117 results about "Tennis racket" patented technology

The invention belongs to the technical field of computer vision and action recognition, and discloses a table tennis swing key frame recognition method and system, and the method comprises the steps: carrying out the posture estimation of a table tennis motion video frame by frame, extracting twelve skeleton key points including shoulders, elbows, wrists, hips, knees and ankles, and carrying out the recognition of the key frames; normalization is completed with the shoulder midpoint as a translation reference and the shoulder width as a scaling factor, and a standardized skeleton sequence is obtained; sequentially inputting the sequence into a three-layer one-dimensional convolutional network to extract local features, adding a learnable position code after convolution output, and then inputting a time sequence modeling network formed by six layers of Transformer encoders to capture a long-time dependency relationship; and finally, outputting five types of results of forehand shooting, forehand swing, backhand shooting, backhand swing and non-key frames through a two-layer full-connection network. The system is composed of a data processing module, a feature modeling module and a key frame recognition module, and stable recognition of table tennis swing key frames can be achieved.

A vibration dampener device configured to install to the stings of a racket for dampening a vibration energy of the strings, and which allows for adjustable / tunable dampening may comprise a dampening member configured to capture a first string segment and a second string segment of the racket; and a holder assembly comprising a post including post threading, a tension adjustment nut threadably engaged to the post threading, and at least one plate.

1. Name of the designed product: double-shoulder bag (tennis pocket). 2. Use of the designed product: the designed product is used for packing tennis racket and sports goods. 3. Design points of the designed product: the combination of shape and color. 4. Picture or photo showing the design points: front view. 5. The designed product contains color.

1. Name of the product in this design: Table tennis racket blade. 2. Purpose of this design: For use in table tennis rackets. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A double grip tennis racquet includes a generally oval-shaped racquet head, a throat that extends downward from the bottom end of the racquet head, a handle that is positioned along the bottom of the throat, a pair of struts that extend diagonally outward from the bottom of the handle, and a pair of grips that extend downward from the struts. The struts position each of the grips parallel both to each other, and to the centerline of the racquet. Each of the grips include a layered construction having a core layer that is formed as a unitary member with the struts, the handle, throat and racquet head, and an impact absorbing outer layer. Each of the grips include a separation distance of 3 inches and a length of 8 inches. The overall length of the racquet is 29 inches to conform to ITF standards.

The present invention relates to a padel racket that is strung on its two striking surfaces instead of being solid. Thus, the resulting racket has the following elements: A) a handgrip or gripping handle covered by a grip adapted in size to the player, in order to control muscle tension and allow smooth wrist movement; B) the heart or throat of the racket provided with a bridge and reinforcement, which acts as a connecting link between the handgrip and the head and does not present any distinctive features in the present invention; and C) two striking surfaces or faces which in the present invention are strung, so that both faces are configured by a double string network system, each of the faces being a network pattern or grid parallel to the opposite face.

The invention relates to the technical field of table tennis bats, in particular to an intelligent table tennis bat which comprises a bat body and an upper computer and further comprises a plurality of pressure sensors, a controller and an acceleration sensor, the pressure sensors are evenly distributed on the bat body and used for detecting pressure borne by the bat body, and the controller is arranged on the bat body and used for controlling the acceleration sensor. The pressure sensor is arranged on the racket and used for transmitting a numerical value detected by the pressure sensor to an upper computer, and the acceleration sensor is arranged on the racket and used for detecting the shape of the racket; the pressure sensor can realize large-range detection, and the average detection accuracy before and after rubber covering exceeds 90%; a ball hitting force detection system carried by the racket has relatively high accuracy, the error after correction is within 1%, and the system can be used as a powerful supplement for high-precision digital table tennis motion data acquisition and analysis equipment in a table tennis actual combat laboratory; the real-time analysis accuracy rate of the racket shape is 100%, the response time is within 1ms, and the racket shape can be matched with the ball hitting part and force to integrally display the ball hitting condition.

A pipe fitting and a tennis racket, the pipe fitting including an inner frame portion extending along a first axial direction, an outer frame portion spaced from the inner frame portion along a second axial direction perpendicular to the first axial direction, and a wide portion extending straightly from the outer frame portion to the inner frame portion along the second axial direction, the narrow part is connected between the inner frame part and the outer frame part and is in an arc shape. And the length of the wide part along the second axial direction is greater than the length of the narrow part along the second axial direction. The tennis racket comprises a racket frame, the racket frame is formed by bending the pipe fitting and defines a ball hitting area in a surrounding mode, and the inner frame part surrounds the ball hitting area. When the tennis racket is used, one side of the wide part or one side of the narrow part swings windward, the tennis racket can bear different air resistances, a user can select different racket holding modes according to different use requirements, and different swinging feelings are generated.

