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JP6263439B2 |
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JP6248635B2 |
Provided is a sensor device including a sensor configured to output a vibration datum by detecting a change in a state of a vibration in a first object when a second object touches the first object, a holding section configured to hold, ...
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JP2017217067A |
To reduce air resistance acting on a racket in swinging and increase rigidity while inhibiting an increase in weight.A racket includes: a grip; an annular frame; a shaft connecting the grip and the frame. Of an outer peripheral surface o...
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JP6241934B2 |
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JP2017211804A |
To provide a cylinder design simulation method capable of efficiently creating a finite element model of a cylinder of fiber reinforced plastic which is formed by curing a prepreg laminated body in a finite element analysis simulation wh...
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JP6196786B2 |
A racket (1) including: a handle (20); an annular frame (11) having a plurality of through holes (13), and a groove section (111) provided on an outer peripheral face (11a) of the frame along a circumferential direction of the frame; a s...
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JP2017523894A |
The present invention relates to a ball hitting tool (1), in particular a tennis, squash or badminton racket, a head having a striking surface formed of a hollow and made of plastic, particularly fiber-reinforced plastic. It has a frame ...
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JP2017523855A |
The tennis racket (1) includes an oval frame (10) that supports the mesh (14). One small hole in the mesh (14) or all small holes (140) are placed between the geometric center (C) of the frame and the vertices (S) of the frame.
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JP6165125B2 |
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JP6163324B2 |
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JP6163352B2 |
A racket (1) includes: a handle (30); a shaft (20); and an annular frame (10). The frame is connected to the handle through the shaft. The frame includes: a central region (12) in a shaft-axial direction along which the shaft extends; a ...
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JP6153197B2 |
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JP6155126B2 |
A racket including: a frame; a handle; a shaft connecting the frame and the handle; and a cap fixed to the handle, the cap supporting a part of the shaft from a circumferential side of the shaft, a shape of the cap in one surface side of...
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JP6148901B2 |
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JP6136920B2 |
A system to analyze vibration data includes circuitry that receives the vibration data, which is generated by a sensor that senses vibration of an object. The circuitry also analyzes the vibration data based on stored predetermined vibra...
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JP2017086861A |
To provide a racket which has light weight and has high linkage property.The racket comprises: a shaft 2 which extends from a grip end to a reception end 21 along a prescribed direction, has a peripheral wall 22 which surrounds a recepti...
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JP6105207B2 |
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JP6093959B2 |
To provide an exercise device which prevents a decrease in portability, has high versatility, can generate power without depending on the conditions in which the exercise device is used such as places where it is used, and can reduce man...
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JP6068297B2 |
One object is to provide a method of forming a metallic appearance of a sports equipment wherein a three-dimensional metallic appearance can be stably formed at low cost. In accordance with one aspect, the present invention provides a me...
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JP6058493B2 |
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JP6053539B2 |
A head 4 of a racket frame has a gut groove 20. The head 4 includes side reinforcing layers 18. Each side reinforcing layer 18 is formed from a prepreg including carbon fibers and a matrix resin. The compressive elastic modulus of the pr...
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JP6050777B2 |
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JP3207638U |
[Subject] Frame protective equipment of a racket which made it possible to detach and attach easily is provided at the same time it protects frame tip portions, such as a badminton racket, with a crack. [Means for Solution] In both right...
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JP6005940B2 |
A racket frame 2 includes a head 4, a shaft 8, and a pair of throats 6 extending from the head 4 to the shaft 8. A flexural rigidity G 15 of the throats 6 in a low load range (from 5 kgf to 15 kgf) is equal to or greater than 600 kgf/mm ...
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JP6003219B2 |
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JP6002208B2 |
The invention relates to a tennis racket including a frame, delimiting a surface strung with cords and forming a screen, and a sleeve extending the frame outside the screen, characterized in that the frame consists of, at least within a ...
