| 摘要 |
A securing device for a closure member 14, for example a window, has a pair or cam means 16, 34, one on the closure member 14 the other on the support or frame 12, which engage each other on closing the closure member. A further pair of means 17, 36 may be provided spaced from the first pair, the cam means 34, 36 being provided at either end of elongate member 33. |
