| 摘要 |
<p>The device (1) has a male part (2) comprising a projecting formation with transverse passage in which an elastically compressible releasable engaging device is mounted. The engaging device is arranged such that opposite ends i.e. balls, of the engaging device are projected from outside of the formation and engaged with corresponding parts of cavity or seat of a female part (3) when the female and male parts are coupled so as to maintain engagement of the male and female parts till the male and female parts are subjected to decoupling stress with intensity greater than predetermined threshold. The male and female parts are made of pressurized molded metal and plastic materials.</p> |
