Patent ID: 9404611
Filing Date: 2016-08-02
CPC Classification: F16L

Claim Text:
1. A coupling comprising: a first and a second coupling part being adapted for coupling together and uncoupling along a centre axis (CL) extending through the coupling, an outer surface of the first coupling part comprising at least a recessed helical slot, an inner surface of the second coupling part having at least one projection extending inwards for engagement with the recessed helical slot, wherein the second coupling part comprises a lock socket arrangement being displaceable relatively to a rear portion of the second coupling part along the centre axis, having an inwards projecting portion, at least one lock body arranged in the second coupling part being movably arranged relative to the lock socket arrangement and connected by retention means to the rear portion, the outer surface of the first coupling part comprising a collar for receiving the lock body affected by the inwards projecting portion when the first coupling part and the second coupling part are coupled together, wherein the retention means comprises an inner sleeve about which a lock socket of the lock socket arrangement is displaceably arranged, and wherein the retention means further comprises engagement means transferring rotational movement of the lock socket to the inner sleeve.