Abstract: A variable length shaft assembly comprising at least one upper shaft portion, a lower shaft portion and a threaded fastener, wherein the threaded fastener removably connects the upper shaft portion to the lower shaft portion, is disclosed herein. The variable length shaft assembly may further comprise at least two upper shaft portions having different lengths so a golfer can adjust the total length of the shaft by removing one upper shaft portion and replacing it with another upper shaft portion having a different length. Methods of adjusting the length of a golf club shaft without damaging any portion of the shaft and variable length shaft kits are also disclosed herein.

Abstract: A variable length golf club shaft is disclosed herein. The variable length golf club shaft includes at least one upper shaft portion having a first diameter and a hollow lower shaft portion having a second diameter that is larger than the first diameter, wherein the lower shaft portion has at least one notch, and wherein the at least one upper shaft portion has at least one pin that fits within the at least one notch.

Abstract: Embodiments of adjustable length golf clubs and methods of manufacturing adjustable length golf clubs are generally described herein. Other embodiments may be described and claimed.

Abstract: A length adjustment system for joining a golf club head to a shaft is provided. The length adjustment system may be utilized to produce a minor length, an intermediate length, and an extended length of a golf club. In a minor length configuration, the length adjustment system includes a shaft sleeve attached to an end of the shaft. A retainer releasably secures the shaft and shaft sleeve to the golf club head. The minor length configuration also features a minor length weight system. The intermediate length configuration further includes a first spacer, a first hosel sleeve, and an intermediate length weight system. The extended length configuration further includes a second spacer, a second hosel sleeve, and an extended length weight system. The length adjustment system incorporates the discovery of unique relationships among its components so that the resulting golf club has similar characteristics in each configuration.

Abstract: A device designed for extending a golf club shaft. The device is a three-piece mechanism with a bottom piece bonded into the top end of a tubular golf club shaft, and a plurality of top piece sizes that are removably connected to the bottom piece and provide the adjustments in club length. A special golf grip having an accordion like plurality of rings can expand or contract in accordance with the amount of club length adjustment.

Abstract: An adjustable length golf club including an engaging mechanism, a rotational shaft, a locking mechanism, and a lower shaft. The rotational shaft is connected with the engaging mechanism and is configured to rotate upon movement by the engaging mechanism. The locking mechanism is connected with the rotational shaft and includes a locking insert and a locking collar located on the locking insert. The locking insert being is configured to retain the locking collar during axial movement. The lower shaft has an inner surface that is in frictional contact with the locking collar. The locking insert is threadingly engaged with the locking collar and a first rotational movement in a first rotational direction by the rotational shaft causes the locking insert to move the locking collar creating a frictional locking engagement between the locking collar and the inner surface of the lower shaft.

Abstract: A customizable sports implement system includes a sports implement having an elongate primary shaft and an elongate grip shaft, and a customizing mechanism including length setting and weight components having a plurality of different assembly combinations, each of which may be installed within a cavity formed in one of the primary shaft and the grip shaft to set a playing length and playing weight of the sports implement. The sports implement system is adjustable among a plurality of different customized configurations by swapping different assembly combinations of the length setting and weight components into the cavity. A method of customizing a sports implement system includes adjusting the sports implement system among different customized configurations by swapping combinations of the length setting and weight components for one another within the cavity, and adjusting a length setting state of the length setting component.

Abstract: An adjustable length golf club shaft having a grip portion with an end point is disclosed. A locking element is located within the grip portion and a lower shaft having an inner surface that is in frictional contact with the locking element is also disclosed. The locking element is configured to engage the inner surface of the lower shaft. A total length of the golf club shaft is adjustable by a distance of at least one inch and a total weight of the golf club shaft in a weight zone is less than 110 g. The weight zone is defined as a region of the golf club shaft extending from the end point of the grip portion up to 11? along a central axis of the golf club shaft toward a tip portion of the shaft.

Abstract: A golf club, includes: a head; a shaft; a shaft case, having a cylindrical shape and fixed to a leading end of the shaft, a hosel, mounted on the head, wherein: the shaft case is inserted into the hosel from an upper end of the hosel; and the shaft case is fixed to the hosel so that an insertion depth of the shaft into the hosel is changed.

