Patent ID: 9102051
Filing Date: 2015-08-11
Classification: B25G

Abstract:
1. A retractable rod structure of a hand tool, comprising: an inner rod disposed along an axis and having a coupling end; a tightening seat disposed in the coupling end of the inner rod, the tightening seat having a tightening surface on a circumferential side thereof around the axis, the tightening surface having a beginning point and a terminal point, a distance between the tightening surface and the axis increasing from the beginning point to the terminal point in a first direction around the axis; a tightening ring fitted on the tightening surface and rotatable relative to the tightening surface, the tightening ring having a C shape, the tightening ring having a thin end and a thick end, a thickness of the tightening ring increasing from the thin end to the thick end in a second direction opposite to the first direction around the axis; and an outer rod being hollow and fitted on the inner rod along the axis, an outer wall of the tightening ring being against an inner wall of the outer rod.