1. Name of the product in this design: Ping Pong Board Packaging Box (301). 2. Purpose of this design: This design is used for packaging table tennis rackets. 3. The main design features of this product are the combination of color, shape, and pattern. 4. The picture or photograph that best illustrates the key design features of this design: front view. 5. This design patent seeks to protect the colors of the design.

1. Name of the designed product: shoulder bag (mini tennis racket). 2. Use of the designed product: for containing articles. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The utility model relates to the technical field of sports equipment, and discloses a tennis racket holding posture training structure which comprises a racket handle and racket faces, the racket handle is of an octagonal structure, each face of the racket handle in the clockwise direction is respectively provided with an indication mark number, a balance weight chamber is arranged in the racket handle, a balance weight assembly is arranged in the balance weight chamber, and the racket faces are provided with the indication marks. The balance weight assembly comprises a first balance weight core and a second balance weight core, the second balance weight core is arranged in the first balance weight core in an inserted mode, sliding grooves are symmetrically formed in the balance weight chamber, the first balance weight core is provided with a plurality of sets of first clamping plates which are symmetrically arranged, the first clamping plates are provided with rubber clamping beads, and second clamping plates are arranged in the sliding grooves. A clamping groove matched with the rubber clamping bead is formed in one face of the second clamping plate, and the edge of the clamping groove is designed into a round corner. The device can assist a user in correctly holding the racket, and the self weight of the racket can be flexibly adjusted, so that the grip strength training of the user is achieved.

1. Name of the product in this design: Ping Pong Board (Collector's Edition Hurricane King). 2. Purpose of this design: This design is used for a table tennis racket. 3. The main design features of this design are the combination of product shape and pattern. 4. The picture or photograph that best illustrates the key design features of this design: front view.

The invention relates to an elongated handle (2) for a racket, in particular a tennis racket, having a first handle end (2a) for setting the direction of the head of the racket and a second handle end (2b) opposite the first handle end (2a), and having a gripping section (3) arranged between the first handle end (2a) and the second handle end (2b), the gripping section (3) having a first gripping region (3a) and a second gripping region (3b), the first gripping region (3a) has a first outer contour (4) formed in substantially the same manner along the central longitudinal axis (L) of the handle (2), in particular over the entire longitudinal extension thereof, and the second gripping region (3b) extends along the central longitudinal axis (L) of the handle (2) from the starting point (6d) of the recess (6) to the second handle end (2b) with a second outer contour (5) having the recess (6) located in the handle cross-section. In order to first improve the operability of the handle (2), it is proposed that the recess (6) has a specially shaped bottom (6a).

1. Name of the product in this design: racket hook. 2. Purpose of this design: For hanging badminton rackets, table tennis rackets, etc. 3. The key design features of this product are its perspective view. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of this design product: Tennis racket handle. 2. Purpose of this design: For use in tennis rackets. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A ball racket handle, especially a tennis racket handle, is characterized by the fact that the handle is shaped by recesses / elevations (profiling) for one or more fingers / finger joints and / or palms in such a way that the positions of the striking hand, longitudinally and transversely to the longitudinal axis of the handle, are predetermined for the proper execution of basic strokes.

1. Name of the product under this design: tennis racket. 2. Purpose of this design product: used as a tennis racket. 3. The key point of the design of this product lies in its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: Plate tennis racket (P-2). 2. Purpose of this design: A tennis racket used for hitting tennis balls. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

Provide a table tennis racket. 【Solution means】A triangular block 2 is provided at one neck portion (the joint portion between the handle and the racket face) 3 of the table tennis racket 1, and the triangular block is fixed to the table tennis racket. The two edge portions facing the outside of the triangular block are curved. The triangular block is composed of a wooden block. It has the following advantages compared with the prior art. In the case of a shakehand grip, hook the upper edge of the triangular block with the middle finger, hold down the lower edge with the ring finger, and extend the index finger to the opposite racket face for holding. This table tennis racket is cleverly designed. By adding a small triangular block, it assists in holding the racket with the fingers, making the fingers less slippery and the grip more stable, improving the operation feeling during hitting the ball, and making the force transmission easier. Therefore, it has extremely high practicality and market development potential.

1. The name of the design product: the rackets threading machine seat clamp assembly. 2. The use of the design product: the product is mainly used in the tennis racket to thread the elastic line. 3. The design points of the design product: in the front view. 4. The picture or photo that best indicates the design points: the perspective view.

