Continuous Length Telescoping Rods

摘要

A telescoping rod which can be telescoped between a minimum length and a maximum length is formed from three members two of which are shorter than and slidably mountable on a longer member. A telescoping rod can also be formed from five of the shorter members and two of the longer members with a minimum length equal to the maximum length of the rod formed from three members and a maximum length equal to 2½ times the minimum length of the rod formed from three members.