Patent ID: 8079326

Claim:
A teatcup liner ( 3 ) adapted to be mounted in a shell ( 2 ) to form a teatcup ( 1 ) to be applied to a teat of an animal, the teatcup liner ( 3 ) defining a length axis ( 4 ), an inner space ( 5 ) for receiving the teat, and an outer side and comprising: a barrel ( 8 ); and an upper head ( 6 ) for receiving the teat, wherein the barrel ( 8 ) has an end portion ( 12 ) with an outer side, and a primary engagement member ( 13 ) arranged on the outer side of the end portion ( 12 ) of the barrel ( 8 ) of the teatcup liner ( 3 ), wherein the primary engagement member ( 13 ) is adapted to be in engagement with a secondary engagement member ( 14 ) arranged on the shell ( 2 ), wherein the primary engagement member ( 13 ), when engaged with the secondary member ( 14 ), is bendable towards the upper head ( 6 ), wherein a hindering member ( 15 ) is arranged on the outer side of the end portion ( 12 ) of the barrel ( 8 ) of the teatcup liner ( 3 ) on a first side of the primary engagement member ( 13 ) being distant from the upper head ( 6 ), the hindering member being spaced apart from the primary engagement member along the outer side of the end portion of the barrel, the hindering member ( 15 ) rendering the primary engagement member ( 13 ) less prone to bend away from the upper head ( 6 ) than to bend towards the upper head, and when the primary engagement member ( 13 ) is engaged with the secondary member ( 14 ), the primary member ( 13 ) is located intermediate the secondary member ( 14 ) and the hindering member ( 15 ).