Abstract: A basketball rebounding practice device is provided. The device includes a support member that can removably attached onto a rim of a basketball hoop, and one or more arm members attached to the support member. Each of the arm members comprise a beam having one end attached to the support member and the other end extending beyond the circumference of the rim by a predetermined length, and a string attached to the beam and hanging off the other end of the beam. The string is attached at its hanging end to a basketball. The arm member also comprises a cable winch attached to the beam for adjusting the handing distance of the string.

Abstract: A putting aid is provided that has a first and a second attachment structure, an upper alignment member disposed between and attached to the attachment structures and a lower alignment member disposed between and attached to the attachment structures, such that the alignment members are vertically aligned to define a vertical plane which is perpendicular to a putting surface. In use, a golf ball is positioned on the putting surface such that a centerline of the golf ball is aligned with the vertical plane, and thus is also aligned with the target line. The golfer then aligns the golfer's line of sight with the vertical plane such that the upper alignment member obscures the lower alignment member, aligns an aim line of a putter such that the alignment members obscure the aim line of the putter and maintains both the alignment of the golfer's line of sight and the alignment of the aim line of the putter during a putting stroke.

Abstract: An apparatus for building muscle memory to develop a more rapid baseball swing and avoid casting of the hands and bat during the swing. Such apparatus includes a first attachment member connectable to an upper arm and a second attachment member connectable to an opposing forearm interposed by an elongated tether to be aligned along a forearm upon initially entering into a hitter's stance. A method for using such apparatus is also disclosed herein.

Abstract: A golf ball having a high rotational moment of inertial core assembly is disclosed. The core assembly may comprise a low specific gravity core and non-uniform thickness, high specific gravity intermediate layer. This sub-assembly is preferably encased within a soft cover. The low specific gravity core is preferably made from a foamed polymer or from a polymer with its specific gravity reduced, and the non-uniform thickness, high specific gravity core preferably has outer projections, inner projections or both disposed thereon. The projections increase the durability of the intermediate layer, thereby allowing polymers with high flexural modulus to be used as the intermediate layer. Alternatively, the inner and outer projections may extend circumferentially to form webs or ribs on the intermediate layer to increase its stiffness. The ball may comprise a second non-uniform thickness layer, wherein one or both of the intermediate layers comprise high specific gravity materials.

Abstract: A putter guide device and method for improving the putting stroke of a golfer. The device includes a flat mat having an opening at one end and a pair of perpendicular lines forming a “T” intersection. A pair of guide walls are magnetically held on the flat mat to enable a golfer to stroke a putter along a horizontal line between the pair of guide walls to repeatedly and accurately hit a golf ball held in the opening with the putter sweet spot. The method includes the use of the teaching device first without the guide walls and a golf ball, then with one guide wall and a golf ball and then with both guide walls. The guide walls may be adjusted to allow more or less space for a putter head being stroked therebetween.

Abstract: A bat, constructed generally of the shape, weight and material usually used and formed for the batter is provided so as to have a small diameter stream of light extended through the central axis from one end to the other. The formation of the light stream emitting out the knob end of the bat will allow the batter to correctly align the knob of the bat with the ball during the initial movement of a swing. The batter and his/her coach will then be able to determine if there are errors in the player's angular position of the bat relative to the ball.

Abstract: In one aspect, the invention is directed to a hockey net protector including an outer layer and an inner layer. The outer layer includes an elongate band of tear resistant and puncture resistant material. The outer layer has an inside face, an upper edge and a lower edge. The inner layer has a plurality of grommets mounted thereon for connecting the protector to a hockey net. The inner layer is attached to the inside face of the outer layer, so that the grommets are covered by the outer layer.

Abstract: A putting device and system for analyzing how a golfer addresses and strokes a golf ball. The putting device includes a plurality of lasers that are mounted on the putter. The laser project beams of light at the ball, at a target, and at a proximate side screen to show the accuracy and trueness of a putting swing.

Abstract: A golf training aid for developing a golf swing of a golfer is described. The golf training aid has a shoulder strap adapted to be worn by the golfer around the shoulder of one arm, and an elbow member adapted to be worn above the elbow of the opposite arm. When worm a portion of the shoulder strap passes in front of the golfer where a coupling structure couples the shoulder strap to the elbow member such that the arms are positioned in front of the golfer's body. The golf training aid is adapted to maintain a substantially constant distance between the shoulder and the opposite elbow of the golfer during a golf swing, thus facilitating synchronization of proper arm position with rotation of the body throughout the golf swing. Typically, the shoulder strap and elbow member are adjustable, and the coupling structure permits decoupling of the shoulder strap from the elbow member to promote efficient use of the present invention.

Abstract: A new configuration for at least some of the dimples on the surface of a golf ball is characterized by undercut portions in the concave surface thereof. The undercut dimples have a first diameter at the surface of the golf ball and a second diameter beneath the surface which is greater than the first diameter. Thus, a portion of the ball surface overhangs an annular portion of the dimple at the periphery thereof. The undercut portions create additional turbulence at the surface of the golf ball as it flies through the air to improve the aerodynamic efficiency of the dimples, thereby reducing drag and increasing the distance the ball will travel when struck.

