Patent ID: 7461489

Claim:
A system for screening off an area, comprising a partition element substantially covering a space between two upstanding carrier elements, the partition element being connected to the carrier elements in an unstable preparatory position in which preparatory position the partition element is unable to remain unaided, and from which preparatory position the partition element is pivotable to a fixedly locked position relative to the carrier elements, wherein the partition element includes a lock, each lock comprising a guide section for interlocking engagement with a recess in a respective carrier element of the carrier elements, the guide section being receivable in the recess in a direction of pivoting of the partition element, and each lock comprising a snap catch for retaining the guide section relative to the carrier element and the partition element in the fixedly locked position relative to the carrier elements, the snap catch being depressable during insertion of the guide section in the recess and the snap catch being retractable in the lock by a specially adapted tool, and the snap catch being retractable by a sleeve with a vane on rotating the sleeve with the tool.