105results about "Tennis" patented technology

[The proposed invention consists of a dividing-net and a lightweight frame which can be rapidly and easily assembled and disassembled repeatedly with the use of multiple pole segments which are fully or partially connected when expanded and collapsed. The net system can be stored and carried in a compact configuration. This net system can be applied to the design of net systems for numerous sports including pickleball, tennis, badminton and other sports with similar net-system requirements including all where the net-system divides a court or any space into two pieces. The net system can come in variable lengths such as one which could divide a standard court or portion thereof, or a shorter length to create net systems that can collapse and fit in piece of luggage or even a backpack.

The intelligent badminton court comprises a standard badminton court and a net rack located in the middle of the standard badminton court, the net rack comprises an intelligent net post for supporting a badminton net, and the intelligent net post comprises an intelligent control platform at the bottom, a supporting rod located on the intelligent control platform and an identification recording module located at the top of the supporting rod; the recognition and recording module can track and record the movement trace of the badminton and is connected with the signal end and the control end of the intelligent control platform, and the recognition and recording module transmits video signals to the intelligent control platform and receives control signals of the intelligent control platform. The problem that existing shuttlecock real-time perception and interaction are difficult to apply to daily playing scenes is solved, and the method can be widely applied to sports venues.

A ball game is submitted. The ball game has an elevated, flat surface which resembles a volleyball net, but where there are three rows of ten boxes. Each hole (box) in the net is 12 inches×12 inches, and the game ball is around 5 inches in diameter. A user stands on either side of the elevated, flat surface and may throw the ball through one of the holes (boxes) in the elevated, flat surface. Another user stands on the opposite side of the elevated, flat surface and may catch the ball and return it in the same way. The height of the elevated, flat surface which resembles a volleyball net, the number, and dimensions of the holes (boxes), and the size of the game ball may be changed / adjusted. However, the holes (boxes) in the net are at least 50% larger than the diameter of the game ball, e.g., in another embodiment, there are three rows of eight boxes, where each hole (box) in the net is 14 inches×14 inches, and the game ball is around 6 inches in diameter.

Football training device consisting of a cube open at the bottom and closed at the top made of a profile frame system and a panelling made of a rebounding material (1).

A ball launching net post system for ball courts integrates automated ball launching, environmental monitoring, net tension control, and weatherproofing within a pair of multifunctional net posts. Each net post houses a ball launcher comprising opposing wheels driven by servomotors to propel balls through apertures in the post. Controllers integrated into each net post monitor court humidity, wind, and weather conditions while enabling remote operation of the ball launchers via smartphone or smartwatch. A weatherproofing system enhances ventilation and prevents water intrusion, safeguarding internal components. The system includes a net tension mechanism and height sensor, connected to the controllers, to maintain net height automatically. Adjustable ball trajectories are achieved by varying launcher wheel speeds and housing tilt angles. The ball launching net post system maximizes court space, improves practice versatility, and increases equipment durability by transforming passive net posts into intelligent, active court infrastructure.

The utility model relates to a stay wire system for supporting a volleyball net or a badminton net with an end rod. Specifically disclosed is a stay wire system for supporting a volleyball net or badminton net (12) with end rods (14, 16), characterized in that the stay wire system comprises: at least one first rod stay wire, the utility model relates to a volleyball or badminton net comprising at least one first rod pull wire attachable at a first end thereof to an end rod (14) of the volleyball or badminton net and extending outwardly from a second end thereof, the second end of the at least one first rod pull wire comprising a bifurcated end section (36, 38) attachable to the ground, and at least one second rod pull wire comprising a bifurcated end section (36, 38) attachable to the ground, the second end of the at least one first rod pull wire extending outwardly from the second end of the at least one first rod pull wire. The at least one second rod stay wire is attachable at a first end thereof to the other end rod (16) and a second end thereof extends outwardly therefrom, the second end of the at least one second rod stay wire comprising a bifurcated end section (36, 38) attachable to the ground.

The invention relates to a net holder (1) for a play net (23), comprising: an inner post (3) with a net mounting portion (19) designed for insertion into a net loop (24) of the play net (23), and a spindle (12) with an external thread; an at least substantially L-shaped body (2) with an outer post (5) and a cross bar (6), the outer post (5) being designed as a hollow box profile for receiving and guiding the inner post (3) and having a slot-shaped net passage (7), the cross bar (6) having at a free end a fastener for fastening to a playing table; and an adjuster (4) formed as a sleeve having an internal thread configured for engagement with the external thread of the spindle (12), wherein a retainer is provided for retaining the adjuster (4) with respect to a longitudinal position relative to the outer post (5) but allowing rotation of the adjuster (4); wherein at least one of the inner post (3) and the outer post (5) comprises a limiter for limiting a rotation of the inner post (3) in the outer post (5), which however allows a longitudinal displacement.

