Adjustable Table with Stable Leg Base

Abstract

An adjustable table with stable leg base includes a table top, two adjustable leg frames supporting the table top on two ends thereof respectively, two leg bases supporting the two adjustable leg frames respectively, and a control crank adjusting a length of the two adjustable leg frames, wherein each of the leg bases includes a middle body portion and two triangle end body portions which are extended from two ends of the middle body portion respectively and with decreasing cross-sectional areas, wherein each two adjustable leg frames are mounted on the middle body portion of each two leg bases respectively.

What is claimed is: 
     
         1 . An adjustable table with stable leg base, comprising:
 a table top,   two adjustable leg frames supporting said table top on two ends thereof respectively,   two leg bases supporting said two adjustable leg frames respectively, and   a control crank adjusting a length of said two adjustable leg frames,   wherein each of said leg bases comprises a middle body portion and two triangle end body portions which are extended from two ends of said middle body portion respectively and with decreasing cross-sectional areas, wherein each two adjustable leg frames are mounted on said middle body portion of each two leg bases respectively.   
     
     
         2 . The adjustable table with stable leg base, as recited in  claim 1 , wherein each of said leg bases has a stable arch configuration having an arch shaped top surface, wherein each top surfaces of each two triangle end body portions are respectively inclined downward from two ends of a top surface of said middle body portion so as to form said arch shaped top surface of said stable arch configuration. 
     
     
         3 . The adjustable table with stable leg base, as recited in  claim 1 , wherein each of said leg bases further comprises two cylindrical end supports, wherein said cylindrical end support is transversely and integrally extended from said triangle end body portion. 
     
     
         4 . The adjustable table with stable leg base, as recited in  claim 2 , wherein each of said two leg bases further comprises two cylindrical end supports and said cylindrical end support is transversely and integrally extended from said triangle end body portion. 
     
     
         5 . The adjustable table with stable leg base, as recited in  claim 3 , wherein each of said leg bases further comprises two adjusting member adjusting a height of said table top and connected to said corresponding cylindrical end support. 
     
     
         6 . The adjustable table with stable leg base, as recited in  claim 4 , wherein each of said leg bases further comprises two adjusting member adjusting a height of said table top and connected to said corresponding cylindrical end support. 
     
     
         7 . The adjustable table with stable leg base, as recited in  claim 1 , wherein each of said leg bases has a stable arch configuration formed by said middle body portion and said two triangle end body portions and having a prismatic shaped top surface, wherein each two triangle end body portions have prismatic top surfaces respectively inclined downward from two ends of a top surface of said middle body portion so as to form said prismatic shaped top surface of said stable arch configuration with said top surface of said middle body portion. 
     
     
         8 . The adjustable table with stable leg base, as recited in  claim 7 , wherein each of said leg bases further comprises an cylindrical end support and a wheel component, wherein said cylindrical end support is transversely and integrally extended from one end of said triangle end body portion and said wheel component is extended from other end of said triangle end body portion. 
     
     
         9 . The adjustable table with stable leg base, as recited in  claim 8 , wherein said wheel component comprises a wheel frame and a wheel, wherein said wheel frame is extended from said second triangle end portion and said wheel is ratable connected to said wheel frame. 
     
     
         10 . The adjustable table with stable leg base, as recited in  claim 7 , wherein a length of one leg base of said two leg bases is longer than the other one of said two leg bases. 
     
     
         11 . The adjustable table with stable leg base, as recited in  claim 1 , wherein each of said adjustable leg frame has an octahedral configuration having an octahedral cross section. 
     
     
         12 . The adjustable table with stable leg base, as recited in  claim 1 , wherein each of said adjustable leg frame further comprises a first leg support and a second leg support disposed inside of said first leg support and is slidable along inside of said first leg support under control of said control crank. 
     
     
         13 . The adjustable table with stable leg base, as recited in  claim 12 , wherein each first leg supports and each second leg supports have octahedral cross sections. 
     
     
         14 . The adjustable table with stable leg base, as recited in  claim 12 , wherein said first leg support further comprises four primary walls and four auxiliary walls, wherein each of said primary walls of said first leg support is extended from said adjacent auxiliary walls of said first leg support, wherein each of said primary walls of said first leg support is arranged at intervals with each other and said auxiliary walls of said first leg support is arranged at intervals with each other. 
     
     
         15 . The adjustable table with stable leg base, as recited in  claim 12 , wherein said second leg support further comprises four primary walls and four auxiliary walls, wherein each of said primary walls of said second leg support is extended from said adjacent auxiliary walls of said second leg support, wherein each of said primary walls of said second leg support is arranged at intervals with each other and said auxiliary walls of said second leg support is arranged at intervals with each other. 
     
     
         16 . The adjustable table with stable leg base, as recited in  claim 15 , wherein an outer surface of said primary walls of said second leg support is contacted to an inner surface of said primary walls of said first leg support. 
     
     
         17 . The adjustable table with stable leg base, as recited in  claim 12 , wherein each of said adjustable leg frame further comprises two fastening member respectively mounted outside of said first leg support. 
     
     
         18 . The adjustable table with stable leg base, as recited in  claim 1 , wherein said adjustable table with stable leg base further comprises a reinforce member connected between said two adjustable leg frames. 
     
     
         19 . The adjustable table with stable leg base, as recited in  claim 12 , wherein said adjustable table with stable leg base further comprises a reinforce member connected between said two adjustable leg frames. 
     
     
         20 . The adjustable table with stable leg base, as recited in  claim 19 , wherein two ends of said reinforce member are respectively connected to upper positions of said two first leg supports.