Patent ID: 6817632
Filing Date: 2004-11-16
Classification: F16L,Y10S

Abstract:
Connector tubing comprising a pair of spiral flex tubes comprising a first tube extending along an axis between first and second ends, and a second tube extending along said axis between first and second ends, said first ends being distally axially spaced from each other, said tubes being axially overlapped in nested relation at said second ends and being twistable relative to each other about said axis to provide torsion relief, wherein said first tube has an arcuately elongated slot therein, said slot having first and second distally arcuately opposite ends, and wherein said second tube has a boss extending radially into said slot and sliding arcuately therealong during said twisting of said tubes relative to each other, said first and second ends of said slot providing stops engageable by said boss to limit arcuate travel of said boss along said slot to in turn limit the amount of twisting of said tubes relative to each other.