Concrete anchors

Abstract

A concrete anchor system is disclosed. A concrete anchor system can connect a structure to a concrete foundation or floor. The concrete anchor system can include a concrete anchor rod and an anchor rail that is designed to hold the anchor rod in place. The anchor rail can be installed prior to a concrete foundation being poured and can remain in the concrete foundation after the concrete has cured.

1 . A concrete anchor rail comprising:
 a vertical segment having a first hole therethrough, the first hole sized to receive a fastener;   an upper segment extending non-parallel relative to the vertical segment, the upper segment having a second hole therethrough; and   a lower segment extending non-parallel relative to and spaced apart from the vertical segment, the lower segment having a third hole therethrough, the second and third holes sized and substantially aligned so as to receive a concrete anchor rod through the second and third holes to restrain horizontal movement of the concrete anchor rod.   
     
     
         2 . The concrete anchor rail of  claim 1 , further comprising a plurality of pairs of second and third holes through the upper and lower segments, respectively, the plurality of pairs being spaced along a length of the anchor rail. 
     
     
         3 . The concrete anchor rail of  claim 2 , wherein the plurality of pairs of second and third holes are spaced apart along the length of the rail at a distance of about 1 inch to about 4 inches. 
     
     
         4 . The concrete anchor rail of  claim 1 , further comprising a plurality of first holes through the vertical leg, the plurality of first holes being spaced along the length of the anchor rail. 
     
     
         5 . (canceled) 
     
     
         6 . The concrete anchor rail of  claim 1 , wherein the upper and lower segments are substantially perpendicular relative to the vertical leg. 
     
     
         7 . (canceled) 
     
     
         8 . The concrete anchor rail of  claim 1 , wherein the upper segment comprises a first and second corner, the first and second corners having a metal covering. 
     
     
         9 . The concrete anchor rail of  claim 1 , further comprising a vertical retention feature configured to restrain vertical movement of the concrete anchor rod. 
     
     
         10 . The concrete anchor rail of  claim 9 , wherein at least one of the second hole and the third hole comprises the vertical retention feature. 
     
     
         11 . The concrete anchor rail of  claim 10 , wherein the vertical retention feature includes teeth projecting radially inward. 
     
     
         12 . (canceled) 
     
     
         13 . The concrete anchor rail of  claim 9 , wherein the vertical retention feature comprises a rod stop connected to and extending below the lower segment, the rod stop configured to restrain vertical movement of the concrete anchor rod. 
     
     
         14 . The concrete anchor rail of  claim 1 , wherein the vertical segment comprises a fourth hole, the fourth hole being configured to allow concrete to flow through the vertical segment. 
     
     
         15 . (canceled) 
     
     
         16 . The concrete anchor rail of  claim 1 , wherein the upper segment extends from a first end of the vertical segment and wherein the lower segment extends from a second end of the vertical segment, the second end being opposite the first end. 
     
     
         17 . (canceled) 
     
     
         18 . (canceled) 
     
     
         19 . A concrete anchor system, comprising:
 an anchor assembly having an upper segment, a lower segment, and a vertical segment extending between the upper and lower segments, the upper segment having a first hole therethrough, and the lower segment having a second hole therethrough; and   an anchor rod extending through the first and second holes, a first end of the anchor rod to be embedded in concrete and a second end of the anchor rod to be disposed above the concrete.   
     
     
         20 . The concrete anchor system of  claim 19 , wherein the anchor assembly comprises a rail extending along a longitudinal direction. 
     
     
         21 . The concrete anchor system of  claim 20 , wherein the anchor assembly comprises a plurality of pairs of first and second holes through the upper and lower segments, respectively, the plurality of pairs being spaced along a length of the anchor assembly. 
     
     
         22 . (canceled) 
     
     
         23 . (canceled) 
     
     
         24 . (canceled) 
     
     
         25 . (canceled) 
     
     
         26 . (canceled) 
     
     
         27 . (canceled) 
     
     
         28 . The concrete anchor system of  claim 19 , wherein at least a portion of the vertical segment is exposed through the concrete. 
     
     
         29 . The concrete anchor system of  claim 28 , wherein vertical segment further comprises a third hole, the third hole configured to receive a fastener and exposed through the concrete. 
     
     
         30 . The concrete anchor system of  claim 29 , wherein at least a portion of a fastener is disposed within the third hole and exposed through the concrete. 
     
     
         31 . The concrete anchor system of  claim 19 , wherein at least a portion of the upper segment is exposed through the concrete. 
     
     
         32 . The concrete anchor system of  claim 19 , further comprising a vertical retention member configured to restrain vertical movement of the anchor rod during installation. 
     
     
         33 . The concrete anchor system of  claim 32 , wherein one or both of the first and second holes comprises the vertical retention member. 
     
     
         34 . The concrete anchor system of  claim 33 , wherein the vertical retention member comprises teeth or projections, the teeth or projections being configured to restrain vertical movement of the anchor rod during installation. 
     
     
         35 . The concrete anchor system of  claim 32 , wherein the vertical retention member comprises a rod stop positioned below the second hole. 
     
     
         36 . The concrete anchor system of  claim 19 , wherein the anchor assembly further comprises an anchor stand, the anchor stand having first and second legs connected to both the upper segment and lower segment. 
     
     
         37 . A concrete anchor stand comprising:
 a first plate having a first hole therethrough;   a second plate spaced apart from the first plate, the second plate having a second hole therethrough, the first and second holes sized and substantially aligned so as to receive a concrete anchor rod through the first and second holes to restrain horizontal movement of a concrete anchor;   a first leg connecting the first plate and second plate;   a second leg connecting the first plate and second plate; and   a vertical retention member configured to restrain vertical movement of the concrete anchor relative to the second plate.   
     
     
         38 . The concrete anchor stand of  claim 37 , further comprising a first foot and a second foot, the first foot having a third hole and second foot having a fourth hole, the first foot and second foot connecting to the first leg and second leg, respectively, the first and second foot configured to positioned on a support surface, wherein the third and fourth hole are sized to receive a fastener. 
     
     
         39 . (canceled) 
     
     
         40 . (canceled) 
     
     
         41 . (canceled) 
     
     
         42 . The concrete anchor stand of  claim 37 , wherein the vertical retention member comprises a rod stop connected to the second plate, the rod stop having a portion spaced below the second plate. 
     
     
         43 . The concrete anchor stand of  claim 37 , wherein the first and second legs comprise respective openings therethrough, the respective openings configured to allow concrete in flowable form to flow therethrough. 
     
     
         44 .- 55 . (canceled)