Patent ID: 8596158

Claim:
A speed reducing mechanism, comprising: a speed reducer comprising: a driving member; a first transmission member assembled to the driving member and defining a plurality of first engaging teeth; and a second transmission member defining a plurality of second engaging teeth having a different count from that of the first engaging teeth, and engaging with the first engaging teeth of the first transmission member; and a bearing sleeved on the speed reducer, the bearing comprising: a bearing cup sleeved on and fixed with the first transmission member; a bearing cone assembled within the bearing cup, the bearing cone sleeved on and fixed with the second transmission member, the bearing cone comprising a ring-shaped flange formed on an inner surface thereof, the flange comprising a resisting surface within the bearing cone, the resisting surface fixed with the second transmission member, and thus the second transmission member assembled within the bearing cone; a plurality of cylindrical rollers assembled between the bearing cup and the bearing cone, and surrounding the bearing cone, and the rolling axis of every cylindrical roller is perpendicular to its neighbor cylindrical roller; and an outer ring sleeved on the bearing cone, and located at a side of the bearing cup along an axial direction of the bearing cup.