Abstract: A “THREE IN ONE—HBC(HAND, BELLY, CHEST) PUTTER” is comprised of three putters that can be assembled from the individual parts in the putter package. A combination putter can be used in any of the three forms, hand, belly or chest for the next round of practice or golf. After each round of golf the golfer may change the configuration to any of the other putter forms for the next round of practice or golf.

Abstract: A golf club includes a shaft with a length, a distal end, and a proximal end separated from the distal end by the length. A hand grip is disposed along the length and an arm-securing attachment is coupled to the proximal end of the shaft and has a substantially spiral-shape with a spiral direction away from the proximal end of the shaft. A club face is coupled to the distal end of the shaft.

Abstract: A variable length shaft assembly comprising at least one upper shaft portion, a lower shaft portion and a threaded fastener, wherein the threaded fastener removably connects the upper shaft portion to the lower shaft portion, is disclosed herein. The variable length shaft assembly may further comprise at least two upper shaft portions having different lengths so a golfer can adjust the total length of the shaft by removing one upper shaft portion and replacing it with another upper shaft portion having a different length. Methods of adjusting the length of a golf club shaft without damaging any portion of the shaft and variable length shaft kits are also disclosed herein.

Abstract: A variable length golf club shaft is disclosed herein. The variable length shaft includes a hollow lower shaft with a plurality of holes, a hollow upper shaft with at least one protrusion extending from an inner surface that is sized to fit within the plurality of holes, and an unlocking bar. The shaft length can be adjusted by sliding the upper shaft over the lower shaft and using the unlocking bar to release the protrusion from the holes to allow overall shaft length adjustments. In another embodiment, the variable length shaft includes a hollow lower shaft, a hollow upper shaft, an engaging insert, and a locking bar.

Abstract: An adjustable golf shaft having an upper shaft member and a lower shaft member. The upper shaft member has an elongated bore therein and the lower shaft member has a cylinder and a rod having one end fixed to a proximal end of the cylinder. A fixed bushing is positioned within the elongated bore of the upper shaft member and has an elongated bore extending therethrough. The rod is slidably mounted through the elongated bore of the bushing. The frictional force between the rod and the bushing prevents the rod from sliding relative to the bushing when the user of the golf swings the golf shaft. The shaft also includes a threaded screw, where the bushing includes a female thread to accommodate the threaded screw.

Abstract: A separable putter golf club includes an upper shaft portion with a grip and a lower shaft portion with a club head, wherein the upper and lower shaft portions can be quickly connected and disconnected, while allowing a large amount of force to be transferred there through. The upper and lower shaft portions may be connected by a first and second connector portions, that may be engaged and rotated relative to each other. The first connector portion may include a first locking member having a plurality of outwardly protruding lugs and a guide rod, while the second connector portion may include a second locking member having a cavity and a bore. The bore is adapted to receive the guide rod, and the cavity is adapted to receive the outwardly protruding lugs.

Abstract: An adjustable golf shaft having an upper shaft member and a lower shaft member. The upper shaft member has an elongated bore therein and the lower shaft member has a cylinder and a rod having one end fixed to a proximal end of the cylinder. A fixed bushing is positioned within the elongated bore of the upper shaft member and has an elongated bore extending therethrough. The rod is slidably mounted through the elongated bore of the bushing. The frictional force between the rod and the bushing prevents the rod from sliding relative to the bushing when the user of the golf swings the golf shaft.

Abstract: A golf club of the present invention comprises at least one adjusting mechanism. In the golf club, at least two specifications can be adjusted independently of each other. Preferably, a head, a shaft, a grip, or a joined part therebetween has an adjusting mechanism (1). The head, the shaft, the grip, or the joined part has further other adjusting mechanism (2). Preferably, the adjusting mechanism (1) and the adjusting mechanism (2) can work independently of each other. The number of the adjusting mechanisms is not restricted. Since the plurality of specifications can be adjusted independently of each other, a degree of freedom of adjustability is improved. These adjusting mechanisms can improve accuracy of the adjustability. The specification capable of being adjusted is not restricted.

