335results about "Stringed rackets" patented technology

A racket comprises a handle and a body connected to the handle. The body includes a core layer, a first surface layer, a first inner layer disposed so as to sandwich the first surface layer with the core layer, and a first outer layer disposed so as to sandwich the first inner layer with the first surface layer. The first inner layer is an elastic body. The first outer layer has a higher stiffness than the first inner layer. The core layer has a higher stiffness than the first inner layer.

A pickleball racket with shock-absorption rings comprises: a racket potion; and a handle portion connected with the racket portion; wherein, the racket portion comprises a facing and a main panel, the main panel comprises a main panel frame, a first shock-absorption ring, a first honeycomb panel and a second honeycomb panel, the first shock-absorption ring is arranged in an inner ring region of the main panel, the first honeycomb panel is inlaid in a region between the main panel and the first shock-absorption ring, and the second honeycomb panel is inlaid in an inner ring region of the first shock-absorption ring. The first shock-absorption ring arranged around the second honeycomb panel can effectively isolate vibrations when a hitting point is located in the region of the second honeycomb panel, to greatly reduce vibrations transmitted to the handle portion, thus guaranteeing good hitting comfort of the pickleball racket.

A durable pickleball racket comprises a racket body and a panel, wherein the panel comprises one or two layers attached to one or two sides of the racket body, the racket body comprises a handle portion and a racket portion, the racket portion is fixedly connected to the handle portion and comprises a frame and a core board inlaid in the frame, the core board is a homogenous core board or a composite core board, and a plurality of struts are inlaid in the core board. The durable pickleball racket provided by the invention not only can effectively improve the anti-hitting performance, prolong the effective hitting time, retard or reduce permanent deformation and prolong the service life, but also can resist deformation caused by powerful hitting and satisfy lightweight and shock-absorption requirements, thus being an improved product comprehensively balancing strength and quality.

The invention discloses a sensing device for ball hitting detection and a tennis racket. The sensing device comprises a sensor element, and the sensor element is combined with a data fusion algorithm to conduct data monitoring on the ball hitting force, the ball hitting speed and the ball hitting position of the tennis racket; the sensor element comprises an IMU (Inertial Measurement Unit) sensor, physical quantity parameters in a tennis racket batting and waving process and an acoustic sensor, and is used for analyzing batting force, batting speed and batting position; the Bluetooth communication element is used for realizing wireless communication; the energy collector is used for converting kinetic energy generated by ball hitting of the tennis racket into electric energy to supply power to the sensor component; data monitoring is carried out on the ball hitting force, the ball hitting speed and the ball hitting position, the IMU sensor, the acoustic sensor and the energy collector are used in cooperation and combined with a data fusion algorithm, the defects of a traditional single sensor are effectively overcome, the positioning and tracking precision is improved, the energy collector is used for storing and using electric energy, and the positioning and tracking precision is improved. And power consumption is reduced.

A pickleball paddle includes a first padding, two second paddings, an edge strip, and a grip. The first padding is a honeycomb structure made of polypropylene. The second paddings are bonded to two opposite surfaces of the first padding, and the second paddings each have a polypropylene layer and a fiber fabric bonded to the polypropylene layer. The edge strip is connected to the edge of the first padding and the edges of the second paddings, and the edge strip is made of a material including polypropylene. The grip is connected to the edge strip, and the grip is made of a material including polypropylene. Thus, the pickleball paddle of the present invention is easy to recycle and can reduce harm to the environment. Additionally, the present invention further includes a method of recycling the aforesaid pickleball paddle.

A manufacturing method and structure for a composite material racket frame includes the following steps:(a) Resin impregnation: Impregnate a composite material with resin;(b) Wrapping the core mold with composite material: Use a core mold in the shape of a racket, made of polymethacrylimide (PMI) or expanded polypropylene (EPP) material; then wrap the composite material around the core mold to form a composite material layer. The mutually wrapped composite material layers and core mold together form a semi-finished product;(c) Heating and pressurizing: Place the semi-finished product into a mold with a cavity, and heat the mold to a preset temperature. After heating, the core mold expands due to heat, forming internal pressure within the semi-finished product;(d) Cooling and curing: Stop heating and allow the semi-finished product to cool until it reaches a cured state, and(e) Finished product formation: Remove a finished racket frame from the mold.

