Abstract: A pump includes a conduit defining an inner volume and formed from a flexible material, the conduit movable between an expanded state and a relaxed state. A coil is disposed within the conduit and includes an outer diameter that is approximately equal to an inner diameter of the conduit, the coil substantially maintaining its outer diameter when the conduit is moved between the relaxed state and the expanded state. A manifold is in fluid communication with the inner volume and is operable to permit fluid to enter the inner volume in a first mode and expel fluid from the inner volume in a second mode.

Abstract: An adaptive support garment integrating directional fabrics to assist in providing adaptive support to select portions of the garment is discussed herein. The adaptive support garment can include a first directional fabric, a second directional fabric, and a tension device. The first directional fabric includes first directional fibers, and the first directional fabric can be coupled to a fixed portion of the adaptive support garment. The second directional fabric includes second directional fibers, and the second directional fabric can be coupled to a movable control structure portion of the adaptive support garment. The tension device can be coupled to the movable control structure and configured to apply a tension in a first direction on the movable control structure. In operation, the first directional fibers can engage with the second directional fibers to resist movement in a second direction opposite the first direction.

Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.

Abstract: Foot support systems include a fluid flow regulator and/or valve that: (a) can operate as a stop valve to stop transfer of fluid between a first fluid container and a second fluid container, (b) can open in a controlled manner to allow transfer of fluid from the second fluid container to the first fluid container, (c) can open to equalize pressure in the first and second fluid containers, and (d) can act as a check valve to enable flow of fluid from the first fluid container to the second fluid container when/if gas pressure in the first container exceeds that in the second container by a predetermined amount. Additional features relate to fluid flow control systems and methods, systems and methods for changing and controlling the crack pressure of a valve (e.g., a check valve), and/or systems and methods for matching foot support pressure features in two different sole structures.

Abstract: A vacuum system for a wearable article includes an adjustable element operable to form at least a portion of the wearable article. The adjustable element includes a bladder that defines an exterior surface and an interior void and a port disposed on the exterior surface of the bladder. The port is operable to provide selective communication with the interior void of the bladder. The vacuum system also includes a pump operable to automatically draw a predetermined volume of fluid out of the interior void upon engagement with the port to move the adjustable element from a relaxed state to a constricted state.

Abstract: A pump includes a conduit defining an inner volume and formed from a flexible material, the conduit movable between an expanded state and a relaxed state. A coil is disposed within the conduit and includes an outer diameter that is approximately equal to an inner diameter of the conduit, the coil substantially maintaining its outer diameter when the conduit is moved between the relaxed state and the expanded state. A manifold is in fluid communication with the inner volume and is operable to permit fluid to enter the inner volume in a first mode and expel fluid from the inner volume in a second mode.

Abstract: A system includes a valve coupled to a source of compressed air and a wheel hub. The wheel hub includes a stationary element associated with a wheel of a vehicle, a rotary element configured to rotate with the wheel, a seal therebetween, and a port arranged in the rotary element, wherein a flow path extends from the source to valve, the valve to the seal, the seal to the port, and the port to the wheel. A method includes measuring a pressure of a tire based on a sensor signal, where the tire is mounted to a wheel coupled to a wheel hub of a vehicle, determining whether to inflate or deflate the tire based on the pressure, generating a control signal to control the valve coupled to the tire to achieve an open position, and monitoring the pressure of the tire while the valve is in the open position.

Abstract: A control system for controlling tension applied to a lace cable coupled to a support structure of an adaptive support garment is discussed herein. The control system can include a lace spool, a damper mechanism, and a locking ring. The lace spool can include a lace groove to receive the lace cable and a rotary bias member to apply rotational tension to resist extension of the lace cable out of a housing holding the control system. The damper mechanism is engagable with the lace spool to generate an additional rotational tension resisting extension of the lace cable out of the housing. The locking ring is frictionally coupled to the lace spool, and the locking ring can include a lock wedge adapted to disengage the damper mechanism upon rotation into a pre-determined rotational position relative to the damper mechanism.

Abstract: A footwear article includes a collar elevator that returns an ankle collar from a lowered state that is conducive to donning up to a raised state that secures the wearer's foot during wear. The collar elevator includes a lever arm. The lever arm may be deformable and biased towards the raised state. The lever arm may be articulated with a biasing force urging the lever arm to the raised state. The lever arm may have a variety of cross sections as well. The lever arm extends from a base, which may a sole portion of the footwear article. The lever arm and the base may be monolithic, permanently joined, removably joined, or otherwise connected.

Abstract: A control system for use within an adaptive support garment is discussed herein. The control system can include a lace spool, a ratchet mechanism, an actuator, and a control circuit. The lace spool can include a lace groove adapted to accumulate a portion of a lace cable coupled to a support structure within the adaptive support garment. The ratchet mechanism can be configured to control rotation of the lace spool during operation of the control system. The actuator can be adapted to control engagement of the ratchet mechanism. The control circuit electrically can be coupled to the actuator and can be configured to operate the actuator to engage or disengage the ratchet mechanism. In operation, rotation of the lace spool controls an effective length of the lace cable to provide adaptive support.

