Wall mounted handrail for scaffolding

Abstract

A handrail assembly for scaffolding comprising a first hand rail component and a second hand rail component, wherein said first hand rail component is slidingly connected to said second hand rail component; a first frame, wherein said first hand rail component is slidingly connected to said first frame; a first wall hook, wherein said first frame is slidingly connected to said first wall hook; a second frame, wherein said second hand rail component is slidingly connected to said second frame; and a second wall hook, wherein said second frame is slidingly connected to said second wall hook.

1 . A handrail assembly for scaffolding comprising:
 a first hand rail component and a second hand rail component,   wherein said first hand rail component is slidingly connected to said second hand rail component;   a first frame, wherein said first hand rail component is slidingly connected to said first frame;   a first wall hook, wherein said first frame is slidingly connected to said first wall hook;   a second frame, wherein said second hand rail component is slidingly connected to said second frame; and   a second wall hook, wherein said second frame is slidingly connected to said second wall hook.   
     
     
         2 . The handrail assembly for scaffolding of  claim 1  wherein:
 said first hand rail component comprises a first hand rail, a first hand rail component vertical member having a bottom, and a first hand rail component horizontal member  16  having a fixed end and a sliding end; 
 wherein said first hand rail  12  is fixedly connected to said first hand rail component vertical member  14  and said first hand rail component vertical member's  14  bottom is fixedly connected to said first hand rail component horizontal member's  16  fixed end; 
 wherein said second hand rail component  20  comprises a second hand rail  22 , a second hand rail component vertical member  24  having a bottom, and a second hand rail component horizontal member  26  having a fixed end and a sliding end; 
 wherein said second hand rail  22  is fixedly connected to said second hand rail component vertical member  24 , and said second hand rail component vertical member's  24  bottom is fixedly connected to said second hand rail component horizontal member's  26  fixed end. 
 
     
     
         3 . The handrail assembly for scaffolding of  claim 2  wherein:
 said first hand rail comprises a first hand rail structural member having a cross section; 
 said second hand rail comprises a second hand rail structural member having a cross section; 
 wherein said second hand rail structural member's cross section interfaces with said first structural member's cross section such that a sliding connection is formed between said first structural member and said second structural member. 
 
     
     
         4 . The handrail assembly for scaffolding of  claim 3  wherein:
 Said second hand rail structural member comprises a hollow tubular cross section that has a hollow interior; and 
 Said first hand rail structural member's cross section fits inside of said second hand rail structural member's hollow interior to form said sliding connection between said first hand rail structural member and said second hand rail structural member. 
 
     
     
         5 . The handrail assembly for scaffolding of  claim 4  wherein:
 Said first structural member's cross section is generally shaped like an ellipse; and 
 Said second structural member's cross section is generally shaped like an ellipse. 
 
     
     
         6 . The handrail assembly for scaffolding of  claim 4  wherein:
 Said first structural member's cross section is generally shaped like a polygon; and 
 Said second structural member's cross section is generally shaped like a polygon. 
 
     
     
         7 . The handrail assembly for scaffolding of  claim 5  wherein:
 Said first structural member's cross section is generally shaped like a circle; and 
 Said second structural member's cross section is generally shaped like a circle. 
 
     
     
         8 . The handrail assembly for scaffolding of  claim 4  further comprising a fastener wherein:
 said fastener passes through said first hand rail's tube wall  12  and said fastener passes through said second hand rail's tube wall, thereby locking said first hand rail and said second hand rail  22  together. 
 
     
     
         9 . The handrail assembly for scaffolding of  claim 1  wherein:
 said first frame  30  comprises first frame wall brace  32 , a first frame vertical member  34 , and a first frame horizontal member  36 ; wherein: 
 said first frame vertical member has a bottom end and a top end; and 
 said first frame horizontal member has a wall end and a hand rail end; and 
 said first frame wall brace  32  is fixedly connected to said first frame vertical member's  34  bottom end; and 
 said first frame vertical member's  34  bottom end is fixedly connected to first frame horizontal member's  36  wall end; and 
 said second frame  30  comprises second frame wall brace  32 , a second frame vertical member  34 , and a second frame horizontal member  36 ; wherein: 
 said second frame vertical member has a bottom end and a top end; and 
 said second frame horizontal member has a wall end and a hand rail end; and 
 said second frame wall brace  32  is fixedly connected to said second frame vertical member's  34  bottom end; and 
 said second frame vertical member's  34  bottom end is fixedly connected to second frame horizontal member's  36  wall end. 
 
