Abstract: A golf game having an elongated mat with a first end, a second end, sides, a top surface, and a bottom surface. Adjacent each end are a plurality of holes with each hole having a removable plug. Along the sides, the first end, and the second end are rails that preferably fold up from the edges of the mat by remaining interconnected by male/female slots.

Abstract: A monofilament string for use in string racket sports, wherein the monofilament string comprises: a covering material; a core material embedded in the covering material, wherein the core material comprises: a sea region comprising a thermoplastic elastomer; and a plurality of island regions comprising a thermoplastic plastic doped with one or more doping agents, wherein the plurality of island regions is embedded in the sea region; and wherein a geometry and/or a distribution of the island regions in the sea region is such that a tangent modulus of a stress-strain curve of the monofilament string increases with increasing strain in a playing stress range.

Abstract: A sleeve adapted for receiving the solid or hollow end of a sports stick. The sleeve has dorsal and ventral cantle regions each providing a curved support surface for the hand of the athlete when the athlete is gripping the sports stick. The dorsal cantle region and the ventral cantle region each have a radius of curvature in the sagittal plane wherein the radius of curvature of the ventral cantle region is greater than the radius of curvature of the dorsal cantle region.

Abstract: A club cover having variable internal space is proposed by being configured to be flexible in an entrance space part thereof, through which a golf club head (hereinbelow referred to as “a club head”) is inserted into and withdrawn from the club clover. More particularly, a club cover having variable internal space is proposed, wherein when a club head is inserted into the club cover, front and rear surfaces of a body part are brought close to each other to protect the club head, and when the club head is withdrawn, the front and rear surfaces of the body part are spaced apart from each other, so the club head is easily withdrawn and stored, and is safely stored without damage.

Abstract: Disclosed is system and method for measuring the tension of a tennis net, and, alternatively or in addition, for determining if a service let occurs via the measuring of the net tension. The disclosed embodiments measure a force exerted on the center-strap or the singles stick by the net. In these embodiments, the measured force provides an accurate reflection of the tension of the net.

Abstract: An intelligent ball passing system is provided, including: a ball passing robot configured for carrying out a ball passing action according to human body postures, including: a video capture device configured for acquiring human body posture data, a movement mechanism configured for driving the ball passing robot to move according to a ball passing instruction, and a central processing module connected to the movement mechanism and the video capture device respectively; and a software system configured for controlling the ball passing robot to carry out the ball passing action, the central processing module recognizing and classifying the human body postures by using the software system that uses a BP neural network.

Abstract: A pulling string apparatus of a stringing machine comprising a string gripper, a sensor, a drive element, a transmission mechanism and a control circuit; the sensor is connected with the string gripper to detect the pull force of the string gripper; the control circuit compares the detected pull force value with a pre-set value, and control the rotation of the drive element; the transmission mechanism comprises a mounting base, a sliding block, a transmission rack and a drive gear; wherein the drive gear is connected to the drive element and is engaged with the transmission rack, the sliding block arranged on the transmission rack is connected with the sensor; when the sensor and the string gripper are driven forward or backward by the sliding block under the act of the transmission rack engaged with the drive gear, the racket string will be tensioned or loosened.

Abstract: A tennis training device used for tennis training with a tennis trainer, including a batting component, a rebounding net component which can be separated, a controller, a microphone and an LED lamp which are connected with the controller. The batting component includes an adjustable bracket group and a batting cloth connected to the bracket group. An upper end of the batting cloth is provided with a ball receiving barrel and a ball guiding tube connected with the ball receiving barrel. Protecting nets are arranged on both sides of the batting cloth. The rebounding net component includes a supporting rod and a rebounding net plate movably arranged on the supporting rod. A tennis training system conducting training information interaction with the tennis trainer through the above tennis training device, which is connected with an application program on a mobile device.

Abstract: A portable training device includes a first and second elongated members, a coupling device, a base, a holder device, and a member holder. An elongated slot is positioned between a distal end and a proximate end on at least one side of each of the first and second elongated members. The first elongated member and second elongated member are each received by the coupling device to form a post that extends in a system vertical direction. The member holder has an engagement portion and a member receiving portion. The engagement portion includes a resilient member and a trapezoidal portion. The resilient member and the trapezoidal portion are slidably received in the elongated slot of the first and second elongated members such that the member holder is positioned into a plurality of positions within the elongated slots of the first and second elongated members.

Abstract: A golf swing training tool including an arm band (which connects the elbows) and the club shaft are connected by a cord maintain a prescribed grip angle. The arm band is configured to adjust a distance between the elbows. An elastic clip locks onto the club shaft and is configured to encircle the club shaft, and enables easy changing of the grip angle by using an opening lever to change the locking point with a single touch. As a result, frequent changes in grip angle can be made much more easily. Three types of cords are employed, a low-elasticity cord, a high-elasticity cord, and a cord combining both are used to achieve twelve different types of training methods.

Abstract: A flipper drain device of a pinball machine is provided, including a fixed rack and a drain and ball-striking assembly. The fixed rack is mounted in the pinball machine and includes guide rods. The drain and ball-striking assembly is mounted to the guide rods, such that the drain and ball-striking assembly is leftward/rightward movable but not rotatable on the guide rods. The drain and ball-striking assembly has a drain opening and a flipper provided at each of a left part and right part thereof. The drain and ball-striking assembly includes an operation table, which is provided with an operation member. The operation member controls the drain and ball-striking assembly to selectively move leftward/rightward. The operation table is provided with an operation button on each of a left part and a right part thereof for respectively controlling the flippers of the drain and ball-striking assembly to rotate.

