EP2967161B1 - Schutzpolster mit einem dämpfungselement - Google Patents

Schutzpolster mit einem dämpfungselement Download PDF

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Publication number
EP2967161B1
EP2967161B1 EP13877524.2A EP13877524A EP2967161B1 EP 2967161 B1 EP2967161 B1 EP 2967161B1 EP 13877524 A EP13877524 A EP 13877524A EP 2967161 B1 EP2967161 B1 EP 2967161B1
Authority
EP
European Patent Office
Prior art keywords
impact shell
protective pad
coupling frame
members
impact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13877524.2A
Other languages
English (en)
French (fr)
Other versions
EP2967161A4 (de
EP2967161A1 (de
Inventor
Carl Behrend
Oliver Mclachlan
Catherine F. MORRISON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nike Innovate CV USA
Original Assignee
Nike Innovate CV USA
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Filing date
Publication date
Priority claimed from US13/832,730 external-priority patent/US10206437B2/en
Application filed by Nike Innovate CV USA filed Critical Nike Innovate CV USA
Publication of EP2967161A1 publication Critical patent/EP2967161A1/de
Publication of EP2967161A4 publication Critical patent/EP2967161A4/de
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Publication of EP2967161B1 publication Critical patent/EP2967161B1/de
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Classifications

    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/015Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means
    • A41D13/0156Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means having projecting patterns
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/08Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/015Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means
    • A41D13/0153Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means having hinged or separable parts
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/08Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
    • A63B71/12Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders
    • A63B71/1225Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders for the legs, e.g. thighs, knees, ankles, feet
    • A63B2071/1258Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders for the legs, e.g. thighs, knees, ankles, feet for the shin, e.g. shin guards
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00Characteristics of used materials
    • A63B2209/10Characteristics of used materials with adhesive type surfaces, i.e. hook and loop-type fastener

Definitions

  • Protective pads are traditionally used to limit an impact force experienced by a person or an object. Some examples of protective padding rely on foam-like materials that are placed between a protected surface and a point of impact. Traditional foam may have limitations with respect to repeated cleaning, such as high-temperature washing, bulkiness, and manufacturing limitations.
  • EP1588636 discloses a protective device particularly for sports clothing, comprising a shock-absorbing element, which is fixed inside an item of clothing and supports an impact-resistant layer that protrudes externally with respect to the item of clothing through an appropriately provided opening thereof; a protective shield is associated externally with respect to the element and the item of clothing.
  • the impact-resistant layer is made of elastically deformable material and provided by a plurality of perforated protrusions, which are directed outward and are interconnected so as to form a grid that is substantially capable of absorbing impacts.
  • Embodiments of the present invention relate to a protective pad that is comprised of an impact shell and a damping component.
  • the damping component may be formed by a plurality of connecting members that are separated from the impact shell by a plurality of extension members that extend between a damping lattice and the impact shell.
  • the damping component may additionally or alternatively be formed by a sheet-like form that is separated from the impact shell by a plurality of extension members that extend between the solid sheet and the impact shell.
  • the damping component absorbs a portion of an impact force that is distributed across the damping component by the impact shell.
  • the geometry of the damping component may be configured to provide a desired level of impact attenuation at specific locations of the protective pad.
  • the dampening component may be affixed with the impact shell by way of a coupling frame incorporated along a perimeter of the impact shell.
  • the coupling frame may be overmolded into the impact shell along the perimeter of impact shell and plurality of perforations proximate the perimeter.
  • the present invention relates to a protective pad that is comprised of an impact shell and a damping component.
  • the damping component may be formed by a plurality of connecting members that are separated from the impact shell by a plurality of extension members.
  • the damping component may additionally or alternatively be formed by a sheet-like form that is separated from the impact shell by a plurality of extension members that extend between the solid sheet and the impact shell.
  • the damping component absorbs a portion of an impact force that is distributed across the damping component by the impact shell.
  • the geometry of the damping component may be configured to provide a desired level of impact attenuation at specific locations of the protective pad.
  • the dampening component may be affixed with the impact shell by way of a coupling frame incorporated along a perimeter of the impact shell.
  • the coupling frame may be overmolded into the impact shell along the perimeter of impact shell and plurality of perforations proximate the perimeter.
