基本信息:
- 专利标题： 一种尾翼可伸缩的飞镖
- 专利标题（英）：DART HAVING RETRACTABLE FLIGHT
- 申请号：PCT/CN2019/086315 申请日：2019-05-10
- 公开(公告)号：WO2019233243A1 公开(公告)日：2019-12-12
- 发明人： 陈档财
- 申请人： 陈档财
- 申请人地址： 中国福建省厦门市同安区五显镇明溪村后烧西里39号, Fujian 361100 CN
- 专利权人： 陈档财
- 当前专利权人： 陈档财
- 当前专利权人地址： 中国福建省厦门市同安区五显镇明溪村后烧西里39号, Fujian 361100 CN
- 代理机构： 北京崇智专利代理事务所(普通合伙)
- 优先权： CN201810582148.9 20180605
- 主分类号： A63F9/02
- IPC分类号： A63F9/02 ; A63B65/00 ; A63H33/18 ; F42B6/00 ; F42B10/12
A dart having a retractable flight comprises a shaft, a tip (3) provided at a front end of the shaft, and a flight provided at a rear end of the shaft. The flight is movably provided at the shaft. The rear end of the shaft is provided with a flight connection portion (4). The flight comprises a sleeve (5) and multiple vanes (6) provided at the sleeve (5). The flight connection portion (4) is provided with an engagement portion. A position-limiting portion (51) is provided inside the sleeve (5). The flight connection portion (4) is inserted into the sleeve (5). An elastic member (7) is sleeved onto the flight connection portion (4). The elastic member (7) is positioned between the position-limiting portion (51) and the shaft. The flight of the dart is rotatable at the flight connection portion (4), and is retractable. The flight has high impact resistance and long service life.
IPC结构图谱:
| A | 人类生活必需 |
| --A63 | 运动；游戏；娱乐活动 |
| ----A63F | 纸牌、棋盘或轮盘赌游戏；利用小型运动物体的室内游戏；其他类目不包含的游戏 |
| ------A63F9/00 | 在其他类目中不包含的游戏 |
| --------A63F9/02 | .射击或投掷游戏 |