A method for manufacturing a pickleball racket includes the following steps: (a) impregnating a composite material with resin; (b) wrapping a core mold, made of PolyMethylMethAcrylimide (PMI), with at least one location to form an elastic layer; wrapping the composite material around the elastic layer and the core mold to form a composite material layer, to form a semi-finished product; (c) placing the semi-finished product into a mold and heating the mold to a predetermined temperature to form internal pressure within the semi-finished product; (d) stopping heating and cooling the semi-finished product to solidify it; (e) removing a pickleball racket from the mold. The pickleball racket forms an integral structure in the order of a core mold, an elastomer layer, and a composite material layer. The pickleball racket is light in weight and has strength and rigidity. The striking surfaces of the pickle racket has hitting elasticity, and shock absorption.

A pickleball racket is provided. The pickleball racket includes a racket handle and a racket body. An end of a racket handle connected to a racket body is provided with at least two first wavy concave-convex structures, which is more conducive to grip and provides good stability, while also provides a shock absorption effect and helps to reduce the impact on a wrist and an arm when swinging the pickleball racket. The racket body is provided with second wavy concave-convex structures corresponding to the first wavy concave-convex structures, which can make the connection between the racket handle and the racket body more stable, while also enhances the structural strength of the pickleball racket. The first wavy concave-convex structures of the racket handle are closely connected to the second wavy concave-convex structures of the racket body, which helps to improve the stability and control performance of the pickleball racket.

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.

The utility model belongs to the technical field of badminton rackets, and particularly relates to a badminton racket which comprises a racket rod and a grip, a racket frame is arranged at one end of the racket rod, a mounting hole matched with the racket rod is formed in the grip, a guide groove is formed in the other side of the mounting hole, a guide part is arranged on the racket rod, and the guide part and the racket frame are arranged on the two sides of the mounting hole respectively. The guide part is matched with the guide groove to limit relative rotation of the racket rod in the mounting hole, and the guide part extends towards the side surface of the mounting hole and prevents the racket rod from being separated from the mounting hole; a mounting hole is formed in the racket rod, a locking piece is movably arranged on the grip, the locking piece can limit the axial movement of the racket rod in the mounting hole, so that the racket rod and the grip are controlled to be relatively fixed, and the badminton racket is convenient to assemble and stable to mount.

An end cap (100) for an athletic appliance, the end cap comprising a base portion (110) and a lateral extension (160) projecting from the base portion (110). The base portion (110) has a bottom surface (130) having a central axis (101) in its normal. A receiving cavity (170) opposite the bottom surface (130) is configured to receive a portion of an athletic appliance. The extension (160) is configured such that during a swing of the sports instrument (700) with a user's hand gripping around the sports instrument portion (700), the extension (160) contacts lateral and upper portions of a fifth proximal phalanx of the user's hand, and the hand is constrained both in lateral and longitudinal aspects while allowing a first metacarpal bone of the hand to rotate away from the central axis.

The utility model discloses a badminton racket for swing correction, which belongs to the technical field of sports auxiliary appliances and comprises a racket rod component, an auxiliary racket surface movably mounted at the upper end of the racket rod component and a front racket surface rotatably mounted on the auxiliary racket surface, and symmetrical return springs are connected between the auxiliary racket surface and the front racket surface. The racket rod assembly comprises a rod body, a grip rotatably installed at the lower end of the rod body and a handheld groove formed in the grip, the auxiliary racket face is movably installed at the upper end of the rod body, the handheld groove can be used for correcting and training the racket holding posture of a player, and the racket can be adjusted by adjusting the racket face and the grip, so that the racket can be used for correcting and training the racket holding posture. The device is suitable for correcting the racket holding posture of the left hand or the right hand, so that the applicability of the device is improved; the rotatable front racket surface is matched with the auxiliary racket surface, so that the device can be used for correcting the racket swinging strength and the racket swinging action of a training player, and the training efficiency of the player is improved.

A racket (2) includes a frame (4), a grip (6), a grommet (10), and a string (12). The frame (4) includes a head (14), a first throat (16a), a second throat (16b), and a shaft (18). A maximum value of a thickness of the frame (4) is less than 26.0 mm. The racket (2) has an in-plane stiffness index Gi of greater than or equal to 5000 and less than or equal to 8000. The in-plane stiffness index Gi is a product of a top pressure stiffness value Git expressed in kgf / cm and a side pressure stiffness value Gis expressed in kgf / cm. The racket (2) has an out-of-plane stiffness index Go of greater than or equal to 45000 and less than or equal to 60000. The out-of-plane stiffness index Go is a product of a throat stiffness value Gos expressed in kgf / cm and a ball-hitting face stiffness value Goh expressed in kgf / cm.