Abstract: A rotary pool and air powered hockey game table includes a combination game table, two side support members, and at least one cross member. The combination game table includes a pool table surface formed on one side of the combination table and an air powered hockey table surface formed on the opposite side. The at least one cross member is terminated on each end by a single side support member. The combination game table is pivotally retained by a side support member on each end thereof. At least one locking pin device is disposed in at least one side support member to rotatably secure the game table relative to the side support members. A second embodiment includes at least two pivotal support arms, which prevent the combination game table from rotating. A third embodiment includes at least one side support member configured to retain a plurality of game accessories.

Abstract: A football training apparatus provides for simultaneous strength and technique training to improve player strength as applied functionally to blocking. A frame structure includes left and right movable arms with strike pads mounted on the distal ends thereof The height of the strike pads is adjustable for differently sized players. A variable resistance mechanism provides a quantitative resistance to rearward movement of the arms. The frame structure is mounted on left and right rear wheels. When the left and right strike pads are driven rearward a sufficient distance a brake actuator mechanism is engaged to release independently operable brake mechanisms in the left and right rear wheels, respectively. Handles, with hand brake release mechanisms, may be provided on the rear end of the frame structure to allow the apparatus to be pushed without engaging the strike pads.

Abstract: A training device for teaching pocket billiards comprises an overlay placed on a playing surface of a pool table having indicia representing a plurality of predetermined shots. Indicia for each of the shots including a cue ball marker and an object ball marker for indicated placement of a cue ball and an object ball, and a cue ball return area to which the cue ball returns after impact with the object ball. Indicia includes a first trajectory line extending between the cue ball marker and the object ball marker, and a second trajectory line extending from the object ball marker in the direction of one of the pockets. An associated guide manual is provided containing English instructions for imparting spin to the cue ball according to the shot. The indicia for each of the predetermined shots are a different color so that the player can easily differentiate between shots.

Abstract: A basketball apparatus is provided that teaches basketball players to make the perfect basketball shot when shooting backboard shots from any location on the basketball court. The basketball apparatus consists of a backboard, a basketball hoop, a supporting bracket, and a target bulls eye. The target bulls eye is mounted behind the backboard and provides a target for the shooter which, if the basketball were in the proper trajectory to engage the target bulls eye, the basketball would engage the backboard at a perfect reflection point, thereby, bouncing off the backboard towards the basketball hoop to obtain the perfect basketball shot.

Abstract: A sports swing training device comprising a grip, a shaft and a head used in practice of swing form of golf club or baseball or softball bat, wherein a hollow space is formed in the head and is partially filled with a liquid such as water or a solid material such as sand or small pellets.

Abstract: A sound effect assembly that attaches to the net of a goal. The sound effect device contains a sensor that either detects the motion of the net or the passing of the ball or puck. When the sound effect assembly is activated, the sound effect device generates audible sounds, preferably that of a cheering crowd. Accordingly, each time a goal is made, the sound effect device produces the sounds of a cheering crowd. The sound effect device is produced in a very small housing that hooks onto the net of a goal. In this manner, the attachment of the sound effect device to the net does not adversely effect the characteristics of the net or the odds of making a goal by a person playing the sport.

Abstract: An improved club swing training device is provided for assisting persons, such as golfers to improve their golf swing. The training aid includes a power source, a light source such as a laser beam, a light deflector such as a mirror and a motor for rotating the light deflector. The light source, light deflector and motor are affixed to the proximal end of a club shaft. In operation, the light source strikes the light deflector which is rotated by the motor. The light deflector is angled relative to the axis of the light source's emitted beam so that upon the beam striking the light deflector, it is redirected in a second direction so as to form a fan of light as the motor rotates the light deflector. The swing training aid includes a scabbard for affixing the motor, light deflector and light source to the proximal end of a club and for positioning these components so as to position the fan of light so as to assist a person in seeing their club swing.

Abstract: An apparatus for improving a golfer's putting stroke along a line of intended travel of a golf ball. The apparatus enables the golfer to practice positioning his or hear head and feet in selected positions with respect to the golf ball and the line of intended ball travel, as well as the desired positioning of the putter, at the address position. The golfer can also practice the motion of the putting stroke according to either a “straight back/straight through” or “inside the line” stroke motion.

Abstract: A talc dispenser for cue sticks in which a housing having a talc storage cavity is formed with a through tubular passageway configured to allow insertion of a cue stick shaft. A metering element is movable to cause talc to pass out of said storage cavity and into the enclosed space to thereafter be deposited on an inserted cue stick by rubbing contact with a tube of bristle material rolled up within the through passage and on which the talc is distributed. A chalk block holder is received in a housing recess and a housing holder has a belt clip for convenient storage of the dispenser.

Abstract: A basketball practicing and collecting device includes a base containing a water bag therein, a first tube, a lift tube, a second tube, a third tube, a lower support rack, and upper support rack, a reduction motor, a drive roller, a driven roller, a frame tube, two opposite slide seats, two opposite pulley members, a pull handle, and a pull cord. Thus, the frame tube can be turned horizontally, so that the user can practice the free throw in a determined direction.