Patent ID: 6499678
Filing Date: 2002-12-31
Classification: B05B,F16K

Abstract:
The combination of a shut-off valve and case enclosed sprinkler in which the case enclosed sprinkler is at least one of a plurality of case enclosed sprinklers attached to a case enclosed sprinkler system that includes a pipe for flowing water from a source of water, the case enclosed sprinkler having a threaded portion on the bottom of said case enclosed sprinkler, the sprinkler system including a fitting attached to the pipe, the shut-off valve being independent of said case enclosed sprinkler and being mounted on the fitting intermediate a portion of the pipe and the case enclosed sprinkler and being threaded to said threaded portion of said case enclosed sprinkler so that the shut-off valve is operable to permit the flow of water from said pipe to said case enclosed sprinkler and to block the flow of water from said pipe into said case enclosed sprinkler, the removal of said sprinkler from said case enclosed sprinkler from said shut-off valve operates the shut-off valve to block the flow of water from said pipe to said case enclosed sprinkler and the insertion of said case enclosed sprinkler on said shut-off valve operates said shut-off valve to open said shut-off valve to flow water from said pipe to said case enclosed sprinkler.