The invention relates to a table tennis net device (1) for a table tennis table (2) with two net posts (4) connectable to the table tennis table (2) and a table tennis net (5) stretched between the net posts (4). A transmitting net post (6) has a light source (8) directed towards an opposite receiving net post (7). The receiving net post (7) has a light sensor (9) directed towards the light source (8). A positioning laser (13) is arranged on the transmitting net post (6) or on the receiving net post (7), which can be aligned with a marking device (14) arranged on the receiving net post (7) or the transmitting net post (6) to indicate the correct alignment of the light source (8) and the light sensor (9) relative to each other.

Systems, methods, and computer-readable media are disclosed for autonomous tennis ball retrieval robots. Example robots include a housing comprising a ball inlet, a first wheel coupled to the housing, a ball collection portion coupled to the housing and configured to receive a plurality of balls, a first arm and a second arm removably coupled to the housing, where the first arm and the second arm together guide balls towards the ball inlet, a ball direction device configured to direct balls from the ball inlet to the ball collection portion, and a first sensor coupled to the first arm, where the autonomous tennis ball retrieval robot is configured to detect obstacles using the first sensor. The autonomous tennis ball retrieval robot may be configured to retrieve balls disposed in an ambient environment, and may be configured to be transported in a rolling mode using the first wheel.

A basketball net includes a multi-layer string including each of an outer layer formed of a first antibacterial, moisture-wicking fiber and an inner layer including a second antibacterial, moisture-wicking fiber. The outer layer is woven from a first antibacterial, moisture wicking yarn to form a wall defining a central opening, and at least one string is positioned within the central opening, the at least one string being formed from a second antibacterial, moisture wicking yarn. The at least one string includes a plurality of strings including a first string formed from the second antibacterial, moisture-wicking yarn and a second string including a third antibacterial, moisture-wicking yarn. The plurality of strings include: the first string; said second string comprising said third antimicrobial, moisture-wicking yarn and at least one monofilament yarn; and a third string formed of a plurality of single fiber yarns.

The utility model relates to the field of sports equipment, and discloses a table tennis table convenient to assemble a net rack, which comprises a table body, the top of the table body is provided with a net body, the side wall of the table body is provided with a moving groove, the inner wall of the moving groove is connected with a fixing frame in a sliding manner, the inner wall of the table body is provided with a positioning hole, and the fixing frame is provided with a positioning hole. A notch is formed in the outer wall of the fixing frame, a spring is fixedly connected to the inner wall of the notch, a pull block is fixedly connected to the end of the spring, a positioning rod is fixedly connected to the side wall of the pull block, a T-shaped groove is formed in the top of the fixing frame, and a fixing cylinder is arranged in the T-shaped groove. According to the table tennis table, by arranging the moving grooves, the positioning holes, the notches and other structures, the net body can be rapidly installed, meanwhile, the area of the two areas of the table body can be adjusted through movement of the net body, the core confrontation logic of the table tennis ball is reconstructed through spatial asymmetry, and the practicability and flexibility of the table tennis table are improved.

A device for supporting a sporting net including a first vertical structure, with rotationally coupling to a net at a first end. And a first base assembly rotationally coupled at a second end. Including a first wheel arm with a wheel and a second wheel arm, with a second wheel, the second wheel rotationally coupled to the second wheel arm. The base assembly is further coupled to a first telescoping member rotationally coupled to a net support dispose substantially perpendicular to the first telescoping member. And a second telescoping member removably coupled to the first telescoping member, wherein the first and second wheel arm are operative to fold onto the first telescoping member.

A ball game is submitted. The ball game has an elevated, flat surface which resembles a volleyball net, but where there are three rows of ten boxes. Each hole (box) in the net is 12 inches×12 inches, and the game ball is around 5 inches in diameter. A user stands on either side and may throw the ball through one of the holes. Another user stands on the opposite side and may catch and return the ball in the same way. The height, general dimensions, and the size of the game ball may vary. However, the holes in the net are at least 50% larger than the diameter of the game ball, e.g., in another embodiment, there are three rows of eight boxes, where each hole is 14 inches×14 inches, and the game ball is around 6 inches in diameter.

The main working principle of the application is to run through the feature of converting kinetic energy into elastic potential energy by the clockwork spring. We pull out the net, and at the same time, we store energy for the clockwork spring. When the clockwork spring is released, it shrinks back, which drives the net to be retracted into the container. The specific operation mode can refer to the tape measure. The problems of difficult installation of the badminton rack, slow net retraction, easy damage of the net and knotting are solved.