1. Name of the designed product: tennis racket. 2. Use of the designed product: for tennis. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

A table tennis rubber sheet including a sponge sheet and a solid rubber sheet laminated on one side of the sponge sheet, wherein the sponge sheet contains crosslinked silicone rubber as a binder, the sponge sheet has a plurality of apertures on a surface Ssp on a side facing the solid rubber sheet, the solid rubber sheet has a plurality of protrusions within a specific range on a surface Ssr facing the surface Ssp, and when a specific observation area is placed on the surface Ssp of the sponge sheet, the average ratio of the total area of the apertures is 20.0 to 50.0%, and the area of the opposing surface of the protrusions on Ssp and the area of the apertures satisfy a specific relationship.

1. Name of the design product: Racket accessory (ball) 2. Use of the design product: The design product is used for racket accessory, which helps to practice tennis racket. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The utility model discloses a rubber plate feeding and gluing mechanism which comprises a material platform, a feeding mechanism and a gluing mechanism, wherein the material platform is provided with a feeding station which is used for placing a rubber plate and is provided with an inlet and an outlet; the glue box is arranged on the material platform and is arranged at an outlet of the feeding station; the glue rolling assembly is used for conveying and gluing a glue plate, the glue rolling assembly at least comprises a first roller and a second roller which are rotationally arranged on the material table, and at least part of the first roller is located in the glue box; the material guiding assembly is arranged on the side, far away from the feeding station, of the glue rolling assembly and used for conveying the glued rubber plate between the first roller and the second roller; the feeding device can solve the problem that when traditional table tennis bat production equipment is used for feeding rubber plates in five layers of plates, rubber plate rubberizing and rubber plate conveying need to be divided into two stages, and consequently the conveying efficiency of the rubberized rubber plates is low.

1. The name of the design product: rope buckle. 2. The use of the design product: the design product is a sports accessory, which is used for the stable connection between the racket and the wrist rope of badminton racket, tennis racket and other rackets, preventing the racket from slipping off during movement. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The invention discloses a tennis training device which comprises a moving vehicle, one side of the moving vehicle is fixedly connected with a ball dispenser, the other side of the moving vehicle is fixedly connected with a supporting plate, the upper side of the supporting plate is fixedly connected with a support, the support is fixedly connected with a servo motor, and the upper side of the supporting plate is rotationally connected with a cylinder. A transmission device is arranged between the cylinder and the servo motor, and a tennis racket is arranged at the upper end of the cylinder; the upper end of the cylinder is fixedly connected with a transverse pipe, a round rod is rotatably connected in the transverse pipe, one end of the round rod is fixedly connected with the tennis racket, and the other end of the round rod is provided with a driving device. The tennis racket is quickly waved to beat the tennis ball at a low speed, so that the rebound distance of the tennis ball is reduced, false actions in tennis sports are simulated, and the training response speed is increased.

1. Name of the product in this design: Tennis racket. 2. Purpose of this design: for playing tennis. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a plate-type racket manufacturing method, which comprises a material preparation step, a classification step, a heat insulation step, a cooling step and a bonding step, in the material preparation step, a plurality of processing components are prepared; in the classification step, the plurality of processing assemblies are classified into a pre-heat-insulation processing assembly and a non-heat-insulation processing assembly according to a heating characteristic and a pressurizing characteristic of the composition materials of the processing assemblies. And a heat insulation step: performing heat insulation temperature rise on the pre-heat-insulation processing assembly according to material characteristics to form a heat-insulated processing assembly. And a cooling step: cooling the heat-insulated and processed component to normal temperature. And a bonding step of connecting the heat-insulated processed component and the non-heat-insulated processed component by cold bonding. Therefore, material degradation / deterioration caused by consistent processing is avoided through classified processing, the quality of the plate-type racket is improved, and the performance of the plate-type racket is ensured.

1. Name of the designed product: tennis racket (target). 2. Use of the designed product: for sports equipment. 3. Design points of the designed product: in the pattern. 4. Picture or photo that best shows the design points: perspective view.

The utility model discloses a table tennis bat which comprises a board surface and a handle arranged at the tail of the board surface, the handle is rectangular, one vertex angle of the handle is right opposite to the center of the board surface, two finger holes are arranged on the board surface, two fingers penetrate through the finger holes and hold the handle, and one side edge of the handle is attached and wrapped by the big thenar part of a palm. When the bat is used, the bat handle is tightly attached to the center of the palm, the bat is in bilateral symmetry, the center axis of the bat is the extension line of the arm, the phenomenon that the bat head upwarps and droops is avoided, and power transmission and concentrated power generation are facilitated.