Patent ID: 7878361

Claim:
A locking device for the fixation of a lid ( 1 ) in an opening of a pressure container with at least two locking segments ( 5 ) that are displaceable at right angles to an axis of the opening, the segments ( 5 ) bear protrusions ( 6 ) and groove-like recesses about an outer circumferential face, which in a locked position cooperate with recesses ( 7 ) and protrusions along a brim ( 8 ) of the opening, a displacement actuator of the segments ( 5 ) is linked to the segments ( 5 ) and to at least one point of application that is on the lid ( 1 ) or on a member ( 3 ) connected to the lid ( 1 ); wherein the segments ( 5 ) are arranged in the direction of the circumference of the lid ( 1 ) and are pivotably supported on the lid ( 1 ) by a swivel arm ( 16 ), separate from the displacement actuator, that is interposed between the segments ( 5 ) and the lid ( 1 ), the swivel arm ( 16 ) in turn is pivotably connected to the segments ( 5 ); and pivotable support of the segments ( 5 ) on the lid ( 1 ) comprises at least one pivotable shaft ( 15 ) or pivot axle ( 14 ) that extend at right angles to displacement movement of the segments ( 5 ).