Title:
DART AND SHAFT FOR DART
Document Type and Number:
WIPO Patent Application WO/2022/018886
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide: a dart that can be used such that a flight is allowed rotate on a shaft or such that rotation of the flight is restricted; and a shaft for the dart. A dart (1) that comprises a barrel (3), a tip (2) that can be attached to the barrel (3), a shaft (4) that can be attached to the barrel (3), and a flight (5) that can be attached to the shaft (4). The dart (1) can switch between a first state and a second state. In the first state, the flight (5) is attached to the shaft (4) so as to be allowed to rotate. In the second state, the flight (5) is attached to the shaft (4) such that the rotation is restricted.
Inventors:
MORIKAWA YOHEI
SHIRAISHI TAKEHIRO
MINOYAMA OSAMU
SHIRAISHI TAKEHIRO
MINOYAMA OSAMU
Application Number:
PCT/JP2020/048958
Publication Date:
January 27, 2022
Filing Date:
December 25, 2020
Export Citation:
Assignee:
MIYAKE HIGH TECH JAPAN CO LTD (JP)
International Classes:
A63B65/02
Domestic Patent References:
| WO2010054412A2 | 2010-05-14 |
Foreign References:
| US4842285A | 1989-06-27 | |||
| JP2008264192A | 2008-11-06 | |||
| JP2011110413A | 2011-06-09 | |||
| US20160231092A1 | 2016-08-11 |
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
Download PDF: