Stair system

Abstract

Stair system for outdoor building structures, such as decks are described. The stair system can include one or more perimeter frame members, one or more stair tread brackets; one or more stair tread members, and one or more fastening brackets coupled to the perimeter frame members, when in an assembled configuration.

What is claimed is: 
     
         1 . A stair system, the stair system comprising:
 a first perimeter frame member;   a first stair tread bracket coupled to the first perimeter frame member, when in an assembled configuration;   one or more stair tread members, wherein the one or more stair tread members are supported by at least a portion of the first stair tread bracket when in the assembled configuration; and   one or more fastening brackets coupled to the first perimeter frame member, when in the assembled configuration.   
     
     
         2 . The stair system of  claim 1 , wherein the one or more fastening brackets comprises first and second fastening brackets. 
     
     
         3 . The stair system of  claim 2 , wherein each of the first and second fastening brackets comprises a first securing surface and a second securing surface, wherein the first securing surface and the second securing surface are orthogonal to one another, and wherein the first securing surface and the second securing surface are shaped different from one another. 
     
     
         4 . The stair system of  claim 3 , wherein the first fastening bracket is coupled to: the first perimeter frame member at or adjacent a first end of the first perimeter frame member; and to a first support structure, when in an assembled configuration. 
     
     
         5 . The stair system of  claim 4 , wherein the first securing surface of the first fastening bracket contacts a first side of the first perimeter frame member, and the second securing surface of the first fastening bracket contacts the first support structure, when in the assembled configuration. 
     
     
         6 . The stair system of  claim 4 , wherein the second fastening bracket is coupled to: the first perimeter frame member at or adjacent a second end of the first perimeter frame member; and to a second support structure, when in an assembled configuration. 
     
     
         7 . The stair system of  claim 6 , wherein the second securing surface of the second fastening bracket is coupled to the first side of the first perimeter frame member, and wherein the first securing surface of the second fastening bracket is coupled to the second support structure, when in an assembled configuration. 
     
     
         8 . The stair system of  claim 7 , wherein the second securing surface of the second fastening bracket is positioned at least partly within a recessed portion of the first perimeter frame member, when in an assembled configuration. 
     
     
         9 . The stair system of  claim 1 , wherein the first stair tread bracket comprises a coupling member and a tread support. 
     
     
         10 . The stair system of  claim 9 , wherein the coupling member of the first stair tread bracket is coupled to a top side of the first perimeter frame member, when in an assembled configuration. 
     
     
         11 . The stair system of  claim 10 , wherein the tread support of the first stair tread bracket contacts a bottom surface of the one or more stair tread members, when in an assembled configuration. 
     
     
         12 . The stair system of  claim 9 , wherein the one or more stair tread members comprises a front stair tread member and a back stair tread member. 
     
     
         13 . The stair system of  claim 12 , wherein the front stair tread member is coupled to the back stair tread member via a tab of the front stair tread member and a complementary-shaped receiving tab of the back stair tread member, when in an assembled configuration. 
     
     
         14 . The stair system of  claim 13 , wherein the one or more stair tread members comprise a top surface having one or more recessed portions. 
     
     
         15 . The stair system of  claim 9 , wherein the first stair tread bracket further comprises an engagement tab that interacts with an end tab of the one or more stair tread members, when in an assembled configuration. 
     
     
         16 . The stair system of  claim 9 , wherein the one or more stair tread members comprises a receiving slot for receiving at least a portion of the tread support of the first stair tread bracket, when in an assembled configuration. 
     
     
         17 . The stair system of  claim 16 , wherein the receiving slot of the one or more stair tread members extends from a first side to a second side of the one or more stair tread members. 
     
     
         18 . The stair system of  claim 17 , wherein the receiving slot of the one or more stair tread members further receives at least a portion of a tread support of a second stair tread bracket, wherein the first stair tread bracket is positioned at the first side of the one or more stair tread members and the second stair tread bracket is positioned at the second side of the one or more stair tread members, when in an assembled configuration. 
     
     
         19 . The stair system of  claim 1 , wherein the first perimeter frame member comprises a first lateral end; a second lateral end that is opposite the first lateral end; a top end; a bottom end that is opposite the top end; a first side extending between the first lateral end and the second lateral end, and extending between the top end and the bottom end; a second side opposite the first side, the second side extending between the first lateral end and the second lateral end, and extending between the top end and the bottom end; wherein the first side comprises first and second engagement members, wherein the first engagement member is adjacent the first vertical end, wherein the second engagement member is adjacent the second vertical end, and wherein a recessed portion is positioned between the first and second engagement members. 
     
     
         20 . A stair system, the stair system comprising:
 a first perimeter frame member;   a second perimeter frame member spaced apart from the first perimeter frame member;   a first stair tread bracket coupled to the first perimeter frame member, when in an assembled configuration;   a second stair tread bracket coupled to the second perimeter frame member, when in an assembled configuration;   one or more stair tread members supported by at least a portion of the first stair tread bracket and the second stair tread bracket, when in the assembled configuration;   one or more first fastening brackets coupled to the first perimeter frame member, when in the assembled configuration; and   one or more second fastening brackets coupled to the second perimeter frame member, when in the assembled configuration.