Patent ID: 8567028
Filing Date: 2013-10-29
Classification: B25B,Y10T

Abstract:
1. An injector sleeve removal device comprising: a body portion; a hexagonal head portion disposed at a first end of the body portion, the hexagonal head portion being configured to receive a wrench for rotating the sleeve removal device; a tapered portion disposed at a second end of the body portion, the tapered portion having a first diameter and a second diameter, the first diameter being relatively smaller than an opening of an injector sleeve and the second diameter being relatively greater than the opening; a plurality of ridges disposed helically about the tapered portion, each ridge being continuous along the tapered portion and configured to cut into an inner surface of the injector sleeve and draw the tapered portion into the injector sleeve in response to rotation of the sleeve removal device, wherein the ridge is disposed in a clockwise helix about the tapered portion and wherein counterclockwise rotation of the injector sleeve removal device draws the tapered portion into the injector sleeve and unthreads the injector sleeve from an engine block; and a plurality of flutes, each flute being interposed between ones of the plurality of ridges, wherein the plurality of flutes are semi-circular in cross-section.