Abstract: An ultra-light graphene-rubber foam particle for soles is prepared from, by weight, 60-65 parts of natural rubber, 8-12 parts of isoprene rubber, 8-12 parts of butadiene rubber, 6-8 parts of styrene butadiene rubber, 0.8-1.0 parts of modified graphene, 0.08-0.12 parts of poly(N-vinylacetamide), 0.8-1.0 parts of silicone oil, 3.0-3.5 parts of inorganic nano-particles, 1.2-1.5 parts of activated zinc oxide, 0.8-1.0 parts of zinc stearate, 1.0-1.2 parts of stearic acid, 0.8-1.0 parts of cross-linking agents, 2.0-3.0 parts of flow promotors, and 1.5-1.8 parts of foaming agents. According to the invention, the modified graphene is uniformly dispersed into the rubber materials, so that the ultra-light graphene-rubber foam particle has good thermal stability, wear resistance and tensile strength, the permanent compressive-deformation performance and thermal contraction resistance are improved, and the weight is reduced by over 50%.

Abstract: A retractable piston cleat system which includes at least one inverted ramp in contact with and positioned to transition at least one piston cleat between a retracted and an extended position when a lever arm, or similar device, is moved between a first and a second position. In another embodiment, multiple inverted ramps are used to simultaneously transition multiple piston cleats between retracted and extended positions.

Abstract: A sport footwear is provided with a tank containing a pressure timed evanescence marker fluid, an opening, from which the liquid is spouted, associated with the tank and regulated by a check valve, electromechanical actuation means comprising a wireless receiving card, suitable for imposing the opening condition of the check valve and actuable by means of remote control means comprising at least one wireless network card. Between the wireless network card and the wireless receiving card a wireless type connection is established, suitable for connecting the control means with the actuation means and for setting the opening condition in the check valve in order to achieve the pressure liquid to be spouted from the opening of the footwear.

Abstract: There is provided a footwear capable of efficiently removing vibrations of specific frequencies that could propagate to the human body upon landing during running or walking. A footwear includes a sole; an upper connected to an upper-side perimeter region of the sole; and a vibration absorbing unit which absorbs vibration generated by an impact upon landing. The vibration absorbing unit includes a platy flexible support portion which has a smaller rigidity in the vertical direction than in the horizontal direction, and a weight portion provided in the support portion. The support portion is fixed to the sole or the upper, surrounding a perimeter of the weight portion.

Abstract: A shoe with spikes is disclosed. The shoe includes an accommodation seat, at least one moving plate, a transmission module, a plurality of posts, a plurality of spikes, and a shoe plate. The accommodation seat includes a chamber. The moving plate is disposed in the chamber and controlled to move between a first position and a second position, and includes a plurality of push members. The transmission module is configured to move the moving plate. The posts extend from the accommodation seat toward the ground. The spikes are fixed to the posts and extend out of the chamber. When the moving plate is in the first position, the spikes protrude out of the shoe plate relative to the ground. When the moving plate is moved to the second position, the push members push the shoe plate, and the spikes do not protrude out of the shoe plate.

Abstract: Functional shoes include a sole, a coupling member including a coupling body detachably coupled to the sole; an auxiliary lever coupled to the coupling body so as to be rotatable toward a bottom surface of the sole; and a fixing part protruding from the auxiliary lever toward the bottom surface of the sole and is detachably coupled to the sole, and at least one functional member provided integrally with the coupling body or detachably coupled to the coupling body to provide a predetermined function to the shoes. The fixing part moves between a coupling position in which the fixing part is coupled to the sole and a separation position in which the fixing part is separated from the sole, by a rotation of the auxiliary lever.

Abstract: An apparatus for selectively extending and retracting spikes includes spike actuating assemblies mounted to, and cooperating between, a first plate and a first slider frame, and a second plate and a second slider frame, pivotally mounted to the first plate and first slider frame respectively. Each spike actuating assembly contains a spike. The first slider frame is translatable to actuate the spike actuating assemblies to thereby extend and retract the spikes from the spike actuating assemblies. A cyclically alternating positioner is mounted on the first plate for moving the first and second slider frames relative to the first and second plates. The positioner has only a single actuating button adjacent the heel. Depressing the actuating button a first time causes the positioner to move the slider frames to extend the spikes. Depressing the actuating button a second time causes the positioner to move the slider frames to retract the spikes.