A modular support and storage assembly that can be installed into a ground anchor hole. The assembly includes five support sleeves that are fixed into a base anchor. The support sleeves are housed inside a post. A skirt sits atop the base anchor. An upper collar and an upper anchor host are situated atop the support sleeves. An anchor element is inserted into and through the assembly and into a ground anchor hole and fixes the assembly to the ground. The assembly is modular in that one or more sub-assemblies can be used to accommodate varying numbers of support structures, such as swing arms that hold electronic devices, towels, beverages, and electronic devices.

The utility model discloses a net rack for overwater volleyball sports, relates to the technical field of overwater ball nets, and aims to improve the stability of the net rack, adjust the length of the net rack according to the width of a pool and improve the adaptability of the net rack to pools with different sizes, and adopts the technical scheme that the net rack for the overwater volleyball sports comprises a net rack body and a counterweight water bag, the net rack comprises a bottom pipe, a branch pipe, a middle pipe, a top pipe, a hook and a net, the bottom pipe comprises a cross pipe and a screw hole, an adjusting rope and an adjusting buckle are arranged at the two ends of the net, the counterweight water bag comprises a pipe penetrating hole and a water discharging port, the stability of the net rack is improved through the counterweight water bag, and the net rack is protected against damage caused by impact of water flow; and the overall length of the net rack is adjusted by the adjusting rope, so that the adaptability of the net rack to pools with different sizes is improved.

The invention relates to a device (100) for attaching at least one visual aid to an item of sports equipment comprising at least one hole and / or at least one raised portion, the device comprising three right cylindrical frusta (105, 110, 115) with parallel generatrices defining a first axis (120), these being aligned in the following order along the first axis (120): - the first cylindrical frustum (105), referred to as the "retaining portion" for the visual aid, comprising at least one groove (125) oriented in a plane parallel to the first axis (120); - the second cylindrical frustum (110), referred to as the separating ring, having a cross-sectional area (130) greater than a cross-sectional area (135) of the third cylindrical frustum (115); and - the third cylindrical frustum (115), referred to as the attachment portion, comprising: - an outer volume (140) complementary to at least one hole of the item of sports equipment; and - a hollow inner volume (145) comprising: - two side faces (150) extending from a distal base (155) of the cylindrical frustum (115) along the first axis (120), each side face (150) being parallel to the other side face (150); and - a system for pinching at least one raised portion of the item of sports equipment, the system comprising two elastically deformable lips (160) positioned so as to project from each side face (150).

A flat roll-up structure for flatly rolling up a net body (10), comprising a net body (10) and a roll-up mechanism (100); wherein the mesh body (10) contains a grid-shaped mesh surface (11); wherein one side of the net body (10) is connected to the winding mechanism (100) and is driven by the winding mechanism (100) to expand or roll up and receive the net body (10); the net body (10) is installed with a straight pulling part (14) on a side relatively connected to the winding mechanism (100), and a columnar body (141) is installed above the pulling part (14), wherein by holding the columnar body (141) of the pulling part (14), the net body (10) can be retracted or rolled up and taken up flat; the winding mechanism (100) comprises a spool (20), an upper cap (30), a lower cap (40), and a connecting lever (50); and the spool (20) has an inner shaft (21), and the inner shaft (21) is connected to the upper cap (30) and the lower cap (40) so that the inner shaft (21) can rotate between the upper cap (30) and the lower cap (40); characterized in that at the upper end and at the lower end of a net surface (11) an edge strip (12, 13) made of canvas is attached, wherein a hard projecting object (121, 131) is attached to the edge strip (12, 13); an outer side of the inner shaft (21) is installed with an outer drum (22) for rolling up and fixing by the net body (10), and the outer drum (22) is connected to the inner shaft (21) so that the outer drum (22) can rotate together with the inner shaft (21); the upper cap (30) is installed at the upper end of the spool (20), and an inside of the upper cap (30) is installed with an upper shaft connecting part (31), an upper roller positioning part (32), and an upper connecting pipe (33); the upper shaft connecting part (31) is connected to the inner shaft (21) of the spool (20); the upper roller positioning part (32) is installed with an upper positioning roller set (34); the upper positioning roller set (34) comprises two sets of upper positioning rollers (341) and the edge strip (12) at the upper end of the net body (10) penetrates into the upper positioning roller set (34);and between the two upper positioning rollers (341), an upper position limiting part (342) is formed, which serves to limit a protruding object (121) at the upper end of the net body (10), and a width of the upper position limiting part (342) is slightly larger than the protruding object (121) so that the protruding object (121) can move within the upper position limiting part (342) without detaching therefrom, and the upper cap (30) is installed at the front end of the upper roller positioning part (32) with an upper opening (301), furthermore, when the net body (10) is rolled up and taken up, the columnar body (141) of the pulling part (14) can just stop and block the front end of the upper positioning roller set (34); ; the upper connecting tube (33) provides a location that can be installed by the connecting lever (50); the lower cap (40) is installed at the lower end of the spool (20), and a lower shaft connecting part (41), a lower roller positioning part (42), and a lower connecting pipe (43) are installed at an inner side of the lower cap (40); the lower shaft connecting part (41) is connected to a lower end of the inner shaft (21); the lower roller positioning part (42) is installed with a lower positioning roller set (44); the lower positioning roller set (44) has two sets of lower positioning rollers (441), and the edge strip (13) at the lower end of the net body (10) penetrates into the lower positioning roller set (44); and between the two lower positioning rollers (441), a lower position limiting part (442) is formed, which is used to limit the protruding object (131) at the lower end of the net body (10), and a width of the lower position limiting part (442) is slightly larger than the protruding object (131) so that the protruding object (131) can move within the lower position limiting part (442) without separating therefrom; and a lower opening (401) for the lower cap (40) is installed at the front end of the lower roller positioning part (42); the lower connecting tube (43) provides a location to be installed by the connecting lever (50); and the winding structure at the upper and lower ends of the net body (10) penetrates through the upper position limiting part (342) of the upper positioning roller set (34) or the lower position limiting part (442) of the lower positioning roller set (44), so that the net body (10) limited by the upper position limiting part (342) and the lower position limiting part (442) can expand flat or be rolled up and received flat in the spool (20).

