Patent ID: 6910719

Claim:
A connecting device ( 20 ) for connecting a connection hose or connection tube to a receiving device ( 1 ), wherein the receiving device ( 1 ) has at least one detent element ( 11 ) that is actuatable by means of at least one actuating element ( 13 ), provided on the outside of the receiving device, having a tubular connection neck ( 2 ), which is connectable to the connection hose or connection tube and which has a detent lug ( 10 ) or detent groove that can be brought into engagement with the detent element ( 11 ) of the receiving device ( 1 ), characterized by an actuating sleeve ( 28 ) for actuating the actuating element ( 13 ) of the receiving device ( 1 ), and a support sleeve ( 38 ), which is braced on the receiving device ( 1 ) and is axially displaceable relative to the actuating sleeve ( 28 ), prestressing a first spring ( 44 ).