Patent ID: 7543787

Claim:
A monitor holder for providing stable support, comprising: a fixing frame; a bracing device; and a support frame for coupling with said fixing frame so as to couple said fixing frame with said bracing device; said support frame comprising an upper hook plate and a lower hook plate respectively on an upper end and a lower end, said lower hook plate having a hook part; said bracing device comprising a bracing frame, a coupling plate, a control means and a hook plate, said bracing frame having a recessed part on an upper end and a frame hole on a lower end, said bracing device having at least one elongated hole formed under said frame hole, said coupling part being attachable to said bracing frame, said coupling plate comprising a crossing part, a protruding part and a connecting plate, said crossing part being held in and coupled with said recessed part of said bracing frame, said protruding part being inserted into said frame hole of said bracing frame, said connecting plate extending from the lower end of said coupling plate being inserted into a holding slot, said connecting plate having a retention device and a through hole, said control means having an operation part on the outside, said control means also having two first shaft parts and a positioning dowel on the inside, said hook plate having a hook part, two through openings and a positioning hole, said hook plate having a multistage slot on an upper edge; and said two first shaft parts and said positioning dowel of said control means being inserted through said through hole, said two through openings and said positioning hole so that said two first shaft parts are leftward or rightward shiftable within said two elongated holes that have fixed lengths, two smaller-diameter second shaft parts being mounted respectively on edges of said two first shaft parts for securely positioning in said two through openings, said positioning dowel being designed to be positioned in said positioning hole so that when said operation part of said control means is shifted, said two first shaft parts of said control means are shiftable in said elongated holes so as to drive said hook plate leftward or rightward by said second shaft parts.