Patent ID: 7677509

Claim:
A monitor stand comprising: a base; a stand body supported by the base; a stand top assembly pivotably supported by the stand body; an upper hinge assembly provided with a rotating shaft, the upper hinge being configured to pivotably connect the stand body to the stand top assembly; a top slide configured to slide along the stand top assembly and to have a monitor mounted thereon; a first elastic member supported on the stand top assembly, the first elastic member being configured to impart an upward elasticity to the top slide; and a locking unit operated automatically when the stand top assembly is pivoted, being configured to restrict a sliding of the top slide with respect to the stand top assembly when the stand top assembly is pivoted from a vertical position to beyond a predetermined angle, wherein the top slide is configured to slidably move in a vertical direction with respect to the base, and wherein the locking unit includes a cam fixed to the rotating shaft, a cam follower contacting the cam at a lower portion thereof and capable of moving vertically according to a rotation of the cam, and guided nearer to or farther from the top slide according to the vertical movement, the cam follower including a moving rack formed facing the top slide, and a fixed rack formed on the top slide facing the moving rack, the fixed rack being configured to cease to rise when engaged to the moving rack.