SHAKING OUT TYPE ELONGATING AND CONTRACTING ROD

摘要

PROBLEM TO BE SOLVED: To improve a shaking out type elongating and contracting rod consisting of a plurality of pieces and capable of preventing the pieces from fixing to each other even in the case of shaking out each of the pieces powerfully. SOLUTION: This rod is provided by installing a slit 36 perfectively on the tip end parts 28-30 of a second piece 22 to a fourth piece 24. The slit has 80 mm length (a) and 2 mm width (b). COPYRIGHT: (C)2003,JPO