| 摘要 |
The device is comprised, as usual, of a base body (1) and of two heads (6 and 7) which are provided with respective intercoupled sectors (4 and 5) which are pluggable into the housing defined in the base body (1); the closing device of the invention is characterized in that the press-button (12) mounted in the body (1) and locking and unlocking the heads (6 and 7) incorporates two substantially spaced apart retention teeth (16 and 17), one in a frontal arrangement and the other one in a lateral arrangement, and which actuate on the respective steps (18 and 19) of the sector (4) to which they have accessed by lateral displacement of the press-button (12) itself against the tension of a spring (14) when the plugging of the sectors (4 and 5) of the heads takes place within the base body (1), and can be released when actuating manually and transversely the press-button (12). |
