Patent ID: 7487841
Filing Date: 2009-02-10
Classification: A62C

Abstract:
1. A building inside fire extinguishing system, the building having a sloped roof of standard pitch, the system including a main water supply line extending along the base of the roof and having a plurality of spaced parallel upright pipe nipples attached in fluid communication with the main water supply line, a plurality of feed lines extending upwardly from the main water supply line parallel to the roof and a plurality of spaced water sprinkler heads operably attached to each of the feed lines, the building inside fire extinguishing system comprising: an array of sprinkler fittings each including an angled hollow body having a female threaded inlet and a female threaded outlet angularly oriented one to another at a different standard roof pitch angle, one said angle equal to the standard pitch of the roof; each said fitting threadable directly to and between the upper end of the pipe nipple and a lower end of the feed line; an array of roof peak fittings each including an angled hollow body having a female threaded inlet and a female threaded outlet angularly oriented one to another at a different standard roof peak angle, one said roof peak angle equal to the standard roof peak angle of the roof; each said roof peak fitting threadable directly to and between an upper end of each pair of end-to-end aligned feed lines.