  • the present document discloses a protective pad.
  • the protective pad is comprised of an impact shell having an exterior surface and an opposite interior surface.
  • the impact shell has a perimeter that is defined, at least in part by a medial edge, an opposite lateral edge, a top edge, and an opposite bottom edge.
  • the impact shell further comprises (1) a plurality of perforations extending from the exterior surface to the interior surface around proximate one or more portions of the perimeter, of the impact shell; and (2) a coupling frame surrounding at least a portion of the perimeter and extending through the plurality of perforations of the impact shell.
  • the protective pad is comprised of a damping lattice positioned proximate the interior surface of the impact shell and affixed to the coupling frame.
  • the damping lattice is formed of an elastomeric material.
  • the damping lattice is comprised of (1) a plurality of interconnected joining members having an outer surface and an opposite inner surface; and (2) a plurality of extension members extending beyond the inner surface towards the interior surface of the impact shell.
  • the present document discloses a protective pad comprising an impact shell formed from a first material.
  • the impact shell comprised of an exterior surface and an opposite interior surface.
  • the interior surface of the impact shell has a curved profile extending outwardly in a direction of the outer surface from the medial edge to the lateral edge.
  • the impact shell is further comprised of a perimeter defined, at least in part, by a medial edge, an opposite lateral edge, a top edge, and an opposite bottom edge. Additionally, the impact shell is further comprised of a plurality of perforations around the perimeter of the impact shell.
  • the protective pad is further comprised of a damping lattice positioned proximate the interior surface of the impact shell.
  • the damping lattice is formed of a second material that is different from the first material.
  • the damping lattice is comprised of: (1) a plurality of interconnected joining members having an outer surface and an opposite inner surface; (2) a plurality of voids extending between the outer surface and the inner surface formed by the plurality of joining members; and (3) a plurality of extension members extending between the inner surface of the damping lattice and the interior surface of the impact shell.
  • the protective pad is further comprised of a coupling frame surrounding at least a portion of the impact shell perimeter and passing through the plurality of perforations from the exterior surface to the interior surface.
  • the coupling frame is formed from a second material. The damping lattice affixed to the impact shell by way of the coupling frame.
  • a protective pad comprising a rigid impact shell having an exterior surface and an opposite interior surface curved between a medial edge and an opposite lateral edge.
  • the impact shell further comprising a plurality of perforations around a perimeter of the impact shell.
  • the plurality of perforations configured for receiving a coupling frame encompassing the plurality of perforations such that the coupling frame formed of a thermoplastic elastomer overmolded on to the impact shell.
  • the coupling frame encompasses the plurality of perforations by passing through the perforations from the exterior surface to the interior surface of the impact shell.
  • the protective pad is further comprised of a damping lattice that is coupled to the interior surface of the rigid impact shell at the coupling frame.
  • the damping lattice is formed of the same thermoplastic elastomer as the coupling frame.
  • the damping lattice is comprised of (1) a plurality of interconnected joining members having an outer surface and an opposite inner surface; (2) a plurality of cylindrically-shaped extension members, such that each of the plurality of cylindrically-shaped extension members extend from the inner surface of the interconnected joining members to a distal end.
  • the protective pad is contemplated as providing protection to one or more portions of a body or object.
  • a protective pad implementing one or more aspects provided herein may be utilized to provide protection and/or force damping functions to a variety of body parts. Examples include, but are not limited to, shin guards, knee pads, hip pads, abdominal pads, chest pads, shoulder pads, arm pads, elbow pads, and implementation in the protection of the head (e.g., helmets). Additionally, it is contemplated that this concept is utilized on inanimate objects (e.g., posts, walls, vehicles). Therefore, it is contemplated that aspects provided herein may be useful in a variety of situations at a variety of locations.
  • a protective pad is an article for reducing an effect of an impact force on an associated portion of a wearer.
  • a shin guard utilizing features discussed herein may reduce the perception of energy imparted on the shin region of a user through the use of the protective pad. This change in perception may be accomplished in a variety of ways. For example, the energy applied at a point of impact may be distributed over a greater surface area, such as through a rigid impact shell. Further, it is contemplated that a dissipating/absorbing material may provide a compressive function for absorbing and/or dissipating a portion of the impact force. Traditionally, a foam material may be used to provide this absorption-type functionality. However, foam-like material may have several disadvantages, such as poor response to washing (e.g., tendency to break down or otherwise lose protective qualities with repeated washes), the inability to transfer moisture and air from an inner surface to an outer surface, and weight issues.
