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JPH01172863U |
An improved tennis racket handle pallet 14 formed of polymeric material has durometer hardness such as to render such handle pallet sufficiently soft for absorbing shocks and vibrations but not so soft as to preclude racket indexing, the...
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JPH0140531Y2 |
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JPH01170267U |
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JPH01297086A |
PURPOSE: To obtain a racket frame with a little vibration and impact even when a ball hitting is executed in dislocation from an impact center by causing the back width of a frame part to support a longest longitudinal gut and a longest ...
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JPH01503366A |
PCT No. PCT/AU88/00142 Sec. 371 Date Feb. 28, 1989 Sec. 102(e) Date Feb. 28, 1989 PCT Filed May 13, 1988 PCT Pub. No. WO88/08733 PCT Pub. Date Nov. 17, 1988.A device for positioning a person's hand on the handle of a sporting article suc...
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JPH01161762U |
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JPH0136532Y2 |
A racket, such as a badminton racket, includes a grip 4 having a rigidity gradient which enables energy accumulation in order to provide strong hitting force. The grip 4 has a flared tube 3a or a funnel-like part 5 which increases in dia...
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JPH01274783A |
PURPOSE: To let the movement of the respective section of a racket be reproduced after a swing is over, and thereby make it possible to judge whether or not the swing is acceptable by monitoring the movement of the racket by means of sig...
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JPH01270881A |
PURPOSE: To improve the rebounding characteristic or directivity of a ball by causing the thickness of a throat part in a frame main body to be larger than a grip part and causing a peculiar frequency to almost correspond to a time while...
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JPH0150427B2 |
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JPH0149506B2 |
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JPH0134966Y2 |
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JPH01262878A |
PURPOSE: To provide a tennis racket of making possible to reduce an oscillation and a necessary power for hitting ball toward given a distance by composing of that a numbers of guides and strings stretched around a concave portions of gu...
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JPH01262877A |
PURPOSE: To minimize an impact oscillation at the time of driving a ball propagated to the palm of a human being at a gripping part, to converge a tennis racket in a short time, and to obtain a comfortable ball driven feeling by stringin...
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JPH01249078A |
PURPOSE: To obtain the comfortable ball strike feeling and prevent the generation of sport disease by supporting a mass body onto an elastic chord laid between the opposed walls in noncontact with each side wall in a hollow part formed a...
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JPH01249077A |
PURPOSE: To secure the comfortable ball strike feeling and prevent the generation of sport disease by laminating the gel layers containing silicone gel having a needle penetration degree within a specific range as basic material and mass...
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JPH01232978A |
PURPOSE: To absorb an impact force received by a racket in hitting and to improve the damping capacity of vibration of the racket by sealing liquid or jelly-like substances in proper position such as a frame and/or grip of a material con...
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JPH01135341U |
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JPH01133962U |
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JPH01502559A |
A ventilated and shock absorbing racquet handle (10) for maintaining a cooler, drier grip and therefore, better control during play. The handle (10) includes a rigid tubular member (18) having a plurality of apertures (28) and a pluralit...
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JPH01207084A |
PURPOSE: To obtain a good racket frame having safety and durability, by forming a grip-cap-formed projected section integrally with a shaft section for composing a racket frame. CONSTITUTION: A racket frame 1 has a mechanism for forming ...
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JPH01119661U |
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JPH01198568A |
PURPOSE:To enable performance excellent in strength to a load and constant throughout four seasons, to be retained, by using shape memory alloy for a racket frame. CONSTITUTION:The sort of shape memory alloy used for a racket frame is of...
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JPH01117378U |
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JPH01110336U |
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JPH01185272A |
PURPOSE:To enhance productivity of the racket frame or stick stated in the caption and improve reduction of weight, rigidity and strength thereof in a slim configuration by setting a core covered with reinforcing continuous fibers in a m...
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JPH01185271A |
PURPOSE:To absorb and damp oscillation propagated along a frame remarkably to lighten the grade of fatigue on wrists and arms by installing a cylindrical grip shell body made of hard material along the periphery on the terminal end side ...
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JPH01181881A |
PURPOSE: To adsorb oscillation to propagate to a frame and to decrease the fatigue of a wrist, an arm,etc., by providing a cylindrical grip outer shell body composed of a hard raw material at the circumference of the shaft part terminal ...
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JPH01107369U |
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JPH01166779A |
PURPOSE: To rapidly absorbed vibration caused by impact on hitting a ball to reduce its transfer to hand, by supporting a massive body by an elastic body fixed to a frame at an end and providing the elastic body to damp vibration of the ...
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JPH01501761A |
PCT No. PCT/DE87/00474 Sec. 371 Date Aug. 23, 1988 Sec. 102(e) Date Aug. 23, 1988 PCT Filed Oct. 21, 1987 PCT Pub. No. WO88/03040 PCT Pub. Date May 5, 1988.A racket for tennis or squash has a frame extending around a generally planar hea...
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JPH0129206B2 |
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JPH0180161U |
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JPH01121074A |
PURPOSE: To improve attenuating ability of vibration and fatigue strength of a frame part by mixing a thermosetting long fiber reinforced plastic with a thermoplastic long fiber reinforced plastic. CONSTITUTION: In the structure of a rac...
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JPH0165058U |
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JPH01104282A |
PURPOSE: To easily recognize whether or not the continuous movement of a player is performed without errors by quickly responding to the entire movement of a hitting rod and generating signals perceivable during the entire movement to th...
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JPH0111269Y2 |
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JPS6449275U |
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JPH01500800A |
PCT No. PCT/DE87/00418 Sec. 371 Date May 17, 1988 Sec. 102(e) Date May 17, 1988 PCT Filed Sep. 16, 1987 PCT Pub. No. WO88/01889 PCT Pub. Date Mar. 24, 1988.A racket for ball games, in particular tennis, comprises a stringing system in th...
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JPS6463487A |
PURPOSE: To provide secure grasp without slipping by providing a tubular grip body to cover a tip of a handlebar with a covering on which a plurality of flexible needles extended from an outer cylindrical surface of the tubular body are ...
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JPS6452488A |
PURPOSE: To enlarge moment of inertia round the axis by a little reducing the weight of the tip of a head and the heel part by connecting a structure of supporting an impact surface by use of a light-weighted and hard neck and a grip str...
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JPS6449580A |
PURPOSE: To reduce the ball striking vibration ill-influencing a hand palm to a great extent by furnishing a buffer part in the frame of a tennis racket, installing a buffer layer of gal-form substance in this buffer part in such a way a...
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JPS6437967A |
PURPOSE: To improve the preciseness of shot without being influenced by the flying passage of a ball by providing a design so that the frequency of a dominant vibration mode excited in a racket in play is made to coincide with the ball/r...
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JPS6429278A |
PURPOSE: To improve the grip of a handle to enable a shot characteristic to be changed by providing in the empty part of a handle core a cylindrical hollow part enclosing a replaceable ballast element, and embedding an end piece in a syn...
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JPS6429277A |
PURPOSE: To greatly improve the striking characteristic of a racket by reducing the width of a shaft part from a throat to a handle, and providing the narrowest part at the position of about two-thirds the distance from the free end of t...
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JPS6412561U |
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JPS63318966A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS63317167A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS63200461U |
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JPS63309284A |
In a frame (1') for ball game racquets made of plastic the abrasion and cutting of the guts against the edges of passages in the frame is avoided. For that purpose the frame (1') comprises a center strip (3) of thermoplastic resin, the h...
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