency of 10 Hz, and the spherical core has a hardness distribution that R2 of a linear approximate curve determined by a least-squares method is 0.95 or more, when plotting JIS-C hardness measured at a center, a surface and at intervals of 2.5 mm from the center of the spherical core, versus distances from the center of the spherical core.



Golf club and golf club head with a sole cavity feature

Tue, 12 May 2015 08:00:00 EDT

A golf club includes a shaft and a club head for a metal wood type club. The club head includes a ball striking face, a heel, a toe, a rear, a crown and a sole. The sole includes a forward sole surface and a rearward sole surface. The substantially horizontally-oriented forward sole surface extends rearwardly from the ball striking face to a rearward edge. The substantially horizontally-oriented rearward sole surface extends forwardly from the rear of the club head. The rearward sole surface extends over and is offset in a height direction from the rearward edge. A cavity may be located above the forward sole surface, the cavity having a rearward facing opening located below the rearward sole surface. A projection may extend rearwardly from the rearward edge beneath the rearward sole surface, the projection having sides that extend in a generally breadthwise direction.



Golf club head

Tue, 12 May 2015 08:00:00 EDT

A golf club head is described having a club head body having an external surface with a heel portion, a toe portion, a crown portion, a sole portion, and a front opening. The golf club head also includes a face insert support structure located at the front opening. The support structure includes a rear support member. The rear support member includes a support portion interior surface contour defining an apex point and an undercut distance in an undercut region within at least one major or minor plane. A non-undercut region is located in at least one major or minor plane intersecting the crown to face transition region.



Forming method and golf club head

Tue, 12 May 2015 08:00:00 EDT

This invention provides a method of forming a fine groove with a width smaller than that of a scoreline in a golf club head. The method according to this invention includes a first step of forming a base groove in a face surface as a base of the fine groove, and a second step of forming a recess in at least one side wall of the base groove to reduce the angle between this side wall and the face surface.



Hybrid golf club heads and hybrid golf clubs incorporating the same

Tue, 12 May 2015 08:00:00 EDT

Hybrid golf club heads and hybrid golf clubs are described herein. The hybrid golf club head includes a body member having a hitting surface, a top surface, a toe end, a heel end, and a sole surface extending between the toe end and the heel end. The hybrid golf club head also includes a shaft attachment portion extending from the heel end upwardly and rearwardly therefrom away from the toe end, where the shaft attachment portion defines a shaft axis. The hitting surface is inclined at a predetermined angle with respect to the shaft axis. The hybrid golf club head includes a first Length B of the top surface near the shaft attachment portion and a second Length A of the top surface near the toe end, where the ratio of B to A is in a range from about 0.428 to about 0.75.



Golf training equipment

Tue, 12 May 2015 08:00:00 EDT

A training equipment usable to check the quality of the putt stroke comprising a base arrangeable on the ground and adapted to receive a golf ball in a predetermined position, magnetic flux detecting means applied to the base at least in front of and behind said predetermined position and so as to be visible from above the base, of the type adapted to visually show a trace depending on the variation of the pattern of the flux lines of the magnetic field applied to the base even after its removal; and at least a first magnet, preferably a permanent magnet, applied to the head base of a putter in correspondence of a part of the head intended in use to hit the ball, oriented so as to have while performing the putt stroke one of the poles facing the flux detecting means; a second magnet is available towards the flux detecting means with polarity opposite to the first so as to cancel the trace.