Improved Means for connecting together the Sections of Drain Cleaning Tools, Chimney Cleaning Brushes, Pulling Through Rods for Electrical Conduits and for certain other Purposes.


7832. Davis, G., Davis, W., and Davis, S., [trading as Marshall Bros.]. April 4. Rod fittings.-A coupling for sections of fishing-rods consists of a spigot a' screwed into a socket b<4> and secured by a collar engaging a thread a<2> of a different pitch to that on the spigot. The collar c is prevented from leaving the socket by the closed-over flange c<2> and collars b<2>, b<3>. One thread may be right-handed and the other left-handed.




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    US-3285640-ANovember 15, 1966Federal Screw WorksThreaded joint and seal therefor