Patent ID: 6298741
Filing Date: 2001-10-09
Classification: E05B,F16H,H02K,Y10T

Abstract:
An actuator comprising:a drive motor;a drive gear attached to an output shaft of said drive motor; andfirst and second mating gears in meshing engagement with said drive gear, said first mating gear being axially fixed relative to said drive gear and adapted for driving a first gear train, and said second mating gear being axially movable relative to said drive gear and adapted for driving a second gear train, said second gear train being separate from said first gear train; andwherein upon application of power to said drive motor said first mating gear drives said first gear train and said second mating gear drives said second drive train, andwherein said second mating gear is adapted to travel axially relative to said second gear train for disengaging therefrom when a load stalls said second gear train.