Patent ID: 6264170
Filing Date: 2001-07-24
Classification: B65H,H02G

Abstract:
An assembly for providing air assisted insertion of a draw line through at least one of a conduit and a network of conduits; the assembly comprising: a pneumatic gun including a housing having an internal chamber with an entrance and an exit, a handle fixedly associated with said housing and having a bore therethrough in communication with said internal chamber, and at an entrance to said bore means to facilitate receipt of pressurised air from a pressurised air source; a spool unit connected to said pneumatic gun and which receives and retains therein a line spool, said spool unit including a chamber which terminates in an opening in communication with the internal chamber of said pneumatic gun and through which a line on said line spool travels, and an adjustable braking assembly within the spool unit chamber which engages the line spool to control rotation of the spool; wherein, upon actuation of a trigger on the pneumatic gun, pressurised air from the air source urges the draw line through the gun and upon exiting said internal chamber into the said at least one of said conduit and said network of conduits.