A lace-tightening device for a shoe lace in a shoe comprises a rotating cam within a housing disposed within the shoe. The cam is connected to the opposite ends of the shoe lace and includes an outer surface for receiving the shoe lace as the cam rotates to pull the lace. A driven gear disposed is rotatably coupled to the cam through a one-way clutch configured so that rotation of the driven gear in one direction rotates the cam in the one direction, thereby tightening the shoe lace connected to the rotating cam. A ratchet arm is slidably disposed within the housing and includes linear teeth arranged to engage the teeth of the driven gear as the ratchet arm translates in a linear direction. to rotate the gear in the one direction. The ratchet arm is pulled by at least one shape memory alloy (SMA) wire attached at one end to the ratchet arm and at its opposite end to a controller. The controller is configured to execute a power cycle to energize and deenergize the SMA wire so that the wire sequentially shrinks and returns to its original length to thereby sequentially translate the ratchet arm in the linear direction, and ultimately to incrementally pull and tighten the shoe lace. The controller repeats the cycle a number of times until the lace reaches a tightness desired by the user.

Systems, apparatus, and methods related to an automated footwear platform including motor control techniques. The motor control techniques can include operations such as segmenting a pre-defined travel distance, defining a plurality of moves, creating a plurality of motion profiles, and commanding movements. The plurality of moves can utilize the segmented travel distance for a drive mechanism associated with the footwear platform. Each motion profile of the plurality of motion profiles can include one or more moves from the plurality of moves. Commanding movement of the drive mechanism can be based on selection of one or more motion profiles from the plurality of motion profiles.

A method of chamfering an aperture in a reel member of a tensioning system for an article of footwear is disclosed. The tensioning system includes a reel member configured to rotate about a central axis. The reel member includes a shaft and at least one flange disposed along the shaft. The flange includes an aperture extending through the flange. The aperture is configured to receive a lace. The reel member can tighten the tensioning system by winding the lace around portions of the shaft disposed on both sides of the at least one flange. The method of chamfering the aperture includes drilling through an end flange of the reel member to reach the center flange of the reel member in order to chamfer the aperture. The chamfered aperture can assist with sliding the lace through the aperture and distributing tension.

An article with an automatic tensioning system includes a lace guide assembly. The lace guide assembly includes a lower guide member and two upper guide members that include channels for routing a tensioning member. Straps of the upper are attached to the two upper guide members. As the tensioning member is pulled into a tensioning device, the two upper guide members are pulled toward the lower guide member. This pulls on the straps and acts to tighten the upper around a foot.

A foot presence sensor system for an active article of footwear can include a sensor housing configured to be disposed at or in an insole of the article, and a controller circuit, disposed within the sensor housing, configured to trigger one or more automated functions of the footwear based on a foot presence indication. In an example, the sensor system includes a capacitive sensor configured to sense changes in a capacitance signal in response to proximity of a body. A dielectric member can be provided between the capacitive sensor and the body to enhance an output signal from the sensor.

Systems, methods, and apparatus related to a homing mechanism within a drive mechanism of a lacing engine for an automated footwear platform are described. In an example, the homing apparatus can include an indexing wheel, a plurality of Geneva teeth and a stop tooth. The plurality of Geneva teeth can be distributed around a portion of a perimeter of the indexing wheel. Each Geneva tooth of the plurality of Geneva teeth can include side profiles conforming to a first side profile that generates a first force when engaged by an index tooth on a portion of the drive mechanism. The stop tooth can be located along the perimeter of the indexing wheel between two Geneva teeth. Additionally, the stop tooth can include side profiles conforming to a second side profile that generates a second force when engaged by the index tooth.

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.

An article of footwear or an article of apparel can include provisions for facilitating the installation of a control device. The control device can include a panel comprising a plurality of buttons that can provide manual control to a user. The control device can be installed in a compartment within the article after initial manufacture of the article of footwear. In some cases, the control device can include a raised standoff assembly that can be configured to decrease inadvertent pressure being applied to the buttons.

A lace routing pattern for a lacing system for an article of footwear is described. The lacing system is moved between opened and closed positions by applying tension to segments of a lace connected to a tensioning assembly of a tensioning system. Each of the lace segments are arranged to extend between opposite sides of a lacing area according to a different lace routing pattern. The lace routing patterns have equal total closure distances for each of the lace segments so that tension applied by the tensioning system will be uniformly distributed through the lacing system and the article of footwear.

A tensioning system for an article of footwear is disclosed. The tensioning system includes a reel member configured to rotate about a central axis. The reel member includes a shaft and at least one flange disposed along the shaft. The flange includes an aperture extending through the flange. The aperture is configured to receive a lace. The reel member can tighten the tensioning system by winding the lace around portions of the shaft disposed on both sides of the at least one flange. In some cases, the aperture can be chamfered to assist with sliding the lace through the aperture.