A racket guard formed from a sturdy, durable, lightweight, yet flexible, material, such as a thermoplastic urethane, can be mounted on the distal end of a sports racket without the use of fasteners to protect the frame of the racket from accidental impacts, such as against the playing surface, during use of the sports racket. The cross-sectional shape of the racket guard is an oval configuration with an outer band that overlies the frame and includes side walls and inwardly directed flanges that terminate in a spaced relationship defining a gap through which the frame can pass by flexing the flanges. The racket guard is preferably sized to cover about 180 degrees of the sports racket to provide protection for the sides of the frame. The lightweight racket guard does not serve as a weight or as a dampening device. If damaged, the racket guard is easily removed and replaced.

A sports racquet and removable wrist strap system may include a head, a handle coupled to the head, a flexible tether extending from an end of the handle, a wrist strap, and a wrist strap connector releasably connecting the wrist strap to the flexible tether. The wrist strap connector includes a collar and an insert. The collar is connected to one of the wrist strap and the flexible tether and has an interior having a side opening and a side slot extending from the side opening. The insert is connected to the other of the wrist strap and the flexible tether. The insert is insertable into the interior through the side opening while portions of the wrist strap or the flexible tether are insertable into the interior through the side slot.

A racquet mounting system includes an axial support main bar. A support-head is coupled to a first end of the main bar and is vertical to the main bar. A ratchet is slidably coupled to the main bar, away from the first end of the main bar. The ratchet is vertical to the main bar, and is parallel to the support head. A distance is formed between the ratchet and the support-head for receiving a racket, and to create space for easy string bed access for string weaving. The main bar comprises a main bar-head and a main bar-throat; the main bar-head and the main bar-throat are attached to each other to form the axial support for the support-head and the ratchet.

The utility model relates to automatic forming equipment of a badminton racket, and aims to solve the problems that a carbon fiber cloth strip needs to be folded into a badminton racket shape before the current badminton racket is formed, and then a person needs to manually press the badminton racket in the shape of the carbon fiber cloth strip into a mold, which is troublesome, easy to damage the hands of the person and high in production efficiency. The badminton racket stuffing device comprises a bottom plate, an inverted-U-shaped plate is installed at the top of the bottom plate, a connecting plate is arranged in an inner cavity of the inverted-U-shaped plate, a horizontal driving mechanism is arranged between the connecting plate and the top of the inner cavity of the inverted-U-shaped plate, first push rod motors are installed on the two sides of the top of the connecting plate correspondingly, and the first push rod motors are arranged on the two sides of the top of the connecting plate correspondingly. The carbon fiber cloth strip inserting device has the advantages that the carbon fiber cloth strip folded into the shape of the badminton racket can be inserted into the mold without manual pressing of a person, trouble is saved, the hand of the person cannot be injured, the inserting efficiency is improved, and the badminton racket forming efficiency is greatly improved.

A racquet including a frame including a head portion, a handle portion, and a throat portion. The head portion forms a hoop that defines a string bed plane. The head portion of the racquet being formed of a fiber composite material. When the racquet is tested under the racquet lateral bending test, the racquet has a lateral deflection of at least 6.5 mm when measured in a first direction that is parallel to the string bed plane and perpendicular to the longitudinal axis. When the racquet is tested under a racquet forward / rearward bending test, the racquet has a forward / rearward deflection with respect to the longitudinal axis of less than 7.3 mm when measured in a direction that is perpendicular to the string bed plane and perpendicular to the longitudinal axis.

The utility model discloses a badminton racket with enhanced exoskeleton rigidity, which belongs to a racket in the technical field of sports equipment, and adopts the technical scheme that the badminton racket comprises a racket frame, a first convex thread is arranged on the outer surface of the racket frame; a second convex thread is arranged on the outer surface of the connecting rod; a grip; the racket frame, the connecting rod and the grip are fixedly connected in sequence, and a first protruding thread arranged on the racket frame is arranged on the outer surface of the racket frame; according to the badminton racket with the enhanced external skeleton rigidity, the racket frame and the connecting rod are both provided with the corresponding protruding threads, so that the racket frame has the effects of breaking wind and guiding flow in the racket swinging process and meanwhile has high stability, and similarly, the connecting rod is provided with the protruding threads, so that the stability of the racket frame is improved. And the effect that the hardness of the middle rod is configured differently is achieved, meanwhile, the middle rod is more prone to deformation during batting, and therefore the effect that the racket is more beneficial to being swung in a labor-saving mode is achieved.

