NIKE, Inc.
Transmission for motorized tensioning system of article of footwear

Abstract:

A tensioning system, method, and article of footwear includes a motor, a reel, and a transmission configured to transmit torque from the motor shaft to the reel shaft along a torque path to drive and rotate the reel shaft. The transmission has a compound gear. The compound gear includes a shaft gear, comprising an elongate shaft substantially parallel to the longitudinal axis and offset with respect to the motor shaft along the lateral axis, the shaft gear configured to rotate independent of a fixed reference, and operatively coupled the reel and a ring gear, fixedly coupled to a first end of the shaft gear and operatively coupled to the motor.