Saw horse structure

Claim 1

A SUPPORT STRUCTURE OF THE TYPE DESCRIBED COMPRISING A GENERALLY HORIZONTALLY EXTENDING TRANSVERSE MEMBER FIRST AND SECOND BRACKETS SECURED TO AN UNDER SIDE OF SAID MEMBER ADJACENT OPPOSITE ENDS THEREOF, AND FIRST AND SECOND PAIRS OF FIRST AND SECOND LEGS RESPECTIVELY CONNECTED TO SAID BRACKETS, EACH OF SAID BRACKETS INCLUDING AN END WALL DISPOSED TRANSVERSELY WITH RESPECT TO AND DEPENDING FROM SAID MEMBER, EACH OF SAID BRACKETS INCLUDING FIRST AND SECOND OPPOSITE SIDE WALLS EXTENDING FROM OPPOSITE AND GENERALLY UPSTANDING END EDGES OF SAID END WALL, SAID END EDGES AND SAID SIDE WALLS BEING OPPOSITELY INCLINED DOWNWARDLY AND OUTWARDLY FROM SAID TRANSVERSE MEMBER, SAID SIDE WALLS AND THE ADJACENT END WALLS PROVIDING CORNERS DEFINING A PREDETERMINED ANGLE, SAID LEGS RESPECTIVELY HAVING UPPER END PORTIONS DISPOSED IN SAID CORNERS AND AGAINST SAID SIDE WALLS SO THAT FIRST AND SECOND LEGS OF EACH OF SAID PAIRS ARE INCLINED DOWNWARDLY AND OUTWARDLY AWAY FROM EACH OTHER, RELEASABLY INTERLOCKING TAB AND NOTCH MEANS BETWEEEN LOWER MARGINS OF SAID SIDE WALLS AND SAID LEGS FOR RESTAINING THE LEGS AGAINST SHIFTING RELATIVE TO THE BRACKETS, EACH OF SAID BRACKETS INCLUDING ELEMENTS EXTENDING BETWEEN UPPER PORTIONS OF SAID SIDE WALLS AND SPACED FROM SAID END WALL, SAID ELEMENTS ENGAGING AND RELEASABLY RESTRAINING UPPER ENDS OF SAID LEGS, SAID BRACKETS INCLUDING TAB MEANS PROJECTING INWARDLY FROM LOWER PORTIONS OF SAID ENDS WALLS FOR ENGAGING BETWEEN THE LEGS OF SAID PAIR, GENERALLY L-SHAPED SLOT MEANS IN EACH OF SAID SIDE WALLS, SAID SLOT MEANS INCLUDING UPSTANDING PORTIONS EXTENDING ALONG SAID SPACED A PREDETERMINED DISTANCE FROM ADJACENT INCLINED END EDGES OF SAID END WALLS, SAID SLOT MEANS HAVING LOWER END PORTIONS EXTENDING AWAY FROM SAID ADJACENT EDGES, AND RELEASABLE FASTENING MEANS EXTENDING THROUGH SAID SLOT MEANS AND CONNECTED TO SAID LEGS AT LOCATIONS SPACED BELOW UPPER TERMINALS ENDS OF THE LEGS DISTANCES SUBSTANTIALLY EQUAL TO SAID PREDETERMINED DISTANCE WHEREBY, UPON LOOSENING OF SAID FASTENING MEANS, SAID LEGS MAY BE SHIFTED BETWEEN THE AFORESAID DOWNWARDLY AND OUTWARDLY EXTENDING INCLINED POSITIONS AND FOLDED POSITIONS BY MANIPULATING THE LEGS TO SHIFT SAID FASTENING MEANS BETWEEN SAID UPSTANDING AND LOWER END PORTIONS OF THE SLOT MEANS.