Abstract: A device for slip-damping effect, comprising a sole unit and a spike with a resilient, circumferential fastening which allows the spike to be tilted in case of shearing motion against the ground surface, wherein the device provides grip on hard ground surfaces as a result of the sole unit, and at the same time the risk of slipping on hard, slippery ground surfaces is reduced by the spike.

Abstract: An article of footwear with adjustable cleat members is disclosed. The heights of each cleat member can be adjusted independently. Each cleat member engages a cleat rotating member associated with the sole of the article. The cleat rotating member may be engaged through a hole in a top portion of a sole structure of the article of footwear. The cleat rotating member can be turned to adjust the height of the cleat member.

Abstract: An article of footwear is disclosed that includes upper and a sole structure. The upper defines an interior void that is configured to receive the sole structure and a foot. A lower surface of the upper defines a plurality of apertures, and the sole structure includes a plurality of projections that extend through the apertures to form a ground-engaging surface. The projections are connected to a foot-supporting member that remains within the upper. A locking system is incorporated into the upper and sole structure to secure the sole structure to the upper.

Abstract: Articles of footwear may include self-adjusting studs that adjust to various types of conditions, environmental changes, and applied forces. The self-adjusting studs may have a first portion and a second portion of different levels of compressibilities and/or retractabilities that compress and extend based on the type of surface on which the wearer is walking or running. This footwear with self-adjusting studs may easily transition between surfaces of varying hardness without causing damage to the surface, but also providing the wearer with the necessary amount of traction on each type of surface. Wearers will enjoy the benefit of being able to move on various surfaces without the need to change their footwear multiple times to accommodate the wearer's varying traction needs on different surfaces.

Abstract: A traction cleat applicable for use in field sports is provided with dynamic traction elements having larger radial thickness, cross-sectional area and mass than dynamic elements in golf shoe cleats. The strength of a locking arrangement for the cleat in a shoe-mounted receptacle is enhanced by providing an annular array of spaced locking stubs on the receptacle to engage a similar array of spaced locking posts on the cleat.

Abstract: Adjustable traction is provided in a traction cleat by selectively restricting or not the amount of flexure permitted for a dynamic traction element on the cleat. Restricting flexure is alternatively achieved by an adjustably positionable ring or by rotating the cleat to align the dynamic element with different shoe sole topographical features. A dual locking post is provided to reduce the surface area required on the cleat hub for locking structures. The cleat is formed in a two shot molding process that permits elongations of the dynamic traction elements without sacrificing the integrity of the cleat structure.

Abstract: A shoe includes a vamp, an insole, a flexible pad, a spike set, a mediate part and an outsole part. The flexible pad includes multiple slits and the spikes of the spike set are inserted into the slits. The combination of the flexible pad 11 and the spike set are connected to the mediate part and the insole is connected to the top of the combination by way of injection molding. The vamp is connected to the mediate part and the outsole part is connected to the mediate part and the mediate part by way of injection molding. The flexible pad and the spike set protrude out from the underside of the outsole part.

Abstract: Articles of manufacture and articles of wear may include one or more traction elements. Portions of the traction elements may be extendable and/or retractable. The traction elements have at least a two-plate construction that is designed to moderate a force that is applied to one of the plates. This construction may be used in articles of footwear having cleats or other traction elements. A force applied by a wearer's foot may be moderated by the two-plate construction.

Abstract: Articles of manufacture and articles of wear may include one or more retractable traction elements. A plurality of the retractable traction elements may be interconnected by a base member and may form an insert. Each of the retractable traction elements may include an extension inducing element and a ground (or other surface) contacting element. The extension inducing element may flex in response to an applied force and may cause the ground or other surface contacting element to extend and engage an underlying surface.

Abstract: Various embodiments provide a spike device for a sole of an anti-slid shoe. The device comprises at least a spike and a resilient member comprising an elastic diaphragm hving an inner portion and an outer portion. A spike unit comprising the spike is arranged in an opening in the inner portion of the elastic diaphragm such that the spike protrudes in an axial direction from the elastic diaphragm. The spike unit is movable in an axial direction and fixed in relation to the opening so as to allow the spike unit to move together with the inner portion of the elastic diaphragm. The spike device further comprises a guiding and supporting means for guiding the axial movement of the spike unit when the inner poriton moves in relation to the outer portion. A shoe comprising the spike device is also provided, having respective lower and upper sole members.