A glare-reducing lighting system for an indoor pickleball court includes a hanging noise baffle grid and a hanging downwardly directed light fixture. The hanging downwardly directed light fixture is positioned within an outside perimeter of the hanging noise baffle grid. A ceiling and walls of the indoor pickleball court are black.

The present invention relates to an apparatus, method and computer program for collecting and processing digital information by computer vision and / or tracking as well as observing specific events during sports, in particular during the practice of racket sports, comprising: at least one camera pair for obtaining real image-related information in sports-related stereo, processor for processing the actual image-related information from the at least one camera, memory space containing stored comparison data for typical actions of a fictitious athlete and for typical movements and positions of a fictitious ball, the camera, processor and memory space all to each other for both storage and retrieval of digital information, the processor comparing the actual image-related information from the at least one camera with the corresponding stored comparison data from the memory space and categorizing the work image-related information.

The utility model discloses a movable curtain type volleyball net device, belongs to the technical field of sports equipment, and solves the problem that a volleyball net is damaged when the volleyball net is not drawn in idle. The movable curtain type volleyball net device comprises a volleyball net and two volleyball columns arranged side by side, the two volleyball columns are located on the two sides of the volleyball net respectively, upper pull ropes are arranged on the upper portions of the side faces of the two sides of the volleyball net, and lower pull ropes are arranged on the lower portions of the side faces of the two sides of the volleyball net. The other ends of the two upper pull ropes and the other ends of the two lower pull ropes are connected with ball columns on the two sides of the volleyball net respectively, a fixing rope is arranged between the two ball columns and located above the volleyball net, a plurality of circular rings are transversely arranged at the top of the volleyball net and movably arranged on the fixing rope in a sleeving mode, and the fixing rope is connected with the upper pull ropes and the lower pull ropes in a sleeving mode. Bases are arranged at the bottoms of the two ball columns, and moving devices are arranged on the bases. According to the movable curtain type volleyball net device, the service life of a volleyball net is effectively prolonged.

A modular sports court system includes at least one court module having an upper playing surface and a substrate with an upper surface and a lower surface, with an air chamber disposed between the upper surface and the lower surface. The upper playing surface may include regulation pickleball court markings. At least one auxiliary module may be removably connectable to the at least one court module via mechanical fasteners, wherein the auxiliary module is selected from transition modules, spectator seating modules, recreational modules, and access ramp modules. A modular connection system may include chain links, quick links, shackles, D-rings, webbing straps, and bungee cords, and may further include a gator mouth flap configured to bridge and / or cover seams between adjacent modules. An external playing net can be secured to reinforced attachment points on the at least one court module. Safety features may include perimeter net modules, emergency access points, and anchoring systems.

The utility model provides a field switching device and a stadium field, and the field switching device comprises a sideline assembly which comprises a tennis linear unit and a badminton linear unit; the badminton linear unit is located in a space defined by the tennis linear unit, and the center lines of the badminton linear unit and the tennis linear unit coincide; the ball net assembly comprises a ball net and a ball rod, and the ball net is fixed to the ball rod and moves up and down along with the ball rod; the net assembly is arranged along the center lines of the tennis linear units and the badminton linear units, and the two ends of the ball rod are fixed outside the space defined by the tennis linear units; the field switching device can be switched between a first state and a second state, and when the field switching device is in the first state, the net is located at a first height; when the field switching device is in the second state, the ball net is located at the second height, and the first height is larger than the second height. The stadium field comprises a lighting mechanism and a field switching device.