  • arrangements disclosed herein look to provide at least some of the advantages of a protective pad (e.g., energy distribution and energy absorption) while reducing some of the disadvantages associated with a traditional protective pad.
  • Fig. 1 illustrates an exemplary protective pad 100.
  • the protective pad 100 is depicted as a shin guard in an as-worn position on a leg of a wearer.
  • the shin guard protective pad 100 has a top edge 110, a bottom edge 112, a lateral edge 108, and a medial edge (not visible as depicted).
  • the protective pad 100 curves from the medial edge to the lateral edge 108 to form a curved outer (and interior) surface about the wearer's shin region of her leg.
  • the protective pad illustrated in Fig. 1 is further comprised of a first strap 114 and a second strap 116.
  • the straps may be formed as part of the damping component. Further, it is contemplated that the straps may extend from a first side (e.g., medial side) and couple on an opposite side (e.g., lateral side). The coupling of the strap may occur with the impact shell 101 and/or a portion of the damping component.
  • the protective pad 100 of Fig. 1 is depicted as being secured to the wearer's leg utilizing a plurality of straps, it is contemplated that an alternative securing mechanism may be implemented.
  • the protective pad may be maintained in a position by a pocket in other articles of clothing, permanently/temporarily coupled to one or more other articles (e.g., pants, socks, shirt, and girdle), temporary adhesives, sleeve-like articles, and the like.
  • an ability of the protective pad 100 to move e.g., slide, shift, compress, deform
  • a securing mechanism may allow for that type of movement.
  • Fig. 2 depicts a medial perspective view of the protective pad 100.
  • an impact shell 101 is depicted.
  • the impact shell 101 provides at least a distributive function (among other functions) to the protective pad 100.
  • the impact shell 101 is contemplated as being formed from a rigid material, such as a polymer (e.g., polypropylene, woven polypropylene, polyethylene, polystyrene, polyester, polycarbonate, polyamide, and the like), carbon fiber, metals (e.g., aluminum, titanium), natural materials (e.g., bamboo), and other materials. Further, it is contemplated a plurality of materials may be used in the formation of the impact shell 101.
  • a polymer e.g., polypropylene, woven polypropylene, polyethylene, polystyrene, polyester, polycarbonate, polyamide, and the like
  • carbon fiber e.g., aluminum, titanium
  • natural materials e.g., bamboo
  • a plurality of materials may
  • lamination of sheet-like materials may form an impact shell with a variety of characteristics.
  • various regions of a shin guard may be formed by different materials (e.g., along a centerline a denser portion/type of material than along the perimeter regions).
  • multiple independent portions may, in combination, form the impact shell. Each of the independent portions may be formed from one or more materials that may be similar or different.
  • the impact shell 101 is depicted in this example as having a curved exterior surface 102 that curves from the medial edge 106 to a lateral edge.
  • the interior surface (not depicted) curves in a near parallel manner as the exterior surface 102 (outer surface).
  • the interior and the exterior surface 102 may not be parallel (e.g., have a common radius).
  • a consistent curved profile is not achieved across the length extending between the medial edge 106 and a lateral edge based on the organic shape of the underlying body part when in an as-worn position. Therefore, when discussed herein, the curved nature of the impact shell (and the damping component to be discussed hereinafter) is not limited to a continuously constant curve, but instead to the general curve-like aspect implemented to protect an underlying portion of a wearer.
  • Fig. 3 depicts a front perspective view of the protective pad 100, in accordance with aspects of the present invention.
  • the protective pad 100 is depicted with the exterior surface 102 of the impact shell 101 forward facing.
  • the impact shell 101 has a perimeter defined, at least in part, by the top edge 110, the lateral edge 108, the bottom edge 112, and the medial edge 106.
  • the terms medial and lateral are relative terms that merely are intended to convey a concept of a first side edge and a second side edge.
  • This terminology is used to bring awareness to the mirror-imaging that may be used for a protective pad intended for use on a left portion (e.g., left leg) of the body and a protective pad intended for use on a right portion (e.g., right leg) of the body.
