Rebar Chair

Abstract

A rebar chair having rebar seats in the top, bottom, left side, right side, first end, and second end. The rebar chair has a first distance between the sides, a second distance between the top and bottom, and a third distance between the ends. The rebar seat in the top has a first height, the rebar seat in the left side has a second height, and the rebar seat in the first end has a third height so that the rebar chair can provide at least three different support heights depending on the orientation. The bottom rebar seat may have the first height, the right side rebar seat may have the second height, and the second end rebar seat may have the third height. Each side includes at least one an engagement feature that enables the rebar chair to be stacked with and/or connected to an adjacent rebar chair.

What is claimed is: 
     
         1 . A rebar chair comprising:
 a body having a top, a bottom opposite the top, a left side, a right side opposite the left side, a first end, and a second end opposite the first end, the body has a first distance between the left and right sides, a second distance between top and bottom, and a third distance between the first and second ends;   a first recessed rebar seat along a centerline of the top;   a second recessed rebar seat along a centerline of the left side; and   a third recessed rebar seat along a centerline of the first end.   
     
     
         2 . The rebar chair of  claim 1 , wherein the first distance is less than the second distance and the second distance is less than the third distance. 
     
     
         3 . The rebar chair of  claim 2 , wherein the first recessed rebar seat has a first height from the bottom, wherein the second recessed rebar seat has a second height from the right side, and wherein the third recessed rebar seat has a third height from the second end. 
     
     
         4 . The rebar chair of  claim 3 , wherein second height is less than the first height and wherein the first height is less than the third height. 
     
     
         5 . The rebar chair of  claim 4 , further comprising:
 at least one first engagement feature on the top configured to engage an engagement feature of an adjacent rebar chair;   at least one second engagement feature on the bottom configured to engage an engagement feature of an adjacent rebar chair; and   at least one third engagement feature on the left side configured to engage an engagement feature of an adjacent rebar chair.   
     
     
         6 . The rebar chair of  claim 5 , further comprising at least one fourth engagement feature on the right side configured to engage an engagement feature of an adjacent rebar chair;
 at least one fifth engagement feature on the first end configured to engage an engagement feature of an adjacent rebar chair; and   at least one sixth engagement feature on the second end configured to engage an engagement feature of an adjacent rebar chair.   
     
     
         7 . The rebar chair of  claim 6 , wherein the at least one first engagement feature, the at least one third engagement feature, and the at least one fifth engagement feature further comprise a protrusion and wherein the at least one second engagement feature, the at least one fourth engagement feature, and the at least one sixth engagement feature further comprise a recess. 
     
     
         8 . The rebar chair of  claim 6 , further comprising:
 a fourth recessed rebar seat aligned with a centerline of the bottom;   a fifth recessed rebar seat aligned with a centerline of the right side; and   a sixth recessed rebar seat aligned with a centerline of the second end.   
     
     
         9 . The rebar chair of  claim 8 , wherein the fourth recessed rebar seat has a fourth height from the top, wherein the fifth recessed rebar seat has a fifth height from the left side, and wherein the sixth recessed rebar seat has a sixth height from the first end. 
     
     
         10 . The rebar chair of  claim 8 , wherein the fourth height differs from the first height, wherein fifth height differ from the second height, and wherein the sixth height differs from the third height. 
     
     
         11 . A rebar support system comprising:
 a first rebar support, wherein the first rebar support has a first orientation that positions a first rebar seat a first height off a surface, a second orientation that positions a second rebar seat a second height off the surface, and a third orientation that positions a third rebar seat a third height off the surface; and   a second rebar support, wherein the second rebar support has a first orientation that corresponds to the first orientation of the first rebar support, a second orientation that corresponds to the second orientation of the first rebar support, and a third orientation that corresponds to the third orientation of the first rebar support;   wherein the second rebar support may be stacked on the first rebar support both being in the first orientation so that a first rebar seat of the second rebar support is aligned and above the first rebar seat of the first rebar support;   wherein the second rebar support may be stacked on the first rebar support both being in the second orientation so that a second rebar seat of the second rebar support is aligned and above the second rebar seat of the first rebar support;   wherein the second rebar support may be stacked on the first rebar support both being in the third orientation so that a third rebar seat of the second rebar support is aligned and above the third rebar seat of the first rebar support.   
     
