| 摘要 |
<p>A dart has two or more parts which are held together in normal use by magnetic means. This enables the parts to be separated easily for storage or replacement whilst maintaining a stable connection in use. In one embodiment a dart has a shaft (1) with threaded spigot (2) to engage a dart barrel (not shown) and a plain bore (3) with a magnet (4) in the base. A flight holder (5) has a spigot (9) with at least the end (10) being magnetically attractive to magnet (4). The arrangement avoids the need for precision matching or machinery of the spigot (9) and bore (3) to provide a stable fit. Removal is made easier due to lack of frictional binding.</p> |