  • the impact shell (and/or other portions of the protective pad) may be formed from two or more portions.
  • a first portion forms a lateral portion and a second portion forms a medial portion of the impact shell.
  • the two portions may be flexibly coupled using one or more materials and/or mechanisms.
  • an underlying damping component may form at least a portion of a coupling mechanism to maintain the first portion and the second portion in a desired relative orientation.
  • a first portion may be formed from a first material and a second portion may be formed from a second material.
  • a location on a protective pad that demands a greater reliance to impact forces may be formed from a first material that is more reliant, but more dense than a second material forming a second portion in a less prone to impact location. It is contemplated that materials, sizes, and locations may be adjusted to achieve a variety of benefits, such as durability, weight savings, ventilation, and the like.
  • Fig. 4 depicts a back perspective of the protective pad 100, in accordance with aspects of the present invention.
  • a damping component 201 is illustrated.
  • the damping component 201 is comprised of a plurality of joining members 202 forming a network of interconnected members that, in combination, form a lattice-like structure.
  • a mesh-like geometric pattern may be formed by the joining members.
  • Various geometric configurations of joining members will be discussed in closer detail hereinafter with respect to Figs. 7-10 .
  • An exemplary damping component 201 provides a damping effect for an impact force experienced by the impact shell 101.
  • the damping component 201 may absorb and/or dissipate some of the impact energy prior to its being transferred to the wearer of the protective pad 100. This damping, dissipation, and/or absorption effect may be accomplished through a variety of characteristics.
  • an elastomeric material forms the damping component 201 in an exemplary aspect.
  • An elastomeric material may include a thermoplastic elastomer, a thermoset elastomer, rubber, synthetic rubber, and other materials that demonstrate a low Young's modulus and a high yield strain.
  • elastomer material examples include, but are not limited to, a GLS 311-147 thermoplastic elastomer available from the PolyOne Corporation of Avon Lake, Ohio.
  • An exemplary elastomer may exhibit a tensile strength (yield, 23° C) ranging from 0.8-8.7 MPa, a Shore Hardness (A) of16-56, and an elongation at break (@23°C) of up to 1200% (e.g., about 1000%, 800%,).
  • Yield, 23° C ranging from 0.8-8.7 MPa
  • Shore Hardness (A) of16-56 elongation at break
  • @23°C elongation at break
  • additional materials exhibiting characteristics greater than or less than one or more of the provided ranges in one or more of the provided characteristics may also/alternatively be utilized. Further, alternative materials are contemplated.
  • a geometric organization of the joining members may also facilitate reducing a perceived impact force.
  • the thickness, length, void size, and void geometry may all affect the perceived level of impact energy. For example, longer joining members forming the lattice structure may result in a "looser" lattice that is more flexible and less resistant to deformation.
  • a diamond-shaped void between the joining members may be more susceptible to deformation in a skewing direction than a triangle-like void.
  • the skewing of the lattice may be more effective for absorbing off-axis impact forces (e.g., tangential impacts to the impact shell). Additionally, the thicker the joining members forming the damping lattice, the more resistant to deformation the damping component may be (and therefore providing less damping characteristics as perceived by a wearer). Additionally, as will be discussed, the offset of an extension member, the cross-sectional shape of an extension member and the size/shape of an extension member void may all affect a perceived level of impact force.
  • the damping component 201 of Fig. 4 depicts an outer surface 204 formed by a plurality of interconnected joining members 202.
  • the joining members 202 may be formed in a common manufacturing process, such as injection molding, such that the joining members as-a-whole form a lattice network of the damping component 201.
  • the joining members 202 define a plurality of voids, such as a void 216.
  • the void 216 extends through the outer surface 204 and an inner surface 206 (not identified) of the joining members.
  • two or more joining members form a two-dimensional shape, which may be organic in nature and/or linear in nature, that internal void not occupied by a portion of one of the members is an exemplary void.
  • an extension member 208 may be located (but not in all aspects), as will be discussed in greater detail with respect to Fig. 5 hereinafter.
  • an extension member void 214 may extend through the extension member and the joining member outer surface 204. Similar to the extension member, the extension member void will be discussed in greater detail hereinafter.