     
         12 . The system of  claim 10 , wherein a plurality of engagement features on the second rebar support engage a plurality of engagement features on the first rebar support when the second rebar support is stacked on the first rebar support. 
     
     
         13 . The system of  claim 11 , wherein the second rebar support in the second orientation may be stacked on the first rebar support being in the first orientation and wherein the second rebar support in the third orientation may be stacked on the first rebar support being in the first orientation. 
     
     
         14 . The system of  claim 11 , wherein the second rebar support in the first orientation may be stacked on the first rebar support being in the second orientation and wherein the second rebar support in the third orientation may be stacked on the first rebar support being in the second orientation. 
     
     
         15 . The system of  claim 11 , wherein the second rebar support in the first orientation may be stacked on the first rebar support being in the third orientation and wherein the second rebar support in the second orientation may be stacked on the first rebar support being in the third orientation. 
     
     
         16 . The system of  claim 11 , further comprising a tray having at least one engagement feature, the first rebar support having at least one engagement feature, wherein first rebar support is configured to be positioned on the tray so that the at least one engagement feature of the first rebar support mates with the at least one engagement feature of the tray. 
     
     
         17 . A method of providing a rebar chair comprising:
 providing a body having a top, a bottom opposite the top, a left side, a right side opposite the left side, a first end, and a second end opposite the first end;   providing a recessed rebar seat in the top that is a first distance from the bottom;   providing a recessed rebar seat in the left side that is a second distance from the right side; and   providing a recessed rebar seat in the first end that is a third distance from the second end, wherein the first distance, the second distance, and the third distance are all different.   
     
     
         18 . The method of  claim 17 , further comprising:
 providing at least one first engagement feature on the top configured to engage an engagement feature of an adjacent rebar chair;   providing at least one second engagement feature on the bottom configured to engage an engagement feature of an adjacent chair;   providing at least one third engagement feature on the left side configured to engage an engagement feature of an adjacent rebar chair;   providing at least one fourth engagement feature on the right side configured to engage an engagement feature of an adjacent rebar chair;   providing at least one fifth engagement feature on the first end configured to engage an engagement feature of an adjacent rebar chair; and   providing at least one sixth engagement feature on the second end configured to engage an engagement feature of an adjacent rebar chair.   
     
     
         19 . The method of  claim 18 , wherein any of one of the first, second, third, fourth, fifth, or sixth engagement features are configured to engage a first, second, third, fourth, fifth, or sixth engagement feature on the adjacent rebar chair. 
     
     
         20 . The method of  claim 17 , further comprising:
 providing a recessed rebar seat in the bottom that is the first distance from the top;   providing a recessed rebar seat in the right side that is the second distance from the left side; and   providing a recessed rebar seat in the second end that is the third distance from the first end.   
     
     
         21 . The method of  claim 17 , further comprising:
 providing a recessed rebar seat in the bottom that is a fourth distance from the top, wherein the fourth distance differs from the first distance;   providing a recessed rebar seat in the right side that is a fifth distance from the left side, wherein the fifth distance differs from the second distance; and   providing a recessed rebar seat in the second end that is a sixth distance from the first end, wherein the sixth distance differs from the third distance.   
     
     
         22 . A rebar support system comprising:
 a tray having a first surface and a second surface opposite the first surface, the first surface having at least one engagement feature;   a rebar support having first a recessed rebar seat in a top, a second recessed rebar seat in a left side, and a third recessed rebar seat in a first end;   wherein the at least one engagement feature on the first surface of the tray is configured to mate with at least one engagement feature on the rebar support.   
     
     
         23 . The system of  claim 22 , the first recessed rebar seat has a first height from a bottom opposite the top, the second recessed rebar seat has a second height from a right side opposite the left side, and the third recessed rebar seat has a third height from a second end opposite the first end, wherein the first, second, and third heights are different. 
     
     
         24 . The system of  claim 23 , further comprising a recessed rebar seat in the bottom, a recessed rebar seat in the right side, and a recessed rebar seat in the second end. 
     
     
         25 . The system of  claim 24 , the at least one engagement feature of the first surface of the tray further comprising a plurality of engagement features configured to mate with a plurality of engagement features on the bottom, the right side, or the second end of the rebar support.