Patent ID: 6942082

Claim:
An axle driving apparatus for use in a vehicle having an axle and at least one wheel driven by the axle, the apparatus comprising: a wheel hub engaged to the driven wheel and comprising a generally cylindrical portion having a first engagement structure located on an interior surface thereof; a slider member slidably mounted on and driven by the axle and comprising a second engagement structure located on an exterior surface thereof, wherein a portion of the slider member extends into the generally cylindrical portion of the wheel hub; an engagement device located between the slider member and the generally cylindrical portion of the wheel hub; and a plate secured to the vehicle by two fasteners and engaged to the slider member, wherein the length of the plate is greater than the distance between the two fasteners such that the plate has two stable positions, wherein the first stable position causes the slider member to be disengaged from the wheel hub, and the second stable position causes the slider member to be engaged to the wheel hub.