Abstract: An apparatus and method for an improved handle configuration are disclosed. The apparatus and method include an upper handle secured to a shaft that has a longitudinal axis and a lower handle secured to the shaft opposite the upper handle at a location spaced from the upper handle along the longitudinal axis of the shaft. The upper handle and lower handles each have grip portion that extends at an angle substantially orthogonal to the longitudinal axis and that is spaced apart from the shaft in a plane that is substantially perpendicular to the longitudinal axis. The upper handle and lower handle are secured to the shaft at an end of the shaft opposite a device configured to contact an object when the shaft is swung.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member, and a locking mechanism to hold the upper shaft member in place relative to the lower shaft member. The upper shaft member has an elongated bore therein and the lower shaft member has a cylinder and a rod having one end fixed to a proximal end of the cylinder. A fixed bushing is positioned within the elongated bore of the upper shaft member and has an elongated bore extending therethrough and a groove. The locking mechanism includes a pin that has a tapered tip configured to engage into the groove.

Abstract: According to one aspect of the present invention there is provided an adjustable mechanism for connecting two or more shafts, including at least a first shaft having an external surface with an outer diameter and a second shaft which is hollow at a first end, wherein a spring is anchored to the first end of the second shaft, the spring having an inner diameter of similar dimensions to the outer diameter of the first shaft, the spring configured such that when a force is applied to the spring its inner diameter is greater than the outer diameter of the first shaft so that the second shaft can move over the first shaft to a desired position relative to the first shaft, and when the force is no longer applied to the spring it is biased to return to its original inner diameter to bear against the external surface of the first shaft.

Abstract: A device designed for extending a golf club shaft. The device is a three-piece mechanism with a bottom piece bonded into the top end of a tubular golf club shaft, and a plurality of top piece sizes that are removably connected to the bottom piece and provide the adjustments in club length. A special golf grip having an accordion like plurality of rings can expand or contract in accordance with the amount of club length adjustment.

Abstract: An adjustable golf shaft having an upper shaft member and a lower shaft member. The upper shaft member has an elongated bore therein and the lower shaft member has a cylinder and a rod having one end fixed to a proximal end of the cylinder. A fixed bushing is positioned within the elongated bore of the upper shaft member and has an elongated bore extending therethrough. The rod is slidably mounted through the elongated bore of the bushing. The frictional force between the rod and the bushing prevents the rod from sliding relative to the bushing when the user of the golf swings the golf shaft.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing that can slide relative to the lower shaft member. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes. The shaft also includes a fastener or locking mechanism, which secures the lower shaft member within the upper shaft member.

Abstract: An adjustable length golf club shaft having a grip portion with an end point is disclosed. A locking element is located within the grip portion and a lower shaft having an inner surface that is in frictional contact with the locking element is also disclosed. The locking element is configured to engage the inner surface of the lower shaft. A total length of the golf club shaft is adjustable by a distance of at least one inch and a total weight of the golf club shaft in a weight zone is less than 110 g. The weight zone is defined as a region of the golf club shaft extending from the end point of the grip portion up to 11? along a central axis of the golf club shaft toward a tip portion of the shaft.

Abstract: A customizable sports implement system includes a sports implement having an elongate primary shaft and an elongate grip shaft, and a customizing mechanism including length setting and weight components having a plurality of different assembly combinations, each of which may be installed within a cavity formed in one of the primary shaft and the grip shaft to set a playing length and playing weight of the sports implement. The sports implement system is adjustable among a plurality of different customized configurations by swapping different assembly combinations of the length setting and weight components into the cavity. A method of customizing a sports implement system includes adjusting the sports implement system among different customized configurations by swapping combinations of the length setting and weight components for one another within the cavity, and adjusting a length setting state of the length setting component.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and a torque resistant mechanism. The adjustable golf shaft includes an upper shaft member having an elongated bore therein, an outer torque resistant member having a substantially cylindrical shape and secured to an inner surface of the upper shaft member, a lower shaft member having a flared upper end configured to fit within the inner surface of the upper shaft member, and an inner torque resistant member having a substantially ring shape and secured to an outer surface of the lower shaft member. The inner torque resistant member is slidably engaged into the outer torque resistant member and configured to prevent the inner torque resistant member from rotating relative to the outer torque member, to thereby form a torque resistant shaft.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.

