Closure device

A closure device for releasably connecting two parts with each other, comprising

• a first closure member having a rigid first locking protrusion and
• a second closure member which is attachable to the first closure member and in a closed position is held on the first closure member, the second closure member having a rigid second locking protrusion, wherein the second locking protrusion can be brought into engagement with the first locking protrusion in an engagement direction and in the closed position engages the first locking protrusion in a positive locking manner,
• wherein the first closure member comprises a first magnet and the second closure member comprises a second magnet, the first magnet and the second magnet being constituted to magnetically attract each other when the second closure member is attached to the first closure member for closing the closure device, and
• a force application element in the form of a strap or belt attached to the second closure member at a force application location in the vicinity of the second locking protrusion, the force application element being constituted to introduce a force into the second closure member and being adjustably attached to the second closure member in such a way that a length of the strap or belt, being defined as the extension of the strap or belt from the second closure member, is adjusted at the second closure member.