Abstract: Articles of footwear may include self-adjusting studs that adjust to various types of conditions, environmental changes, and applied forces. The self-adjusting studs may have a first portion and a second portion of different levels of compressibilities and/or retractabilities that compress and extend based on the type of surface on which the wearer is walking or running This footwear with self-adjusting studs may easily transition between surfaces of varying hardness without causing damage to the surface, but also providing the wearer with the necessary amount of traction on each type of surface. Wearers will enjoy the benefit of being able to move on various surfaces without the need to change their footwear multiple times to accommodate the wearer's varying traction needs on different surfaces.

Abstract: Golf shoe sole 10 having extendable spikes 71 activated by compressed air from a pump 42 located inside sole of shoe. Pump 42 is operated by weight of wearer's heel on a bladder 41 located in heel of sole and check valves 51 maintain pressure in pneumatic system. Pushbutton switch 58 selects movement of spikes 71 between retracted and extended modes.

Abstract: Articles of footwear may include selectively engageable traction elements that engage with a surface or the ground during certain activities and do not engage with the surface or the ground during other activities. The selectively engageable traction elements are caused to engage with the ground or surface when a portion of the footwear is flexed. When the footwear is in its unflexed position, the selectively engageable traction elements may not engage with the ground or surface. Selectively engageable fraction elements may be desired or may be useful during particular, targeted movements such as sharp turns, pivoting, sudden or abrupt starting and stopping motions, and the like and in changing environmental conditions, such as on various surfaces having different characteristics. Wearers of such footwear may benefit from the extra traction provided by the selectively engageable traction elements when performing the targeted movements and/or when wearing the footwear on surfaces with varying conditions.

Abstract: Articles of footwear may include self-adjusting studs that adjust to various types of conditions, environmental changes, and applied forces. The self-adjusting studs may have a first portion and a second portion of different levels of compressibilities and/or retractabilities that compress and extend based on the type of surface on which the wearer is walking or running. This footwear with self-adjusting studs may easily transition between surfaces of varying hardness without causing damage to the surface, but also providing the wearer with the necessary amount of traction on each type of surface. Wearers will enjoy the benefit of being able to move on various surfaces without the need to change their footwear multiple times to accommodate the wearer's varying traction needs on different surfaces.

Abstract: A shoe and an apparatus for selectively extending spikes from the bottom of a shoe. The shoe has a sole having a longitudinal direction a plurality of spike apertures. The apparatus comprises a plurality of spike assemblies, each being locatable within one of the spike apertures an elongate member extending substantially parallel to the longitudinal direction of the shoe and a cyclically alternating positioner for moving the elongate member between the first and second positions. The positioner including an actuating button. Depressing the actuating button a first time causes the positioner to move the elongate member to a first position whereat the spikes are extended from the sole. Depressing the actuating button a second time causes the positioner to move the elongate member to the second position whereat the spikes are retracted into the sole.

Abstract: Traction elements for an article of footwear can include stabilizer elements. An extendable traction element for an article of footwear can include an elongatable extender attached to another portion of a sole structure. An actuator can rest within the extender and cause elongation of the extender in response to a force from the foot of a wearer.

Abstract: An ice crampon including a metal armature, the metal armature being composed of a horizontal support plate, at least one front spike in the form of a blade, and an adjustment device for adjusting the length of said front spike between a withdrawn position and an advanced position. In the intermediate part, each front spike comprises two circular apertures for passage of a fixing screw in both the withdrawn and advanced positions, and in the rear part comprises a sliding link operating in conjunction with a positioning cross-member securely attached to the armature when adjustment is performed. The sliding travel corresponds to the longitudinal distance between the two apertures, and the positioning cross-member is notched over its whole width with a succession of rectangular notches and indentations further enabling transverse positioning of the front spike.