Abstract: An adjustable mechanism including at least two shafts, one of which is hollow, including: a spring attached to a first shaft; the spring having an outer diameter of similar dimensions to the internal diameter of the second shaft, the spring configured such that once force is applied to the spring, its outer diameter is less than the inner diameter of the second shaft; and when force is no longer applied to the spring it is biased to return to its original outer diameter to bear against the inner diameter of the second shaft.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing that can slide relative to the lower shaft member. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes. The shaft also includes a fastener or locking mechanism, which secures the lower shaft member within the upper shaft member.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and a torque resistant mechanism. The adjustable golf shaft includes an upper shaft member having an elongated bore therein, an outer torque resistant member having a substantially cylindrical shape and secured to an inner surface of the upper shaft member, a lower shaft member having a flared upper end configured to fit within the inner surface of the upper shaft member, and an inner torque resistant member having a substantially ring shape and secured to an outer surface of the lower shaft member. The inner torque resistant member is slidably engaged into the outer torque resistant member and configured to prevent the inner torque resistant member from rotating relative to the outer torque member, to thereby form a torque resistant shaft.

Abstract: A separable or collapsible golf club, comprising a first shaft member and a second shaft member, which are secured together by means of a connector having two or more biased releasable ring-shaped fasteners positioned apart from one another to provide counterbalanced engagement, to afford an interconnection of the shaft members to form a single golf club when assembled, but that allows for prompt disconnection, through the remote actuation of the fasteners, when the golf club members are to be separated or collapsed, or a different club head is to be installed for usage and application for driving or putting of a golf ball.

Abstract: An improved putter having an adjustable handle, shaft, and putter head. The adjustable handle is configured for a first position or a second position. The shaft is connected with the adjustable handle and configured to rotate about the handle. The putter head is connected with the shaft and configured to move in a pendulum motion as the shaft rotates about the handle. The adjustable handle can be placed at a first position such that the handle is substantially perpendicular with respect to the shaft. The adjustable handle can be placed at a second position such that the handle is positioned in a vertical or upright position so that the golfer can easily place the improved putter into the golf bag after putting. In the first position, the golfer can use the pendulum motion of the putter head to putt a golf ball into the hole.

Abstract: This is an interchangeable golf club system, which allows particular golf club heads to be interchanged on the shaft of a golf club. Additionally, the length of the golf club can be adjusted using this same device. A set of locking rings allow appropriate adjustment of the length of the club or the replacement of the golf club head are provided.

Abstract: A weight joined to a grip length extension, further joined to a test golf club to produce a device outwardly indistinguishable from a production golf club. The assembled device is used as part of a golf club fitting system to emulate the swingweight of various production golf clubs.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes. The shaft also includes a fastener or locking mechanism, which secures the lower shaft member within the upper shaft member.

Abstract: This invention is a putter shaft extension assembly which is especially suitable for use in converting a putter with a conventional shaft length into a longer shaft “belly putter”. It uses a novel screw attachment and pin arrangement to prevent accidental loosening and improper assembly. It is also preferably supplied with spacers to provide different extension lengths, these spacers also contain pins to prevent accidental loosening of the extension.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.

Abstract: An accessory for a golf putter to make that putter into a putter with the feel of a belly putter. The accessory temporarily extends a regular putter to simulate the feeling of a belly putter.

Abstract: A joint for a cue stick where the cue stick has first and second cue stick portions. The joint can include a first joint member for securing to the first stick portion. The first joint member can have a joint securing male threaded region and a locating tip at a distal end. A second joint member can be included for securing to the second stick portion. The second joint member can have a bore for receiving the locating tip, and a joint securing female threaded region for engaging the joint securing male threaded region of the first joint member for coupling the first and second joint members together. The locating tip can have a pivot structure that is configured to engage the bore and pivot against the bore such that the first joint member is capable of pivoting about the pivot structure to compensate for misalignment of the first and second joint members.

