Independently adjustable height work support

Abstract

A portable and independently adjustable height work support device that among other uses, can be used as a portable sawhorse or as an adjunct to scaffolding in home and commercial applications. This device can be made out of wood or any other suitable materials such as plastic, fiberglass or metal. Some of the unique elements are that the vertical extensions enable the sides of the working surface to be adjusted evenly or independently at an angle. The apparatus comprises a base unit and an upper unit which comprises a horizontal member pivotally attached on both ends to vertical members that can be locked into the base unit at various heights. These vertical members are attached to the lower base using pegs or their equivalent such as screws or wedges if desired. The lower base also comprises upper and lower cross members that provide stability. For added stability, the vertical members slide up and down within the top portion of the leg assembly. Further, having a wider top, allows for more stability, and the ability of the user to use one saw horse only at times and also gives the user the ability to stand on the apparatus and use it as a scaffold. This invention also relates to a kit for making the independently adjustable height work support apparatus.

1 . An independently adjustable height work support comprising: 
 a—One or more longitudinal pieces of material;    b—Said pieces of longitudinal material attached to each other using glue or other commonly available fasteners to form top;    c—A first top base with a hole drilled at each end;    d—A second top base with a hole drilled at each end;    e—one or more top base braces;    f—said top base braces are equidistantly spread and are sandwiched and attached to the top bases along the top bases wide side thus forming a top horizontal base unit;    g—said top loosely place on the top horizontal base unit;    h—a first vertical extension with thickness equal to or less than the top base braces;    i—said first vertical extension having one or more holes in it;    j—two top pegs;    k—Said first vertical extension is pivotally attached to the first end to the top bases by sliding the peg through the end hole of the first top base then through the top hole on the end of the vertical extension then through the hole on the second top base, and sandwiched between the two top bases;    l—A second vertical extension with thickness equal to or less than the top base braces;    m—said second vertical extension having one or more holes in it;    n—Said second vertical extension is pivotally attached to the second end of the top bases and sandwiched between the two top bases thus forming the top base assembly;    o—A first lower base;    p—A second lower base;    q—One or more lower base spacers;    r—said lower base braces are equidistantly spread and are sandwiched and attached to the lower bases along the lower bases' wide side to form the lower base assembly;    s—a plurality of legs;    t—said legs being slightly wider than the vertical extension;    u—each of said legs is connected at one end to each of the four lower corners of the lower base assembly at an angle using commonly available fasteners such as glue and/or screws to form the leg assembly;    v—four upper cross members;    w—said cross members attached on the top inside and outside portions of said leg assembly;    x—said vertical extensions inserted between said lower base assembly in such a way as to allow up and down motion of the top base assembly;    y—two lower pegs;    z—said vertical extensions are locked in place in the lower base assembly by inserting the lower pegs through the hole in one end of the lower base, then through the desired hole in the vertical extension then through the hole in the other lower base for each of the two said vertical extensions, hence the to base unit is supported.    
   
   
       2 . The independently adjustable height work support of  claim 1  further comprising 
 a—two lower cross members;    b—said lower cross members attached at any point below the top cross members and on the inside portion of the leg assembly;    
   
   
       3 . The independently adjustable height work support of  claim 2  further comprising a plurality of lower cross members attached on the outside and/or inside of the said leg assembly.  
   
   
       4 . The independently adjustable height work support of  claim 1  further comprising end caps attached at each end of said top base assembly.  
   
   
       5 . The independently adjustable height work support of  claim 1  further comprising multiple top base assemblies with vertical extensions, such that the length of the vertical extensions, and the width of the tops is different for each of the top base assemblies. This allows the user to select the top base assembly that best fits their needs.  
   
   
       6 . The independently adjustable height work support of  claim 1  where multiple tops of varying widths are available that can be attached individually using commonly available fastening techniques.  
   
   
       7 . As a manufacture, a kit for use with pre-dimensional pieces of wood to form the independently adjustable height work support described in any of the previous claims; and a means for assembling the pieces of wood using commonly available fasteners.  
   
   
       8 . As a manufacture, a kit for use precut pieces of wood to form the independently adjustable height work support described in any of the previous claims; and a method for fastening the pieces together using commonly available fasteners.