Supporting stand for multiple screens

Abstract

A supporting stand for multiple screens includes a frame and a movable module. The frame is disposed on a working surface and having a track module. The track module has two tracks, where one of the tracks has a restricting surface extended along a first direction, and the other track has a restricting surface extended along a second direction. The movable module has a pair of movable units for supporting a pair of screens and movably engaging the tracks. Each movable unit has a sliding component having a contacting surface. The shape of the two contacting surfaces conforms in shape to the two restricting surfaces. The two contacting surfaces respectively contact the two restricting surfaces for enabling the two contacting surfaces to be movable respectively along the first direction and the second direction.

What is claimed is:  
     
         1 . A supporting stand for multiple screens, comprising:
 a frame for disposing on a working surface and having a track module,   wherein the track module has two tracks, one of the tracks has a restricting surface extended along a first direction, and the other track has a restricting surface extended along a second direction; and   a movable module having two movable units engageable to the respective tracks to support two screens,   wherein each movable unit has a sliding component having a contacting surface, the shape of the two contacting surfaces are respectively conforming to the shape of the two restricting surfaces, and the two contacting surfaces respectively contact the two restricting surfaces for enabling the two contacting surfaces to move respectively along the first direction and the second direction.   
     
     
         2 . The supporting stand for multiple screens as claimed in  claim 1 , wherein each movable unit has a fixing component abutted to the sliding component and the corresponding track in allowing the sliding component to fix selectively at a position 
     
     
         3 . The supporting stand for multiple screens as claimed in  claim 2 , wherein each track has a plurality of positioning holes substantially vertically spaced thereon, and each fixing component selectively passes through one of the positioning holes of the respective track. 
     
     
         4 . The supporting stand for multiple screens as claimed in  claim 3 , wherein each sliding component has a fixing plate defining a penetrating hole, and each fixing component passes through the penetrating hole of the respective fixing plate. 
     
     
         5 . The supporting stand for multiple screens as claimed in  claim 3 , wherein the positioning holes of the two tracks are respectively spaced along the first direction and the second direction, and the positioning holes are respectively formed on the surfaces of the two tracks proximate to the sliding components. 
     
     
         6 . The supporting stand for multiple screens as claimed in  claim 1 , wherein each sliding component has at least one sliding block, and the sliding directions of the sliding blocks of the two sliding components are respectively parallel to the first direction and the second direction. 
     
     
         7 . The supporting stand for multiple screens as claimed in  claim 6 , wherein the restricting surface of each track defines a restricting trough, the outer surfaces parallel to the first direction and the second direction respectively of the sliding blocks of the two sliding components are defined as the two contacting surfaces, and the sliding blocks of the two sliding components are respectively movably disposed in the restricting troughs of the two tracks. 
     
     
         8 . The supporting stand for multiple screens as claimed in  claim 7 , wherein the cross-sections of the restricting troughs and the corresponding sliding blocks respectively perpendicular to the first direction and the second direction are approximately T-shaped. 
     
     
         9 . The supporting stand for multiple screens as claimed in  claim 7 , wherein the restricting troughs are dovetail-shaped, and the sliding blocks are dovetail-shaped to mate matchingly with the restricting troughs. 
     
     
         10 . The supporting stand for multiple screens as claimed in  claim 6 , wherein each track has a lateral surface, the two restricting surfaces are respectively concavely formed along the first direction and the second direction on the lateral surfaces of the two tracks, wherein each sliding component has a lateral surface and the sliding block is formed thereon, wherein the outer surfaces parallel to the first direction and the second direction respectively of the sliding blocks of the two sliding components are defined as the contacting surfaces, and wherein the lateral surface of each sliding component conforms in shape to the lateral surface of respective track. 
     
     
         11 . The supporting stand for multiple screens as claimed in  claim 10 , wherein the lateral surface of each sliding component and the lateral surface of the respective track are planar and flushed to each other. 
     
     
         12 . The supporting stand for multiple screens as claimed in  claim 10 , wherein each restricting surface has a pair of first restricting segments and a second restricting segment formed concavely on the lateral surface of respective track, wherein the first restricting segments are connected between the lateral surface and the second restricting segment, wherein each contacting surface has a pair of first contacting segments contacting the first restricting segments and a second contacting segment contacting the second restricting segment. 
     
     
         13 . The supporting stand for multiple screens as claimed in  claim 12 , wherein the cross-sections of the second restricting segments respectively perpendicular to the first direction and the second direction are approximately C-shaped. 
     
     
         14 . The supporting stand for multiple screens as claimed in  claim 12 , wherein the first restricting segments of each track are parallel to each other. 
     
     
         15 . The supporting stand for multiple screens as claimed in  claim 1 , wherein each sliding component has a pivoting portion having a lateral surface connected to the contacting surface, wherein each movable unit has a pivoting assembly, and wherein one end of each pivoting assembly is pivotally disposed on the pivoting portion of the respective sliding component, and the other end is used for supporting the screen. 
     
     
         16 . The supporting stand for multiple screens as claimed in  claim 1 , wherein the first direction is parallel to the second direction. 
     
     
         17 . The supporting stand for multiple screens as claimed in  claim 1 , wherein the frame has a plate and the two tracks are respectively extended from opposite sides of the plate. 
     
     
         18 . The supporting stand for multiple screens as claimed in  claim 1 , wherein the track module further has an auxiliary track having a restricting surface extended along a third direction, wherein the movable module further has an auxiliary movable unit for supporting a screen, wherein the auxiliary movable unit has an auxiliary sliding component having a contacting surface, and wherein the contacting surface of the auxiliary sliding component is in contact with the restricting surface of the auxiliary track to move along the third direction. 
     
     
         19 . The supporting stand for multiple screens as claimed in  claim 18 , wherein the frame has a plate and two of the tracks are respectively extended from opposite sides of the plate, and wherein the other track is arranged on the center portion of the plate. 
     
     
         20 . The supporting stand for multiple screens as claimed in  claim 18 , wherein the first direction, the second direction, and the third direction are parallel to one another.