| 摘要 |
The hook part comprises a frame part (2), a fixture component (4), a spring (5) and a console (6). The hook part frame part is provided with a mainly four-sided opening (8). The lock part (30) has an elongated shape and the lock part one end forms a lock component (32) which penetrates the opening (8) in the frame part and whose width (b) corresponds to that of the opening. The frame part is movable and provided with a hand grip (15) for spring-loaded manoeuvring on unlocking, whereby the hook part is freed from the lock part. |
