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A high lift system for an aircraft includes a basic body, a flap which is movably mounted on the basic body and has a flap edge, and a retaining element. The high lift system is set up to form a gap between the flap edge and the basic body. The retaining element is mounted on a region of the flap cl

A high lift system for an aircraft includes a basic body, a flap which is movably mounted on the basic body and has a flap edge, and a retaining element. The high lift system is set up to form a gap between the flap edge and the basic body. The retaining element is mounted on a region of the flap close to the flap edge and extends towards the basic body to restrict the distance between the flap edge and the basic body. The retaining element is preferably configured as a linear attachment means. Consequently, a gap dimension between a flap and a basic body can be influenced to restrict flexing effects during loading of the flap and of the basic body.

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1. A high lift system for an aircraft, the high lift system comprising: a base body;a flap movably mounted on the base body and having a flap edge;a retaining element, anda displacement device configured to secure the retaining element at a first end of the retaining element and to provide a second

1. A high lift system for an aircraft, the high lift system comprising: a base body;a flap movably mounted on the base body and having a flap edge;a retaining element, anda displacement device configured to secure the retaining element at a first end of the retaining element and to provide a second end of the retaining element extending away from the displacement device,wherein the flap system is set up to form a gap between the flap edge and the base body,wherein the retaining element is mounted on a region of the flap close to the flap edge and extends towards the base body to restrict the distance between the flap edge and the base body such that the flap edge can be pulled or flexed or both pulled and flexed by the retaining element in the direction of the base body,wherein the distance between the flap edge and the base body is adjustable, andwherein the base body is a wing of an aircraft and the flap is a flap arranged on a leading edge of the wing, andwherein the retaining element is a linear attachment means and the displacement device comprises a rotatably mounted winding body for winding up the retaining element. 2. The high lift system according to claim 1, wherein the displacement device is arranged in the base body. 3. The high lift system according to claim 1, further comprising a movement means coupled to the winding body and configured to rotate the winding body. 4. The high lift system according to claim 3, wherein the movement means is a spring element. 5. The high lift system according to claim 3, wherein the movement means is an actuator. 6. The high lift system according to claim 1, wherein the retaining element is selected from a group of retaining elements, the group consisting of: wire rope;braided fibre composite with fibres on an organic and inorganic basis;mixture of wire rope and fibres on an organic and inorganic basis. 7. A method for influencing the high lift characteristics of an aircraft, the method comprising: extending a high lift flap of the aircraft from a retracted position into an extended position, wherein the high lift flap has a flap edge which, with a base body, forms a gap between the flap edge and the base body in the extended position of the high lift flap; andpulling or flexing or both pulling and flexing the flap edge in the direction of the base body by a linear attachment means extending between the flap edge and the base body for adjusting the distance between the flap edge and the base body, the linear attachment means secured at a first end thereof by a a rotatably mounted winding body and having a second end thereof extending away from the rotatably mounted winding body,wherein the base body is a wing of an aircraft and the flap is a flap arranged on a leading edge of the wing. 8. The method according to claim 7, further comprising: extending the linear attachment means by the rotatably mounted winding body when the high-lift flap is extended. 9. The method according to claim 8, wherein the retraction or extension of the linear attachment means comprises winding onto or unwinding from the rotatably mounted winding body. 10. The method according to claim 7, further comprising: retracting the high lift flap into a retracted position; andretracting the linear attachment means.