Title:
RACKET
Document Type and Number:
Japanese Patent JP2016221148
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve swinging through with a racket.SOLUTION: The racket includes: a shaft; a frame which is joined to one end side in the longitudinal direction of the shaft and which has a hitting face formed by stretching a plurality of vertical strings parallel to the longitudinal direction with spaces apart in the width direction orthogonal to the longitudinal direction and by stretching a plurality of lateral strings parallel to the width direction with spaces apart in the longitudinal direction; and a grip which is joined to the other end side in the longitudinal direction of the shaft. There is an opening part in the joined part of the shaft and the frame and, of the plurality of the vertical strings, the first vertical string closest to the center in the width direction in the hitting face and the second vertical string are folded in the opening part. The third vertical string that is adjacent to the outer side relative to the first vertical string and, the fourth vertical string that is adjacent to the outer side relative to the second vertical string are folded on the outer peripheral face of the frame.SELECTED DRAWING: Figure 1
Inventors:
KAWABATA MASAHITO
HANAWA RYOICHI
FUJINAKA WATARU
NAGASAWA YASUSHI
HANAWA RYOICHI
FUJINAKA WATARU
NAGASAWA YASUSHI
Application Number:
JP2015113155A
Publication Date:
December 28, 2016
Filing Date:
June 03, 2015
Export Citation:
Assignee:
YONEX CO LTD
International Classes:
A63B49/03
Domestic Patent References:
| JPS5626171U | 1981-03-10 | |||
| JPS4988847U | 1974-08-01 | |||
| JPS62137062U | 1987-08-28 | |||
| JPS52167359U | 1977-12-19 | |||
| JPS50108034A | 1975-08-26 | |||
| JP2000189544A | 2000-07-11 |
Foreign References:
| US5779572A | 1998-07-14 |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation