TWO SPEED TRAILER JACK WITH DOG CLUTCH

A linear jack includes an outer tube, a first rotating screw configured to rotate relative to the outer tube, a coarse nut threadedly coupled to the first rotating screw, and a first sleeve configured to translate with respect to the coarse nut between a first position, wherein the first sleeve is meshingly engaged with the coarse nut, and a second position, wherein the first sleeve is meshingly disengaged from the coarse nut.