Patent ID: 7913593
Filing Date: 2011-03-29
Classification: B25B,B25G,Y10T

Abstract:
1. A tool comprising: a bit having a tip for engaging a head of a threaded object; and a sleeve surrounding the bit and mechanically coupled to the bit such that the entire sleeve moves relative to the bit in a direction parallel to a longitudinal axis of the bit and away from the threaded object, as the sleeve disengages from the threaded object as the threaded object is installed; wherein the sleeve includes multiple arms able to flex radially outward away from the bit; wherein at least some of the arms have respective lips protruding radially inward along inner surfaces of the at least some of the arms; wherein the arms extend from a sleeve body of the sleeve, substantially parallel to the longitudinal axis; wherein the arms and the sleeve body are monolithic parts of a single piece of material; wherein the sleeve has a substantially circular outer surface; wherein the outer surface slopes radially inward at a sloped tip portion for each of the arms, in the vicinity of arm free ends of the arms; and wherein for the at least some of the arms the sloped tip portion longitudinally overlaps the lip that protrudes radially inward.