| 摘要 |
<p>A lock in the form of a night latch comprising a spring and an elongated member connected to the spring. A head is provided on the elongated member. Fixing means are provided to mount the spring on a receiving device, and a securing device is provided with which the head can be engaged in use in a manner such that some distortion of the spring can occur with the head remaining in engagement with the securing device, but so that the head can be completely disengaged from said securing device if desired.</p> |
