Title:
PITCHING TRAINING TOOL
Document Type and Number:
WIPO Patent Application WO/2021/106776
Kind Code:
A1
Abstract:
The present invention is a pitching training tool that is provided with: a hollow ball (2); a shaft (3); and fins (4), wherein: the ball (2) is attached at one end of the shaft (3); the fins (4) are attached at the other end of the shaft (3); and the ball (2) and the fins (4), with the shaft (3) therebetween, are separated by a distance that is greater than or equal to the sum of the diameter (D2) of the ball (2) and the length (L4) of the fins (4).
Inventors:
FUJITA TAKESHI (JP)
Application Number:
PCT/JP2020/043358
Publication Date:
June 03, 2021
Filing Date:
November 20, 2020
Export Citation:
Assignee:
SMILEPLANNER INC (JP)
International Classes:
A63B39/00; A63B43/00; A63B69/00
Foreign References:
| US20190262683A1 | 2019-08-29 | |||
| US20170001088A1 | 2017-01-05 | |||
| JPH0242663U | 1990-03-23 | |||
| JP2003019237A | 2003-01-21 | |||
| JPS59193464U | 1984-12-22 | |||
| JP3058512U | 1999-06-18 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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