Abstract: A shoe sole and a shoe comprising such a shoe sole are described, with the shoe sole being equipped with integrated anti-slipping elements which are adjustable between an inactive position and an active position by means of a central actuation unit. This arrangement is characterized in that the anti-slipping elements, which in particular have the form of spikes, are respectively supported in individual functional units and are axially adjustable between their active and inactive positions through rotation by the central actuation unit via at least one flexible drive element.

Abstract: Articles of footwear may include self-adjusting studs that adjust to various types of conditions, environmental changes, and applied forces. The self-adjusting studs may have a first portion and a second portion of different levels of compressibilities and/or retractabilities that compress and extend based on the type of surface on which the wearer is walking or running. This footwear with self-adjusting studs may easily transition between surfaces of varying hardness without causing damage to the surface, but also providing the wearer with the necessary amount of traction on each type of surface. Wearers will enjoy the benefit of being able to move on various surfaces without the need to change their footwear multiple times to accommodate the wearer's varying traction needs on different surfaces.

Abstract: Articles of manufacture and articles of wear may include one or more traction elements. Portions of the traction elements may be extendable and/or retractable. The traction elements have at least a two-plate construction that is designed to moderate a force that is applied to one of the plates. This construction may be used in articles of footwear having cleats or other traction elements. A force applied by a wearer's foot may be moderated by the two-plate construction.

Abstract: Articles of manufacture and articles of wear may include one or more traction elements. Portions of the traction elements may be extendable and/or retractable. The traction elements have at least a two-plate construction that is designed to moderate a force that is applied to one of the plates. This construction may be used in articles of footwear having cleats or other traction elements. force applied by a wearer's foot may be moderated by the two-plate construction.

Abstract: A sole and footwear including such a sole is provided with at least one turnable antislip device provided on the tread surface operatively facing towards the ground. The antislip device includes an articulation structure mounted on the tread surface and oscillatable moving away from the tread surface with respect to an oscillation axis; a support element having an antislip side, accommodated in an associated accommodation portion provided for on the tread surface, and rotatingly mounted with respect to the articulation structure around a revolution axis different from the oscillation axis, directing the antislip side selectively in an activated state towards the ground or in an inactivated state towards the tread surface. The rotation of the support element around the revolution axis controls the rotation of the articulation structure with respect to the oscillation axis.

Abstract: An active shoe cleat system with a shoe having a fluid filled chamber in the shoe operably connected to cleats on the bottom of the shoe, at least one fluid communication path with the cleat that responds to pressure or acceleration on the shoe to deploy the cleat by hydraulic or pneumatic pressure. In a preferred embodiment, the cleat may be activated by hydraulics or pneumatics or have a direct fluid path communicating with the cleat or reservoir operably connected to the cleat.

Abstract: Surface-engaging footwear projections can automatically be activated by horizontal sliding motion. In an example, horizontal sliding motion can turn one or more circular rolling members, such as around a horizontal axis, or move one or more sliding members along a horizontal track. The motion of such rolling or sliding members can cause one or more surface-engaging projections to move downward from the footwear into contact with the surface, which can then help slow or stop the horizontal sliding motion.

Abstract: A shoe with retractable metal spikes on a heel area is herein disclosed. A bottom portion of a shoe heel comprises a plurality of metal spikes that retract in and out via a cam plate, driven by a cam lever and activated by a control dial located on the outside face of the heel. When the metal spikes are extended, they can be used to walk safely on snow and/or ice, and can also be used in wintertime sporting events. The metal spikes can be retracted by simply turning the dial and allowing them to retract flush or slightly below the surface of the shoe sole. The invention is viewed as being particularly useful for those in construction, public service, law enforcement or any profession in which walking outside in winter conditions and walking inside on finished floors is a regular and repeating part of their work day.

Abstract: The present invention relates to the footwear industry. More specifically, the present invention concerns a device that, inserted in soles for footwear, allows the user to equip his or her own footwear, mechanically and easily, with anti-slip serrated nails in the presence of snow or ice or other slippery material on the paved surface.

Abstract: Articles of manufacture and articles of wear may include one or more retractable traction elements. A plurality of the retractable traction elements may be interconnected by a base member and may form an insert. Each of the retractable traction elements may include an extension inducing element and a ground (or other surface) contacting element. The extension inducing element may flex in response to an applied force and may cause the ground or other surface contacting element to extend and engage an underlying surface.