  • the outer surface 204 forms a user-contacting surface, in an exemplary aspect.
  • the outer surface 204 may be user contacting (e.g., positioned adjacent to the user's body).
  • one or more additional articles e.g., sock, pant leg, sleeve, lining, water absorbing materials, adhesives, tacky materials, and the like
  • the term "user-contacting surface” is generally descriptive of a direction of orientation when in an as-used state, but not limiting to requiring direct user contact.
  • the damping component 201 may generally conform to the interior surface of the impact shell 101 geometry. For example, if the interior surface of the impact shell 101 has a curved profile, the damping component 201, when coupled to the interior surface, assumes a similar curved profile. However, it is contemplated that one or more geometric attributes of the damping component 201 may introduce a different profile (e.g., variable offsets by extension members, variable joining member thickness, points of coupling between the damping component and the interior surface), as will be discussed in Fig. 14 hereinafter.
  • a different profile e.g., variable offsets by extension members, variable joining member thickness, points of coupling between the damping component and the interior surface
  • An extension member 208 may extend from the inner surface (206 in Fig. 6 ) of the damping component 201 outwardly toward the inner surface (104 in Fig. 6 ) of the impact shell 101.
  • An extension member void may extend through at least a portion of the extension member.
  • an extension member void 214 is a cavity of space that passes through the outer surface of the damping component 201 through the offset length of the extension member and out the distal end of the extension member.
  • an extension member void may only extend a portion of the extension member and/or connecting member. Further, it is contemplated that the extension member void may not be present in one or more extension members.
  • an extension member void may have any shape, size, and/or orientation.
  • an extension member void may have a similar cross-sectional shape to an associated extension member.
  • an extension member void may have a different cross-section shape from an associated extension member. Examples of cross sectional shapes include, but are not limited to, circle, oval, rectangular, organic in nature, star-like, triangular, or any other shape.
  • An extension member void may provide enhanced impact attenuation characteristics through the introduction of crumple zone-type functionality.
  • the inclusion of a void-like space provides an area in which a portion of the damping component 201 (extension member and/or connecting member) may deform to absorb an impact force.
  • the inclusion of the extension member voids may provide a mass reduction option that enhances the usability and desirability of the resulting protective pad.
  • an extension member void may provide a channel through which a bonding agent is introduced to the impact shell for maintaining the impact shell and damping component in a coupled state.
  • Fig. 4 also depicts four exemplary coupling points 118, 120, 122, and 124.
  • the coupling points may include locations at which the damping component is coupled to the impact shell.
  • the coupling points may represent points of a bonding agent, ultrasonic welding, mechanical fasteners, compression fittings, protrusions extending through the impact shell, and the like. While four exemplary coupling points are depicted, it is contemplated that any number and/or location of coupling points may be utilized. Further, it is contemplated that the coupling points are instead coupling areas that span in a variety of shapes, sizes, and directions (e.g., linear, perimeter, shape contoured, and the like).
  • the damping component may be coupled with the impact shell at one or more coupling points (or areas) by way of an overmold process.
  • a material e.g., TPE
  • TPE thermoplastic polyethylene
  • an inner surface of the impact shell may be overmolded with a TPE film (or any material suitable for coupling with the damping component).
  • the damping component which may be formed from a TPE material, may then be ultrasonically welded to the TPE film of the impact shell.
  • the TPE film may provide a material to which the damping component may be coupled when the underlying impact shell material is less capable.
  • Fig. 5 depicts a perspective view of the damping component formed with a lattice, in accordance with aspects of the present invention.
  • the inner surface 206 is exposed along with a number of exemplary extension members 208, extension member voids 214, and voids 216 between joining members 202.
  • an offset 210 is the length that an extension member extends from the inner surface 206. This offset distance may form a compressible void between the connecting members of the damping lattice and the impact shell.
  • the extension members 208 are depicted as having a cylindrical shape, it is contemplated that any shape may be implemented.
  • a conical shape having a base extending from a lattice or sheet-like form For example, a conical shape having a base extending from a lattice or sheet-like form, a conical shape having a distal end formed by the base, a pyramid shape (with a base at any location), a spherical shape, a prismatic shape, a cuboid shape, any-numbered-ahedron shape, and the like.