Abstract: An article of apparel providing dynamic support for an appendage of a person is discussed herein. The article of apparel can include a support garment control device configured to provide dynamic support. The support garment control device can include a control lace coupled to a support portion of the article of apparel. In an example, the support garment control device configured to apply a first tension on the control lace, lock the support garment control device at the first tension to inhibit movement of the control lace in response to detecting a change in movement of the person, and unlock the support garment control device after a pre-determined event subsequent to the change in movement of the person.

Abstract: A locking structure for an article includes a bladder including a first barrier element attached to a second barrier element to define a chamber having an interior void. A locking system includes locking elements that each attach to at least one elastic element. The locking elements each include at least one interface surface. The interior void of the bladder operable between a first pressure to move the locking system to a locked state and a second pressure to move the locking system to an unlocked state.

Abstract: A method includes positioning a first polymer sheet on a substantially first flat surface of a tool, positioning a second polymer sheet on the first polymer sheet, and moving a second substantially flat surface of the tool into contact with the second polymer sheet. The method also includes maintaining a gap between the first polymer sheet and the second polymer sheet at a predetermined area and heating one of the two substantially flat surfaces of the tool to heat one of the first polymer sheet and the second polymer sheet. The method further includes joining the first polymer sheet and the second polymer sheet together at locations outside of the predetermined area to define a peripheral bond of the chamber.

Abstract: A sole structure for an article of footwear comprises a unitary midsole having a first portion and a second portion rearward of the first portion. A bottom surface of the unitary midsole defines a groove extending from a medial side to a lateral side of the unitary midsole, and a top surface of the unitary midsole defines a slit disposed over the groove and extending from the medial side to the lateral side. The unitary midsole forms a living hinge at the groove and the slit, with the living hinge connecting the first portion to the second portion so that the first portion and the second portion are selectively pivotable relative to one another at the living hinge between a first orientation and a second orientation. The groove is wider in the first orientation than in the second orientation, and the slit is wider in the second orientation.

Abstract: A control system for controlling tension applied to a lace cable coupled to a support structure of an adaptive support garment is discussed herein. The control system can include a lace spool, a damper mechanism, and a locking ring. The lace spool can include a lace groove to receive the lace cable and a rotary bias member to apply rotational tension to resist extension of the lace cable out of a housing holding the control system. The damper mechanism is engagable with the lace spool to generate an additional rotational tension resisting extension of the lace cable out of the housing. The locking ring is frictionally coupled to the lace spool, and the locking ring can include a lock wedge adapted to disengage the damper mechanism upon rotation into a pre-determined rotational position relative to the damper mechanism.

Abstract: Foot support systems, e.g., for articles of footwear, include systems for changing the hardness or firmness of the foot support portion (e.g., of a sole structure) and/or systems for moving (e.g., selectively moving) fluid between various portions of the foot support system.

Abstract: A method includes positioning a first polymer sheet on a substantially first flat surface of a tool, positioning a second polymer sheet on the first polymer sheet, and moving a second substantially flat surface of the tool into contact with the second polymer sheet. The method also includes maintaining a gap between the first polymer sheet and the second polymer sheet at a predetermined area and heating one of the two substantially flat surfaces of the tool to heat one of the first polymer sheet and the second polymer sheet. The method further includes joining the first polymer sheet and the second polymer sheet together at locations outside of the predetermined area to define a peripheral bond of the chamber.

Abstract: An article of footwear includes a medial support member coupled to a medial portion and having a first rail, a lateral support member coupled to a lateral portion and having a second rail, a plurality of lace-receiving members disposed on and movable along the first and second rails to move the article of footwear between an open configuration and a closed configuration, a lace member extending between the plurality of first lace-receiving members and the plurality of second lace-receiving members, a grip member extending from an upper-most first lace-receiving member of the plurality of first lace-receiving members or from an upper-most second lace-receiving member of the plurality of second lace-receiving members, and a locking member configured for securing the article of footwear in the closed configuration. The locking member has a first side portion and a second side portion forming a notch therebetween configured to receive the grip member.

Abstract: A sole structure for an article of footwear comprises a unitary midsole having a first portion and a second portion rearward of the first portion. A bottom surface of the unitary midsole defines a groove extending from a medial side to a lateral side of the unitary midsole, and a top surface of the unitary midsole defines a slit disposed over the groove and extending from the medial side to the lateral side. The unitary midsole forms a living hinge at the groove and the slit, with the living hinge connecting the first portion to the second portion so that the first portion and the second portion are selectively pivotable relative to one another at the living hinge between a first orientation and a second orientation. The groove is wider in the first orientation than in the second orientation, and the slit is wider in the second orientation.

Abstract: An ambulatory assist device includes: an ambulatory engine configured to be mounted at a waist of a user, the ambulatory engine comprising a motor and a controller; an article of clothing wearable by the user and integrated with one or more cables coupled to the motor; and one or more shoes wearable on feet of the user, each shoe coupled to a respective cable via a connector. The controller is configured to: receive sensor data from one or more sensors located on the user; analyze the sensor data to determine gait phases of the user; selectively control the motor to tension the one or more cables and provide an assistive force to the feet of the user during a push off phase of a gait cycle.