Roof structure adjustable support frame system

Abstract

A roof structure adjustable support frame system comprising a plurality of joist rails configured to adjust longitudinally; a plurality of side rails configured to adjust longitudinally between the plurality of joist rails; a plurality of corner rail connectors configured to couple a side rail to a joist rail; and a plurality of adjustable joist rail connectors. The plurality of adjustable joist rail connectors comprise a joist rail attachment configured to removably attach to an end of the joist rail, an extension support member extending longitudinally from a first end of the joist rail attachment, a hook assembly configured to move longitudinally along the extension support member and engage a roof joist to couple the joist rail to the joist; and a movable stop configured to secure the hook assembly against the roof joist.

We claim: 
     
         1 . An adjustable joist rail connector comprising:
 a joist rail attachment configured to removably attach the adjustable joist rail connector to an end of a joist rail;   an extension support member extending longitudinally from a first end of the attachment portion;   a hook assembly configured to move longitudinally along the extension support member and engage a roof joist on which a support frame is mounted, wherein the hook assembly comprises a hook coupled to a ring; and   a movable stop at an opposite end of the joist rail attachment, wherein the movable stop is configured to move along the extension support member and engage the hook assembly;   wherein, the hook assembly is between the joist rail attachment and the movable stop.   
     
     
         2 . The adjustable joist rail connector of  claim 1 , wherein the joist rail attachment is “T” shaped comprising a horizontal section and a vertical section extending downward from about a middle of the horizontal section. 
     
     
         3 . The adjustable joist rail connector of  claim 1 , wherein the joist rail attachment is “L” shaped comprising a horizontal section and a vertical section extending downward from at least one side of the horizontal section. 
     
     
         4 . The adjustable joist rail connector of  claim 2 , wherein the joist rail attachment comprises a plurality of openings on the vertical section configured to match with openings on a joist rail such that a fastener couples the adjustable joist rail connector to the joist rail. 
     
     
         5 . The adjustable joist rail connector of  claim 1 , wherein the movable stop is a lock nut sized to threadably move along the extension support member. 
     
     
         6 . The adjustable joist rail connector of  claim 3 , wherein the joist rail attachment comprises a plurality of openings on the vertical section configured to match with openings on a joist rail such that a fastener couples the adjustable joist rail connector to the joist rail. 
     
     
         7 . The adjustable joist rail connector of  claim 6 , wherein the plurality of openings are square in shape and configured to accept a square necked fastener. 
     
     
         8 . A roof structure adjustable support frame system comprising:
 a plurality of joist rails configured to adjust longitudinally between existing roof joists;   a plurality of side rails configured to extend longitudinally between the plurality of joist rails;   a plurality of corner rail connectors configured to couple a side rail to a joist rail; and   a plurality of adjustable joist rail connectors comprising a joist rail attachment configured to removably attach to an end of the joist rail, an extension support member extending longitudinally from a first end of the joist rail attachment, a hook assembly configured to move longitudinally along the extension support member and engage a roof joist to couple the joist rail to the joist; and a movable stop configured to secure the hook assembly against the roof joist;   wherein the plurality of joist rails are coupled to the existing roof joists with the plurality of adjustable joist rail connectors; and   wherein the plurality of side rails attach to the plurality of joist rails with the plurality of corner rail connectors.   
     
     
         9 . The roof structure adjustable support frame system of  claim 8 , wherein the plurality of joist rails comprise a respective inner joist rail configured to slide against a corresponding outer joist rail. 
     
     
         10 . The roof structure adjustable support frame system of  claim 8 , wherein the plurality of side rails comprise a respective inner side rail configured to slide against a corresponding outer side rail. 
     
     
         11 . The roof structure adjustable support frame system of  claim 8 , wherein the joist rail attachment is “T” shaped comprising a horizontal section and a vertical section extending downward from about a middle of the horizontal section, and wherein the vertical section comprises a plurality of through holes. 
     
     
         12 . The roof structure adjustable support frame system of  claim 8 , wherein the joist rail attachment is “L” shaped comprising a horizontal section and a vertical section extending downward from at least one side of the horizontal section, and wherein the vertical section comprises a plurality of through holes. 
     
     
         13 . The roof structure adjustable support frame system of  claim 9 , wherein the inner joist rail comprises a plurality of holes linearly along the about center of a vertical section, and wherein the outer joist rail comprises a plurality of slots linearly along the about center of a vertical section, and wherein the plurality of holes and the plurality of slots are configured to align such that a fastener will tighten the inner joist rail against the outer joist rail. 
     
     
         14 . The roof structure adjustable support frame system of  claim 10 , wherein the outer side rail comprises a plurality of holes linearly along the about center of a vertical section, and wherein the inner side rail comprises a plurality of slots linearly along the about center of a vertical section, and wherein the plurality of holes and the plurality of slots are configured to align such that a fastener will tighten the inner side rail against the outer side rail. 
     
     
         15 . An adjustable joist rail connector comprising:
 a joist rail attachment configured to removably attach the adjustable joist rail connector to an end of a joist rail, wherein the joist rail attachment comprises a first end and a second end, and wherein the joist rail second end comprises a cut-out portion near a top section of the second end;   a roof truss coupler on a second end of the joist rail attachment under the cut-out portion, the roof truss coupler comprising a horizontal plate and two set screws configured to engage a roof truss of an existing roof.   
     
     
         16 . The adjustable joist rail connector of  claim 15 , wherein the joist rail attachment is “T” shaped comprising a horizontal section and a vertical section extending downward from about a middle of the horizontal section, and wherein the vertical section comprises a plurality of through holes. 
     
     
         17 . The adjustable joist rail connector of  claim 15 , wherein the joist rail attachment is “L” shaped comprising a horizontal section and a vertical section extending downward from at least one side of the horizontal section, and wherein the vertical section comprises a plurality of through holes. 
     
     
         18 . The adjustable joist rail connector of  claim 16 , wherein the plurality of through holes are square shaped and configured to accept a square necked fastener. 
     
     
         19 . The adjustable joist rail connector of  claim 17 , wherein the plurality of through holes are square shaped and configured to accept a square necked fastener. 
     
     
         20 . The adjustable joist rail connector of  claim 15 , wherein the cut-out portion and roof truss coupler is configured to accept an edge of a C-channel or angle iron.