Linear guide device with preload-adjustment device

A linear guide device, comprising a guide rail system with at least one guide rail;

• a guide carriage guided on said guide rail system in a guidance direction and including a base unit and legs which partially enclose said guide rail system, said guide carriage being provided with at least one preload-adjustment device via which a preload of said legs of guide carriage against said guide rail system is adjustable, said preload-adjustment device including at least one first rod having one end hingedly mounted on one of said legs of said guide carriage and the other end displaceable in a displacement direction;
• and a displacement device for displacing said other end of said preload-adjustment device in the displacement direction, wherein said displacement device includes a screw which bears against an element selected from the group consisting of said base unit of said guide carriage and an engagement part, and engages in a thread formed in an element selected from the group consisting of said engagement part and said base unit of said guide carriage, and further comprising at least one second rod provided between said engagement part and said base unit and forming a knee joint together with said at least one first rod and said engagement part.