  • an organic form may be implemented.
  • a combination of shapes/forms may be utilized in any combination.
  • Fig. 6 depicts a profile view of a portion of an exemplary protective pad.
  • the impact shell 101 is depicted as forming a lower portion of Fig. 6 .
  • the inner surface 104 is coupled, at least in one or more locations, with a distal end 212 of an extension member, such as the extension member 208.
  • an extension member such as the extension member 208.
  • portions of the damping component 201 that are able to contact the impact shell may not be coupled with the impact shell.
  • the damping component may be placed under tension (e.g., stretched) across a curved inner surface of the impact shell such that the inner surface curves away from the damping component 201.
  • extension members 208 may come in contact with the inner surface of the impact shell when an impact force results in sufficient forces to overcome elastic properties of the damping component, which in turn applies additional tension that allows the damping component to stretch and conform, at least in part, to the shape of the impact shell. Further, it is contemplated that portions of the damping component other than the distal ends couple with the impact shell (e.g., a perimeter element, an extension member protrusion).
  • the extension member 208 is depicted as extending from the inner surface 104 of the impact shell 101 to the inner surface 206 formed by the joining members 202 of the damping component 201. Also depicted are the extension member voids 214 extending through the entire thickness of the damping component 201. Further, it is contemplated that a void may also extend through the impact shell such that a ventilation channel is formed. A void (not depicted) extending through the impact shell 101 may correspond to an extension member void and/or it may not correspond (e.g., not align) with an extension member void and instead provide a mass reduction and/or ventilation option from the exterior surface 102 to the inner surface 104.
  • the offset 210 is depicted as remaining consistent among the illustrated extension members. However, it is contemplated that an offset distance may vary with particular extension members, as will be discussed with respect to Fig. 14 hereinafter.
  • a thickness between the exterior surface 102 and the inner surface 104 is depicted as remaining constant for the impact shell 101, it is contemplated that thickness may vary. Further, while a contiguous material is depicted as forming the impact shell 101, it is contemplated that multiple materials may also be used. Similarly, the thickness extending between the outer surface 204 and the inner surface 206 of the damping component 201 is depicted as remaining constant. However, it is contemplated that the thickness may vary with location. Further, the extension members 208 are depicted having substantially parallel profile sides; however, it is contemplated that any relative orientation may be used (e.g., tapered profile allowing for an increasing resistance to compression with distance of deflection).
  • a skin layer 602 may be affixed to the outer surface 204 of the damping component 201 on one or more portions of the damping component 201 (as will be depicted in FIG. 28 hereinafter).
  • the skin layer 602 has an outer surface 604 and an inner surface 606.
  • the outer surface 604 is a skin-contacting (e.g., wearer-contacting) surface in an exemplary as-worn aspect.
  • the skin layer 602 may be a thin layer or film applied to the outer surface 204 to provide a more appealing skin contacting surface for a wearer when in an as-worn position.
  • the skin layer may be formed from a thermoplastic elastomer (TPE).
  • TPE thermoplastic elastomer
  • generis classes of TPEs include styrenic block copolymers, polyolefin blends, elastomeric alloys (TPE-v or TPV), thermoplastic polyurethanes, thermoplastic copolyester, and thermoplastic polyamides.
  • the skin layer may be formed from a flocking process or from alternative laminates, decals, and materials.
  • Figs. 7-13 depict exemplary configuration for extension members, extension member voids, and connecting members of a damping component.
  • Fig. 7 depicts a diamond-like joining member 202 (connecting member) configuration having commonly sized extension members 208 and extension member voids 214 at each intersection of connecting members, in accordance with aspects of the present invention.
  • the resulting void 216 is a rectangular-shaped void having four primary edges defined by the joining members 202.
  • Fig. 8 depicts a damping lattice configuration comprised of four similarly sized connecting members 912, 914, 916, and 918, in accordance with an exemplary aspect of the present invention.
  • similarly sized/shaped extension members (902, 904, 906, and 908) are located at the intersections of the similarly-sized connecting members.
  • the damping lattice is also comprised of two additional connecting members 920 and 922 that extend from the extension members 908 and 904.
  • the connecting members 920 and 922 are joined at a location identifiable by an extension member 910.
  • a triangular void 924 is formed between the connecting members 912, 914, 920, and 922.
