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.

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.

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.

A lace guide for an article of footwear comprises a base, a body protruding from the base, and an enlarged head at a distal end of the body. The body, the base, and the enlarged head define an external channel that extends at least partially around the body to receive and retain a lace. The base may be a heel counter, and the lace guide and the heel counter may be an integral, one-piece component. Alternatively, the base of the lace guide may be a wing extending along a side of the upper, or may be secured to a footwear upper.

A lace guide for an article of footwear comprises a base, a body protruding from the base, and an enlarged head at a distal end of the body. The body, the base, and the enlarged head define an external channel that extends at least partially around the body to receive and retain a lace. The base may be a heel counter, and the lace guide and the heel counter may be an integral, one-piece component. Alternatively, the base of the lace guide may be a wing extending along a side of the upper, or may be secured to a footwear upper.

A fastening device including a case unit and a spool is provided. The case unit includes a wall forming a receiving space, an upper opening communicated with the receiving space, and a lower opening opposite to the upper opening and communicated with the receiving space. The spool is within the receiving space. The spool is limited by the wall, and the wall prohibits the spool from leaving the receiving space from the upper opening.

A fastening device including a case unit and a spool is provided. The case unit includes a wall forming a receiving space, an upper opening communicated with the receiving space, and a lower opening opposite to the upper opening and communicated with the receiving space. The spool is within the receiving space. The spool is limited by the wall, and the wall prohibits the spool from leaving the receiving space from the upper opening.

A cord lock includes a cord lock main body as a case which houses the same. The cord lock main body is made such that locking on the cord is released by a pulling operation to reduce an insertion amount of a portion of a male member into an insertion passage. The case forms a cylindrical shape with openings on both ends through which the cord can pass and combines with the cord lock main body side in a manner allowing the case to be reciprocally moved along the cylinder axis direction. When the case is moved forward, the pulling action is made with a first engage-abutting portion of the case engaging an engage-abutted portion. When the case is moved backward, the pulling operation is made with a second engagement portion of the case engaging the engagement portion of the case engage-abutted portion of the male member.

A cord lock includes a cord lock main body as a case which houses the same. The cord lock main body is made such that locking on the cord is released by a pulling operation to reduce an insertion amount of a portion of a male member into an insertion passage. The case forms a cylindrical shape with openings on both ends through which the cord can pass and combines with the cord lock main body side in a manner allowing the case to be reciprocally moved along the cylinder axis direction. When the case is moved forward, the pulling action is made with a first engage-abutting portion of the case engaging an engage-abutted portion. When the case is moved backward, the pulling operation is made with a second engagement portion of the case engaging the engagement portion of the case engage-abutted portion of the male member.

Lacing engine systems, apparatus, and methods of operation are discussed. In an example, a lacing engine apparatus can include a housing, a drivetrain, and a lace take-up mechanism for retracting a length of lace cable upon activation. The drivetrain can include various reduction gears to reduce rotational speed out of the motor and power the lace take-up mechanism. The lace take-up mechanism can include structures such as a double-yoke, a radial pulley including an outer rotating disc and an inner stationary disc, a variable take-up spool, or a zip-strip mechanism.