Abstract: Articles of footwear may include self-adjusting studs that adjust to various types of conditions, environmental changes, and applied forces. The self-adjusting studs may have a first portion and a second portion of different levels of compressibilities and/or retractabilities that compress and extend based on the type of surface on which the wearer is walking or running. This footwear with self-adjusting studs may easily transition between surfaces of varying hardness without causing damage to the surface, but also providing the wearer with the necessary amount of traction on each type of surface. Wearers will enjoy the benefit of being able to move on various surfaces without the need to change their footwear multiple times to accommodate the wearer's varying traction needs on different surfaces.

Abstract: An article of footwear including an outsole having a plurality of first traction members extending from the outsole and defining a plurality of openings. A plurality of second traction members extend through the openings in the outsole and are configured to move between an extended position, where the second traction members are fully extended in the openings, and a retracted position, where the second traction members are at least partially retracted within the openings. A compressible member is positioned adjacent to the plurality of second traction members and is configured to compress when the second traction members move to the retracted position.

Abstract: An apparatus for selectively extending and retracting spikes includes spike actuating assemblies mounted to, and cooperating between, a first plate and a first slider frame, and a second plate and a second slider frame, pivotally mounted to the first plate and first slider frame respectively. Each spike actuating assembly contains a spike. The first slider frame is translatable to actuate the spike actuating assemblies to thereby extend and retract the spikes from the spike actuating assemblies. A cyclically alternating positioner is mounted on the first plate for moving the first and second slider frames relative to the first and second plates. The positioner has only a single actuating button adjacent the heel. Depressing the actuating button a first time causes the positioner to move the slider frames to extend the spikes. Depressing the actuating button a second time causes the positioner to move the slider frames to retract the spikes.

Abstract: The invention concerns a spike device (8, 18) for a sole (9) of an anti-slid shoe (1), comprising a spike (22, 32) and a resilient means, said resilient means being arranged to, when in a stressed state, allow the spike (22, 32) to protrude from the sole (9) of the shoe (1) for providing anti-slid properties and to, when reverting to an unstressed state, retract the spike (22, 32) at least partly into the sole (9).

Abstract: The invention concerns a sole arrangement and a shoe comprising such a sole arrangement. The sole arrangement is characterized in that it comprises an upper sole member and a lower sole member wherein the lower sole member is positioned closer to the ground during normal use of the sole arrangement, said lower sole member being movably attached to the upper sole member allowing the lower sole member to move in a vertical direction relative to the upper sole member, a plurality of vertically extending spikes arranged inside the sole arrangement such that the spikes are moveable relative to the lower sole member, said lower sole member having a plurality of holes adapted to receive the spikes as to allow the spikes to protrude from the lower sole member in a downward direction, and a locking sole member located between the upper and lower sole members.

Abstract: A convertible shoe having a shoe body and a shoe sole. An air channel formed in said shoe sole including pressurized air inlet and air exhaust. An elongated pocket or multiple individual pockets in the bottom of the shoe sole and along said air channel. A flexible wall portion between said air channel and pocket that expands into the pocket(s) upon pressurization of said air channel. A protrusion affixed to said flexible wall portion and which extends out of said pocket and into engagement with a support surface when said air channel is pressurized.

Abstract: Golf shoe sole 10 having retractable plastic spikes 71 activated by compressed air from a pump 42 located inside sole of shoe. Pump 42 is operated by weight of wearer's heel on a bladder 41 located in heel of sole and check valves 51 maintain pressure in pneumatic system. Pushbutton switch 58 selects movement of spikes 71 between retracted and extended modes.

Abstract: Golf shoe sole 10 having extendable spikes 71 activated by compressed air from a pump 42 located inside sole of shoe. Pump 42 is operated by weight of wearer's heel on a bladder 41 located in heel of sole and check valves 51 maintain pressure in pneumatic system. Pushbutton switch 58 selects movement of spikes 71 between retracted and extended modes.

Abstract: An active shoe cleat system with a shoe having a fluid filled chamber in the shoe operably connected to cleats on the bottom of the shoe, at least one fluid communication path with the cleat that responds to pressure or acceleration on the shoe to deploy the cleat by hydraulic or pnuematic pressure. In a preferred embodiment, the cleat may be activated by hydraulics or pneumatics or have a direct fluid path communicating with the cleat or reservoir operably connected to the cleat.