  • the triangular void may provide greater resistance to deformation in a lateral direction (e.g., a tangential impact to the protective pad) as a result of inherent geometric characteristics of a triangle compared to a rectangular shape.
  • connecting members 920 and 922 While two connecting members 920 and 922 are illustrated, it is contemplated that a single connecting member may span the distance between the extension members 904 and 908. Similarly, it is contemplated that an extension member may be located at any position along one or more connecting members. Further, while connecting members are discussed as discrete elements, it is contemplated that connecting members of a damping lattice are a contiguously formed element without discrete portions.
  • Fig. 9 depicts a damping lattice configuration comprising multiple sized extension members and extension member voids, in accordance with aspects of the present invention.
  • a damping lattice is comprised of a first extension member 1002, a second extension member 1004, and a third extension member 1006.
  • the first extension member 1002 and the second extension member 1004 share a common cylindrical shape, but of a different diameter.
  • the first extension member 1002 has a larger diameter than the second extension member 1004.
  • the first extension member may provide a greater resistance to compression based on the larger diameter; therefore, it may be suitable for locations on a protective pad where such characteristics are desired (e.g., edges, near bone structures, near soft-tissue structures, near anticipated points of impact).
  • the second extension member 1004 may be desired in a location in which a great degree of relative impact absorption is desired. Both the first extension member 1002 and the second extension member 1004 share similarly sized extension member voids 1008 and 1010. Further, it is contemplated that an extension member void depth may also vary without affecting a cross-section size.
  • the third extension member 1006 is sized similar to the first extension member 1002. However, an extension member void 1012 of the third extension member 1006 is larger in size relative to the extension member voids 1008 and 1010. A larger extension member void may provide a greater volume of space for deformation of the extension member, which may result in a greater degree of impact force absorption.
  • Fig. 10 depicts a damping lattice configuration comprised of a plurality of connecting members (1110, 1112, 1116, and 1118) and a plurality of extension members (1102, 1104, 1106, and 1108), which in combination form a void 1120, in accordance with aspects of the present invention.
  • the connecting members 1118 and 1116 are of a similar length that is longer than the connecting members 1110 and 1112.
  • the void 1120 is a diamond-like shape.
  • Fig. 11 depicts a damping lattice configuration comprised of curved connecting/joining members, in accordance with an exemplary aspect of the present invention.
  • Fig. 11 depicts two connecting members 1122 and 1124 extending from an extension member 208 to terminate at another extension member, which results in a void 1126.
  • the void 1126 is defined, at least in part, by the curved connecting members.
  • the connecting member 1122 is depicted as having a mirror-image curve to the connecting member 1124, it is contemplated that any shape (e.g., linear, organic, or any combination) may be used.
  • any shape e.g., linear, organic, or any combination
  • combinations of linear and organic shaped connecting members may be used concurrently.
  • any size, orientation, and ultimate shape may be implemented in any combination at any location to achieved desired damping results, such as impact force attenuation.
  • Fig. 12 depicts a damping lattice configuration comprised of organic shaped connecting members.
  • Fig. 12 is comprised of a plurality of various shapes and sizes of connecting members, such as connecting members 1202, 1204, and 1206. While a linear connecting member may be utilized to extend from a first extension member to a second extension member, it is contemplated that an organic connecting member, such as the connecting member 1202, incorporates one or more curves, bends, or other variations that may extend the length of the connecting member beyond a pure linear aspect. The addition of organic forms may provide additional damping properties by allowing additional movement in the damping lattice upon impact.
  • an extension member may be represented as an increase in the thickness of the connecting members relative to a thickness at a different location along the connecting member. For example, it is contemplated that along the connecting member 1204 the depth increases at a portion, such as the middle of the upwardly curved center portion to effectively form an offset as previously discussed with respect to the offset 210 of Fig. 6 . Stated differently, a change in thickness of a connecting member allows for at least a portion of the inner surface of the connecting member to be offset from an inner (i.e., closest) surface of the impact shell.
  • Fig. 13 depicts a damping lattice configuration comprised of organic-shaped and linearly-shaped connecting members.
  • Fig. 13 illustrates that different connecting member lengths and shapes may be used in combination.