Abstract: An improved putter having an adjustable handle, shaft, and putter head. The adjustable handle is configured for a first position or a second position. The shaft is connected with the adjustable handle and configured to rotate about the handle. The putter head is connected with the shaft and configured to move in a pendulum motion as the shaft rotates about the handle. The adjustable handle can be placed at a first position such that the handle is substantially perpendicular with respect to the shaft. The adjustable handle can be placed at a second position such that the handle is positioned in a vertical or upright position so that the golfer can easily place the improved putter into the golf bag after putting. In the first position, the golfer can use the pendulum motion of the putter head to putt a golf ball into the hole.

Abstract: A golf club which includes interconnected segments which can be added to extend the length thus providing an inexpensive alternative to buying new golf clubs. The segments are securely connected to achieve a rigid and sturdy golf club which can grow longer as a child grows taller. The segments preferably have a threaded male/female connection with epoxy applied to the threads followed by the added security of a roll pin inserted into the connection.

Abstract: In one embodiment, a golf club of the so called putter type includes a cylinder shaped head having a vertical semi-through hole placed in the middle of the cylindrical surface, a second threaded hole perpendicular to the first hole for the insertion of a screw, and a shaft of adjustable length inserted in the first hole. The shaft includes a first portion inserted in said semi-through hole, vertically and orthogonally relative to said head, and further includes portions that are one opposite to the other and bent at an angle in relation to the first vertical portion, of which an angled upper portion is disposed parallel to the ground when the club is in its position of use, said end in turn supporting a grip formed by two spheres of different diameters, with the inner sphere configured to slide along the shaft.

Abstract: A belly putter incorporating an adjustable shaft length feature. The adjustable length shaft feature may be added to an existing standard putter or may be incorporated into a specifically built belly putter. A rounded top to the belly putter shaft with completely curved and rounded sides is also provided.

Abstract: An extender sleeve is provided for elongating and converting the shaft of a conventional golf putter wherein to enable the upper end of the converted putter shaft to be anchored against a portion of the golfer's body, such as the neck or belly, or gripped by one of the golfer's hand's, whereby to improve the swing of the golfer when putting a golf ball. The extender sleeve may be separately attached and removed from the putter shaft as desired or extended and retracted into the shaft for storage when not in use.

Abstract: A portable golf caddy for a golfer includes a pole adapted to be inserted into the ground that has various removable attachments or accessories adapted to enhance a golfer's comfort and convenience while on a golf course. The golf caddy optionally includes one or more or a combination of the following attachments; a telescopically extended suction cup adapted to retrieve and to retain a golf ball; a range scope support; a laser device useful for stroke alignment; a measuring device for measuring the distance from a ball to a hole; a golf handle holder; a tee setting device; a cigar holder; and a beverage holder. Additional accessories may be provided as attachments to the caddy such as an umbrella or a scorekeeper. The caddy is lightweight and may be easily carried from one location to another to assist a golfer while golfing.

Abstract: An improved golf club includes an improved grip. The grip may be improved over known grips by including an offset upper portion and/or a sliding grip portion, and/or by providing a shaft with greater flex in an upper shaft portion than in a lower shaft portion. The sliding grip portion is about four inches long and may slide over a standard grip, or over a guide, and is preferably used with putters, but may be used with other golf clubs. The offset upper portion comprises an eleven inch upper grip offset at about nine degrees from the shaft centerline and clocked about 110 degrees counter-clockwise from that face of the head. The lower portion of the grip is retained as in known clubs.

Abstract: A golf putter length adjustment holder device (1) comprising a hollow extension tube that fits over a putter shaft (2). The tube may be telescoping, thereby permitting for quick length conversion of the golf putter. In the alternative, the tube may be of a pre-determined length. Because the golf putter length adjustment holder device (1) fits over a putter, a person need not physically alter an existing putter nor purchase a new adjustable putter to use the present invention.

Abstract: An adjustable putter 10 having a shaft (12) and a grip assembly (16) that is connected to the butt end of shaft (12). A hosel assembly (20) is connected to the tip end (18) of shaft (12) and a head assembly (22) is connected to the hosel assembly. The grip assembly is adjustable on shaft (12) to adjust the length of the putter. A collet (106) is angularly moveable in a housing (94) to adjust the lie and to determine the right-hand/left-hand sense of the putter. The loft is adjusted by substituting different collets (106) with passageways (108) having varying orientations in collet (106). The weight of the putter is adjusted by substituting various weights (156, 158) in the head assembly.

Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.