Abstract: An improved boot for use in ice and snow conditions that combines a flared snowshoe-like secondary sole with integral and selectively deployable crampons. The expanded secondary sole extends approximately ¼? or more down from the primary sole of the boot and includes retractable crampons attached to the expanded sole to increase traction in snow or ice. The expanded sole functions to increase the surface area of the “footprint”, thereby reducing the overall depth of the footprint and making traversing in soft conditions (snow, mud, sand) less fatiguing to the wearer. The crampons may pivot outward from inside pockets in the secondary sole or, alternatively, may slide outward in a stiletto-fashion and/or unfold. The crampons may be individually deployable or simultaneously deployable by a central release button.

Abstract: An article of footwear is disclosed that includes upper and a sole structure. The upper defines an interior void that is configured to receive the sole structure and a foot. A lower surface of the upper defines a plurality of apertures, and the sole structure includes a plurality of projections that extend through the apertures to form a ground-engaging surface. The projections are connected to a foot-supporting member that remains within the upper. A locking system is incorporated into the upper and sole structure to secure the sole structure to the upper.

Abstract: A shoe and an apparatus for selectively extending spikes from the bottom of a shoe. The shoe has a sole having a longitudinal direction a plurality of spike apertures. The apparatus comprises a plurality of spike assemblies, each being locatable within one of the spike apertures an elongate member extending substantially parallel to the longitudinal direction of the shoe and a cyclically alternating positioner for moving the elongate member between the first and second positions. The positioner including an actuating button. Depressing the actuating button a first time causes the positioner to move the elongate member to a first position whereat the spikes are extended from the sole. Depressing the actuating button a second time causes the positioner to move the elongate member to the second position whereat the spikes are retracted into the sole.

Abstract: An active shoe cleat system with a shoe having a processor in the shoe operably connected to cleats on the bottom of the shoe, at least one sensor that measures at least one parameter pertaining to ambient conditions on the shoe, a projection within the cleats that are deployed in response to control signals from the processor generated in response to data from information provided in part by the sensor, and means for urging the projection outward from within the cleat. In a preferred embodiment, the cleat may be activated by hydraulics or pneumatics or have a direct motor driven cable, gear or shaft work system. The sensors may monitor a variety of ambient conditions such as speed, torque, acceleration, force, water presence or other factors affecting traction and performance.

Abstract: A shoe sole and a shoe comprising such a shoe sole are described, with the shoe sole being equipped with integrated anti-slipping elements which are adjustable between an inactive position and an active position by means of a central actuation unit. This arrangement is characterized in that the anti-slipping elements, which in particular have the form of spikes, are respectively supported in individual functional units and are axially adjustable between their active and inactive positions through rotation by the central actuation unit via at least one flexible drive element.

Abstract: An improved athletic shoe for use in situations where cleats are required. The shoe is provided with a plurality of cleats coupled to the sole of the shoe. Also coupled to the sole of the shoe and provided around the cleats is a resilient material such as rubber. The cleats and rubber are sized and configured so as to allow the resilient material to compress and extend the cleats relative to the material when pressure is applied to the sole. Similarly, when weight is withdrawn from the sole, the resilient material biases the cleats into a retracted position, thereby allowing the shoe to move laterally or in any other direction relative to the ground. By allowing the shoe to move freely when weight is released, injuries otherwise associated with an athlete being struck while the cleats are engaged in the ground are substantially eliminated.

Abstract: A sole and footwear including such a sole is provided with at least one turnable antislip device provided on the tread surface operatively facing towards the ground. The antislip device includes an articulation structure mounted on the tread surface and oscillatable moving away from the tread surface with respect to an oscillation axis; a support element having an antislip side, accommodated in an associated accommodation portion provided for on the tread surface, and rotatingly mounted with respect to the articulation structure around a revolution axis different from the oscillation axis, directing the antislip side selectively in an activated state towards the ground or in an inactivated state towards the tread surface. The rotation of the support element around the revolution axis controls the rotation of the articulation structure with respect to the oscillation axis.