| 摘要 |
<p>The device (100) has a shoe (106) including a spur inserted in a slot (104), and a connection unit that is formed of a cylindrical hole (114). The spur is placed in support against an inner wall of a post (102). A runner nozzle (108) is integrated with a runner (110), and includes another connection unit cooperating with the former connection unit to connect the shoe and the nozzle. The connection units are arranged inside the nozzle. The latter connection unit is formed of an axle (112) and a cylindrical hole (120).</p> |
