| 摘要 |
<p>A male key 7, 8, 9, 10 and female keyway mechanism 3, 4, 5, 6 designed to be integrated into a fitness weight system. The system will preferably have corresponding male and female patterns which are utilised to ensure that only matching patterns can be integrated together. The two parts will only integrate if the male key pattern are the correct dimension, orientation and location to allow fitment of the female keyway.</p> |