The utility model discloses a rough panel with a logo layer and a racket. The rough panel with the logo layer comprises: a carbon cloth layer; and a rough layer arranged on the carbon cloth layer; wherein a logo layer is arranged between the carbon cloth layer and the rough layer, the rough panel is made by die pressing, and the logo layer is embedded in the carbon cloth layer and / or the rough layer. The arrangement of the logo layer between the carbon cloth layer and the rough layer effectively prevents the wear and tear of the logo layer, allowing it to be displayed more effectively.

A racket (1) is provided. The racket (1) comprises a handle (2) and a blade (3). The handle (2) comprises a socket (5) disposed at an end (2') of the handle (2). The socket (5) extends within the handle (2) along a central longitudinal axis (6) of the racket (1). The socket (5) comprises a first magnetic material (7) disposed within the socket (5). The racket (1) further comprises a plug (8) configured to be disposed within the socket (5). The plug (8) comprises a second magnetic material configured to be magnetically attracted to the first magnetic material (7).

The utility model relates to multifunctional sports racket mounting equipment for threading. The multifunctional sports racket mounting equipment comprises a first rod, a second rod, a first sleeve head, a second sleeve head and a sliding lock, one end of the first rod is connected with one end of the second rod, and the other end of the first rod is connected with the first sleeve head; the second sleeve head is placed at the other end of the second rod; the sliding lock is placed on the second rod and used for fixing the second sleeve head to a specific position. According to the system, the distance between the second sleeve head and the first sleeve head is adjusted through sliding of the second sleeve head so as to be matched with the racket head, upper and lower side frames of the racket head can be fixed through the first sleeve head and the second sleeve head, and a racket frame is safely supported during use.

The present application relates to the technical field of racket manufacturing, and discloses a racket manufacturing process, comprising the following steps: cutting the foaming agent, with the cutting length ranging from 670 mm to 690 mm; cutting the carbon cloth, with the cutting length ranging from 680 mm to 700 mm; rolling the foaming preform together with the carbon cloth to obtain a preform strip; and preparing a hollow T head through injection molding, and adding aerogel into the hollow of the T head. The racket made by the present application has more reasonable overall weight distribution, reduced weight at the three-way joint, larger bending when hitting the ball, increased speed of the badminton, and good feeling of the user.

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 utility model provides a foaming middle tube for a badminton racket. The foaming middle tube comprises a racket rod body used for connecting a racket handle and a racket frame connector. The racket rod main body comprises a hollow cylindrical foaming layer and a carbon fiber layer wrapping the surface of the foaming layer, an inner clamping layer is arranged on the inner surface of the foaming layer, and an outer clamping layer is arranged on the surface of the carbon fiber layer. According to the structure, the first clamping part and the second clamping part are arranged at the two ends of the racket rod body respectively, the racket handle and the racket frame connector can be stably connected, looseness in the using process is avoided, meanwhile, the inner clamping layer and the outer clamping layer are arranged on the racket rod body, and when the foaming layer is foamed, the racket rod body is not prone to loosening. According to the badminton racket, the extrusion force between the foaming layer and the carbon fiber layer can be improved, so that the foaming layer and the carbon fiber layer are combined more tightly, the rebound and damping effects are enhanced, and vibration of the badminton racket during batting is reduced.

The utility model relates to a kind of handle sleeve for badminton racket, it mainly includes one long hollow sleeve body made of silica gel material thin material, the hollow sleeve body has a reduced diameter portion with a converging bevel at one end, the other end is the blocking portion with convex ring formed on the inner wall surface of round hole, so that it can completely match handle and prevent falling off;The entire surface of the hollow sleeve body is covered with a rough surface formed by shallow convex lines, and the surface of the hollow sleeve body further forms a spiral pattern, and a plurality of through holes are arranged in a regular or irregular manner. This use achieves the effects of comfortable hand feeling, slip resistance, durability, aesthetics, easy to turn the racket, and so on. Customized printing can be performed on the reduced diameter portion or the entire handle sleeve surface to highlight personal style characteristics.

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.