Patent ID: 6019385
Filing Date: 2000-02-01
Classification: B60T,B62L,B62M

Abstract:
A hybrid hub comprising, in combination:a. a hub body housing an axle concentric therewith about an axis;b. a coaster mechanism disposed concentrically in said hub comprising:(1) a helical drive screw disposed rotatably about said axis;(2) a helical drive nut disposed in operable communication with said helical drive screw; and(3) a first drive gear disposed rotatably about said axis so that helical drive screw drives said helical drive nut into operable engagement with said first drive gear to rotate said first drive gear; andc. a differential disposed concentrically in said hub comprising:(1) said first drive gear and a second drive gear disposed rotatably about said axis;(2) at least two spider gear shafts disposed radially to said axis and connecting rigidly to said hub housing; and(3) a spider gear disposed rotatably about each of said at least two spider gear shafts, each said spider gear having teeth which mesh with teeth of said first drive gear and said second drive gear.