| 摘要 |
A coupling device for a suction duct, the device comprising: -a female part (10) and -a male part (20) designed to be inserted into the female part (10) as far as a coupling position, the female part (10) comprising at least one female axial stop, the male part (20) comprising at least one male axial stop, -elastic means connected to one of the female axial stop or the male axial stop, characterized in that the device also comprises: -at least one rotary ring (30) comprising an angular cam, designed to be pivoted from a first position in which the elastic means are free to a second position in which the elastic means are constrained by the angular cam. |
