Patent ID: 7588222

Claim:
A mounting bracket assembly for attaching a luminaire support arm to a support pole having a through bolt opening formed therein, comprising: a support hook for attachment to the support pole; said support hook including: (a) a first upstanding side wall having an upper end, a lower end, an inner end, and an outer end; (b) a second upstanding side wall horizontally spaced from said first side wall and having an upper end, a lower end, an inner end, and an outer end; (c) an end wall extending between said first and second side walls adjacent said inner ends thereof; (d) said end wall having a bolt opening formed therein; (e) a first hook portion extending upwardly from said upper end of said first side wall adjacent said outer end thereof; (f) a second hook portion extending upwardly from said upper end of said second side wall adjacent said outer end thereof; a through bolt extending through said bolt opening in said end wall and through the through belt opening in the pole to secure said support hook to the pole; a bracket including: (a) a first upstanding side wall having an upper end, a lower end, an inner end, and a outer end; (b) a second upstanding side wall horizontally spaced from said first side wall of said bracket and having an upper end, a lower end, an inner end, and an outer end; (c) an upstanding, semi-cylindrical tubular portion at the said outer ends of said first and second side walls of said bracket; (d) each of said first and second side walls having upper and lower bolt openings formed therein; (e) a first upstanding flange extending laterally from said inner end of said first side wall; (f) a second upstanding flange extending laterally from said inner end of said second side wall; an upper bolt extending through said upper bolt openings in said first and second side walls of said bracket; a lower bolt extending through said lower bolt openings in said first and second side walls of said bracket; said upper bolt being pivotally supported upon said upper ends of said first and second side walls of said hook inwardly of said hook portions; said lower bolt being positioned below said lower ends of said first and second side walls of said hook; said semi-cylindrical tubular portion adapted to have an end of the luminaire support arm received therein; said upper and lower bolts, upon being tightened, drawing said first and second side walls of said bracket towards one another to cause said semi-cylindrical tubular portion to frictionally engage the support arm therein.