     
     
         10 . The handrail assembly for scaffolding of  claim 9  wherein said first frame wall brace  32  engages said wall and serves to restrain said first frame  30  from rotation, thereby keeping said first frame horizontal member  36  perpendicular to said wall, and
 said second frame wall brace  32  engages said wall and serves to restrain said second frame  30  from rotation, thereby keeping said second frame horizontal member  36  perpendicular to said wall. 
 
     
     
         11 . The handrail assembly for scaffolding of  claim 9  further comprising first frame support member  38 ;
 wherein first frame support member  38  comprises a wall end and a hand rail end; and 
 said first frame support member's  38  wall end is fixedly connected to said first frame vertical member near said first frame vertical member's bottom end; and 
 said first frame support member's hand rail end is fixedly connected to said first frame horizontal member's hand rail end, 
 such that said first frame horizontal member, said first frame vertical member, and said first frame support member are fixedly connected to one another to form a truss; and 
 further comprising second frame support member  38 ; 
 wherein said second frame support member  38  comprises a wall end and a hand rail end; and 
 said second frame support member's  38  wall end is fixedly connected to said second frame vertical member near said second frame vertical member's bottom end; and 
 said second frame support member's hand rail end is fixedly connected to said second frame horizontal member's hand rail end, 
 such that said second frame horizontal member, said second frame vertical member, and said second frame support member are fixedly connected to one another to form a truss. 
 
     
     
         12 . The handrail assembly for scaffolding of  claim 8  wherein said fastener comprises a pin. 
     
     
         13 . The handrail assembly for scaffolding of  claim 1  wherein said first wall hook comprises a long vertical first wall hook member having a top end, a horizontal first wall hook member having a first end and a second end, and a short vertical first wall hook member having a top end; wherein the long vertical first wall hook member's top end is fixedly connected to the horizontal first wall hook member's first end and the short vertical first wall hook member's top end is fixedly connected to the horizontal first wall hook member's second end; and
 said second wall hook comprises a long vertical second wall hook member having a top end, a horizontal second wall hook member having a first end and a second end, and a short vertical second wall hook member having a top end; wherein the long vertical second wall hook member's top end is fixedly connected to the horizontal second wall hook member's first end and the short vertical second wall hook member's top end is fixedly connected to the horizontal second wall hook member's second end. 
 
     
     