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JP5992471B2 |
A racket including: a grip; an annular frame provided with a plurality of through holes extending through from an inner peripheral face to an outer peripheral face; a shaft connecting the grip and the frame; and a grommet to be attached ...
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JP5982817B2 |
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JP5964748B2 |
The inventive fiber manufacturing process is particularly adapted for demanding applications such as sports racquets, including tennis racquets, badminton racquets and other sports applications. Because of the improved strength to weight...
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JP2016521182A |
The sports racket with enhanced damping characteristics has a grommet with a long tube on a number of crossstrings. The inner diameter of the tube is selected to ensure a minimum clearance between the crossstring and the tube that enclos...
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JP5949004B2 |
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JP5948082B2 |
A tennis racket includes a frame that surrounds a hitting face for hitting a ball, wherein a foam material is provided inside two side portions of the frame on opposite sides of a predetermined area of the hitting face, and the two side ...
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JP5941020B2 |
A racquet includes polyester, monofilament racquet string and a frame extending along a longitudinal axis and including a head portion coupled to a handle portion. The head portion includes a hoop having inner and outer peripheral walls....
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JP3204482U |
[Subject] A ball and a shuttlecock can actually be struck and a frame cover for rackets which can perform swinging practice practice in the state where it was actually based is provided. [Means for Solution] It has band form 11 which cov...
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JP5866121B2 |
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JP5863224B2 |
A racquet frame has one or more string holes formed therein and a string bed plane, along which the string holes extend. The racquet frame is preferably formed by providing a frame bearing structure, which is aimed at providing flexural ...
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JP2016025918A |
To provide a fiber manufacturing process particularly adapted for applications such as tennis rackets, badminton rackets and sport rackets for other sports.The inventive fiber, for example, graphite fiber, racket frame is filled with a p...
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JP3201966U |
To provide a racket capable of reducing air resistance at the time of swinging and improving strength. A racket is formed in a frame shape so as to define a shaft 3 extending along a predetermined direction and a stretching space 40 in w...
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JP3201901U |
To provide a racket capable of reducing air resistance at the time of swinging and improving strength. The racket is configured to have a shaft, a frame 3, and a throat 22 between the shaft and the frame 3, and the frame 3 has two inner ...
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JP5778506B2 |
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JP3199333U |
To provide a ball game bat which is excellent in repulsive force at the time of hitting and hitting feeling of a user and can improve strength against breaking. This is a ball game bat 1 having a central portion 20 in which a plurality o...
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JP5755091B2 |
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JP2015107237A |
To analyze a contact phenomenon between objects, with a simpler configuration.There is provided an analyzer comprising: an acquisition unit for acquiring vibration data showing vibration generated in a first object by a second object con...
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JP2015084964A |
To provide a training tool to make it easy to learn correct return of the wrist by enabling a grip part to be gripped easily, and enabling the grip part to be rotated more easily than ordinary rackets, baseball bats, etc.A grip assisting...
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JP5707888B2 |
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JP5685443B2 |
In a method for the production of a molded part based on a plastic profile reinforced by incorporated fibers, with the plastic profile being heated and deformed by means of an outer or inner mold, respectively, the plastic profile is pro...
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JP3195899U |
To provide a protective tape for sports equipment which protects an edge portion of a frame tip such as a badminton racket from scratches and at the same time has high decorativeness. A protective layer 2, a decorative layer 3, a base ma...
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JP3195884U |
To improve the hold feeling at the time of grip and from the hand at the time of swing or use by fitting the tool at different grip positions depending on the physique, play style, habit, usability, etc. of the user of the tool such as a...
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JP2015503996A |
A sports racket having a racket body with a racket head is provided. The racket head has a frame having a substantially rectangular face shape with properly rounded corners. The frame has string mounting positions in a predetermined stru...
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JP2015008890A |
To provide a badminton racket frame capable of improving swing feeling.A badminton racket frame includes: a ball hitting part 1 having a front end 1a and a rear end 1b and an annular shape in a plane view; a shaft part 2 connected to the...
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