Abstract: Grip with electronic system and exterior venting. In an embodiment, the grip comprises a main body comprising a shaft cavity extending from an open first end to a second end. The grip also comprises an end cap that is attached to the second end of the main body. The end cap comprises a base adjacent to the second end of the main body, which comprises one or more vent openings to one or more vent paths. The end cap also comprises a side wall extending from the base and defining an interior cavity. The end cap further comprises one or more vent paths. Each vent path provides fluid communication between at least one of the vent opening(s) and at least one of one or more vent holes in an exterior surface of the side wall. An electronic system is positioned within the interior cavity of the end cap.

Abstract: The invention relates to dartboard games, where projectiles are thrown at a target. The face of the dartboard has a realistic, lifelike image of a game animal, and the higher scoring regions correlate to the kill zone of the game animal's anatomy. Lower scoring regions correlate to the rest of the body of the game animal, and penalty scoring regions may be present, scoring negative points. Players try to land their darts in certain scoring regions in order to score the most points, depending upon the rules of the game. Rules are provided for a 300 point and 21 point game. If the images are printed on the dartboard, the darts may be thrown or launched with an apparatus like a mini-bow or blow-gun. If the images are projected, the darts may be virtual.

Abstract: A tennis racket with a more-responsive string configuration is an apparatus that allows a user to hit a tennis ball with spin and power in a controlled manner. The apparatus includes a closed-shape beam, a throat, an elongated handle, and a plurality of lines. The elongated handle allows the user to firmly grasp the apparatus, and the throat connects the elongated handle to the closed-shape beam. The plurality of lines is tensionably mounted within the closed-shape beam in order to provide the present invention with an elastic contact area for the tennis ball. Each of the plurality of lines includes a first string and a second string, which are positioned along each other for each of the plurality of lines. In addition, a lateral surface of the first string is positioned tangent to a lateral surface of the second string.

Abstract: A sports training assembly includes a plurality of remote targets. Each of the remote targets is positionable on a training field and each of the remote targets respectively emits a visual alert when the respective remote target is turned on. In this way the respective remote target is established as the desired target for the athlete to strike. A base target is positionable on the training field and the base target emits a visual alert when the base target is turned on thereby establishing the base target as the desired target for the athlete to strike. Moreover, the base target is in electrical communication with each of the remote targets and the base target turns on each of the remote targets in a random sequence. A plurality of balls is provided and each of the base and remote targets is mounted on a respective one of the balls. Moreover, each of the balls is biased to vertically orient the remote and base targets for striking.

Abstract: Examples of golf equipment covers and methods to manufacture golf equipment covers are generally described herein. In one example, a golf club head cover may include a body portion having an outer shell portion, an inner liner portion, and an opening for receiving a golf club head. The golf club head cover may include a magnetic portion that allows the golf club head cover to be magnetically attached to a metallic structure, such as a steel golf cart basket. A magnet identifier may be visibly located proximate to the magnetic portion. The magnet identifier may notify an individual as to a location of the magnetic portion. Other examples may be described and claimed.

Abstract: A training device for use with a goal having a pair of posts and a crossbar, includes a pair of side panels, each side panel being disposed adjacent each of the pair of posts, each side panel including a pair of first arms disposed parallel with the pair of posts, upper and lower transverse members extending between the pair of first arms, a first netting covering the area defined by the pair of first arms, and the upper and lower transverse members, and at least one hinge coupling one of the first arms to an adjacent post.

Abstract: A putting training device includes a fixing hub including a shaft retainer combined with a putter shaft; a first rotary support and a second rotary support coupled to the block part at both sides of the putter shaft, respectively; a first support bar having an upper end supposed to be held in an underarm of a user and the other end rotatably coupled to the first rotary support; a second support bar having an upper end supposed to be held in the underarm of the user and the other end rotatably coupled to the second rotary support; and an angle adjuster coupled to the first support bar and the second support bar over the first rotary support and the second rotary support to be able to adjust an angle between the first support bar and the second support bar.

Abstract: A golf putting training device for improving a putting stroke of a user includes a base that is positionable on a surface. A pair of posts is coupled by lower ends to the base. Each post is positioned proximate to a respective opposed side of the base so that the posts define a reference plane that is perpendicular to the base. A guide unit is engaged to and extends from the base in a guide plane that is parallel to the reference plane guides a shaft of a putter during a putting stroke. A constriction unit that is engaged to the posts and selectively positionable in abutment to outer faces of knees of a user prevents outward motion of the knees during the putting stroke. A stance governing unit that is engaged to upper ends of the posts templates a posture of the user during the putting stroke.

Abstract: A small golf swing training tool has the same weight balance as that of a golf club and can easily confirm the orientation of the club face during training. A golf swing training tool includes a grasping part made of a rod-shaped member, a weight part made of a plate-like (plate-shaped) member surrounding both ends of the grasping part, and an insertion hole required to allow to grasp the grasping part between the grasping part and the weight part. The grasping part is not arranged at the weight center of the weight part.