         14 . The handrail assembly for scaffolding of  claim 1  wherein:
 said first hand rail component comprises a first hand rail, a first hand rail component vertical member having a bottom, and a first hand rail component horizontal member  16  having a fixed end and a sliding end; 
 wherein said first hand rail  12  is fixedly connected to said first hand rail component vertical member  14  and said first hand rail component vertical member's  14  bottom is fixedly connected to said first hand rail component horizontal member's  16  fixed end; 
 wherein said second hand rail component  20  comprises a second hand rail  22 , a second hand rail component vertical member  24  having a bottom, and a second hand rail component horizontal member  26 ; 
 wherein said second hand rail  22  is fixedly connected to said second hand rail component vertical member  24 , and said second hand rail component vertical member's  24  bottom is fixedly connected to said second hand rail component horizontal member's  26  fixed end; 
 wherein said first frame  30  comprises first wall brace  32 , a first frame vertical member  34 , and a first frame horizontal member  36 ; wherein: 
 said first frame vertical member has a bottom end and a top end; and 
 said first frame horizontal member has a wall end and a hand rail end; and 
 said first wall brace  32  is fixedly connected to said first frame vertical member's  34  bottom end; and 
 said first frame vertical member's  34  bottom end is fixedly connected to first frame horizontal member's  36  wall end; and 
 wherein said second frame  30  comprises second wall brace  32 , a second frame vertical member  34 , and a second frame horizontal member  36 ; wherein: 
 said second frame vertical member has a bottom end and a top end; and 
 said second frame horizontal member has a wall end and a hand rail end; and 
 said second wall brace  32  is fixedly connected to said second frame vertical member's  34  bottom end; and 
 said second frame vertical member's  34  bottom end is fixedly connected to second frame horizontal member's  36  wall end; 
 said first wall hook comprises a long vertical first wall hook member having a top end and a bottom end, a horizontal first wall hook member having a first end and a second end, and a short vertical first wall hook member having a top end; wherein the long vertical first wall hook member's top end is fixedly connected to the horizontal first wall hook member's first end and the short vertical first wall hook member's top end is fixedly connected to the horizontal first wall hook member's second end; and 
 said second wall hook comprises a long vertical second wall hook member having a top end and a bottom end, a horizontal second wall hook member having a first end and a second end, and a short vertical second wall hook member having a top end; wherein the long vertical second wall hook member's top end is fixedly connected to the horizontal second wall hook member's first end and the short vertical second wall hook member's top end is fixedly connected to the horizontal second wall hook member's second end. 
 
     
     
         15 . The handrail assembly for scaffolding of  claim 14  wherein:
 said first hand rail comprises a first hand rail structural member having a cross section; 
 said second hand rail comprises a second hand rail structural member having a cross section; 
 wherein said second hand rail structural member's cross section interfaces with said first structural member's cross section such that a sliding connection is formed between said first structural member and said second structural member. 
 
     
     
         16 . The handrail assembly for scaffolding of  claim 15  wherein:
 Said second hand rail structural member comprises a tube having a hollow interior; and 
 Said first hand rail structural member fits inside of said second hand rail structural member's hollow interior to form said sliding connection between said first hand rail structural member and said second hand rail structural member. 
 
     
     
         17 . The handrail assembly for scaffolding of  claim 16  wherein the combined length of the slidingly connected first hand rail and second handrail can be adjusted by sliding said first hand rail structural member within said second hand rail structural member. 
     
     
         18 . The handrail assembly for scaffolding of  claim 17  wherein:
 said first frame vertical member's  34  top end is slidingly connected to said long vertical first wall hook member's bottom end, 
 said first frame horizontal member's  36  hand rail end is slidingly connected to said first hand rail component horizontal member's  26  sliding end, 
 wherein said second frame vertical member's  34  top end is slidingly connected to said long vertical second wall hook member's bottom end, and 
 wherein said second frame horizontal member's  36  hand rail end is slidingly connected to said second hand rail component horizontal member's  26  sliding end. 
 
     
     
         19 . The handrail assembly for scaffolding of  claim 18  wherein said first frame vertical member's top end  34  is slidingly connected to said long vertical first wall hook member's bottom end, and said second frame vertical member's top end  34  is slidingly connected to said long vertical second wall hook member's bottom end. 
     
     
         20 . The handrail assembly for scaffolding of  claim 19  further comprising:
 a removable handrail fastener that locks 
 said first handrail and said second handrail where they are slidingly connected such that said first handrail will not slide in relation to said second handrail; 
 a removable first wall hook fastener that locks said first long vertical wall hook member and said first frame vertical member where they are slidingly connected such that said first long vertical wall hook member will not slide in relation to said first frame vertical member; 
 a removable second wall hook fastener that locks said second long vertical wall hook member and said second frame vertical member where they are slidingly connected such that said second long vertical wall hook member will not slide in relation to said second frame vertical member; 
 a removable first frame fastener that locks said first hand rail component horizontal member and said first frame horizontal member where they are slidingly connected such that said first frame horizontal member will not slide in relation to said first hand rail component horizontal member; and 
 a removable second frame fastener that locks said second hand rail component horizontal member and said second frame horizontal member where they are slidingly connected such that said second frame horizontal member will not slide in relation to said second hand rail component horizontal member.