Patent ID: 7059222

Claim:
A slide stop device of a hexagonal spanner for preventing a rounded edged inner hexagonal screw to slide as the hexagonal spanner drives the inner hexagonal screw; the slide stop device comprising: a spanner body; one end of the spanner body having a driving portion; the driving portion having three axial slots; each slot being extended from a center portion of one end surface of the driving portion to lateral side of a hexagonal cross section of the driving portion; a tapered hole being formed along an axial direction of the driving portion; a screw hole extending from an inner side of the tapered hole and being at the same line with the tapered hole; and a resisting element formed by a screw unit, a tapered resisting unit having a shape corresponding to that of the tapered hole, and a spring; the resisting unit having two through holes; two through holes being communicated with one another; a stepped portion is formed between the two through holes; and wherein in assembly, the screw unit and the resisting unit are placed in the tapered hole; and the spring is placed between the tapered hole and the resisting unit; the screw unit is screwed into the screw hole, while a head of the screw unit resists against the step portion between the through holes and a part of the resisting element exposes from the tapered hole.