Patent ID: 8984728
Filing Date: 2015-03-24
Classification: B25B,Y10T

Abstract:
1. A drawing device, comprising: a first driving element, having a first driving portion and an axle portion, the axle portion forms a threaded hole axially; a bolt, screwed with the threaded hole; a plurality of second driving elements, being spacedly and annularly disposed on and abutting against an outer peripheral face of the first driving portion; a plurality of clipping rods, rotatably disposed on the second driving elements respectively, each clipping rod forms a hook portion; wherein the bolt is able to drive the axle portion to rotate and to promote the first driving portion to rotate, the first driving portions further drive the second driving elements to rotate, the second driving elements are able to move accompanied by the clipping rods between a first position and a second position, each clipping rod is able to turn relative to the second driving elements freely to enable the hook portion of each clipping rod to face outward or inward alternatively.