  • a connecting member 1302 is linear in shape, but extends a similar ultimate length as a connecting member 1304 that is more organic in shape.
  • yet an additional connecting member 1306 may extend a greater distance from a common extension member 208.
  • any width, thickness, length, shape, cross-sectional shape, material, color, and combinations thereof may be implemented in exemplary aspects of a damping lattice.
  • Fig. 14 depicts a top edge toward bottom edge view of a protective pad portion.
  • the protective pad is comprised of the impact shell 101 and the damping component 201.
  • the impact shell 101 curves outwardly towards an exterior surface 102.
  • the curve of the impact shell may be defined by a radius 1206 extending from an imaginary point 1212 on an axis 1201.
  • the damping component 201 may be formed such that it is comprised of extension members giving different offset distances. For example, a first offset 1402 may be greater than a second offset 1404. Depending on the impact shell shape, this variation in offset may be introduced to provide a consistent curved outer surface 204 of the damping component (e.g., compensating for an irregular curved impact shell). Alternatively, the variations in offset distances may be used to introduce an irregular curved profile on the outer surface 204 of the damping component 201 to better form to an organic shape of a wearer. Further, it is contemplated that the offset distance may be altered to achieve desired impact attenuation characteristics at strategic locations (e.g., along soft tissue contact areas, along bone regions).
  • an offset center (e.g., 1212 and 1210) may be utilized.
  • the offset center is commensurate with an offset length of an extension member (e.g., 1202).
  • a radius 1208 of the damping component 201 may vary with location. For example, the radius may increase as it rotates at a greater angle of deflection from the axis 1201. In this example, the offset 1402 may be larger than the offset 1404, when the radius 1206 changes a smaller amount (if at all) for a comparable angle of deflection.
  • Fig. 15 depicts exemplary protrusions on a damping component for mating with exemplary channels in an impact shell for coupling the portions, in accordance with aspects of the present invention.
  • the damping component 201 may be coupled with the impact shell 101 through a variety of different mechanisms and means.
  • one or more channels may be formed in the impact shell 101 that are functional for receiving one or more protrusions extending from the damping component.
  • the channels may extend along a perimeter portion of the impact shell 101, along an interior portion of the impact shell 101, or any other portions of the impact shell, such as an inner surface of the impact shell.
  • first channel having a first shape may extend along a first portion of the impact shell and a second channel having a different size, shape, and/or length may extend along or through a second portion of the impact shell.
  • a rectangular cross-section channel 1504 a 'T'-shaped cross-section channel 1508, a barbed cross-section channel 1512, and an expansion 'T'-shaped cross-section channel 1516 are provided. It is contemplated that additional forms may be implemented in exemplary aspects.
  • protrusions are depicted as extending from the damping component.
  • a rectangular cross-section protrusion 1502 a 'T'-shaped protrusion 1506, a barbed protrusion 1510 and a rounded protrusion 1514 are provided.
  • the rectangular protrusion 1502 and rectangular channel 1504 may be adapted to prevent lateral movement between the damping component and the impact shell while still allowing for a decoupling aspect.
  • the 'T'-shaped protrusion 1506 and the 'T'-shaped channel 1508 may provide a high resistance to decoupling by forces non-parallel to the channel. However, this arrangement may still allow for the decoupling of the damping component from the impact shell by a sliding action that guides the protrusion through the channel.
  • the rounded protrusion 1514 may be adapted for expanding/compressing to fill a portion of the receiving channel, such as the barbed cross-section channel 1512 or the 'T'-shaped cross-section channel 1516.
  • the rounded protrusion may compress in portions to expand into the barb-like extensions of the receiving channel 1512.
  • the rounded protrusion 1514 may ultimately take on a 'T'-like shape as it is compressed into the receiving channel form 1516. This compressive type fit may provide resistance to decoupling between the damping component and the impact shell.
  • protrusions extending from the damping component and the channels formed in the impact shell
  • one or more protrusion may extend from the impact shell and one or more channels may be formed in the damping component.
  • protrusions are integrally formed with the base material from which they extend (e.g., damping component material). Additionally, it is contemplated that the protrusions are formed from a different material or during a different process.
  • Fig. 16 depicts exemplary protrusions on a damping component for serving as a coupling member through one or more receiving chambers in an impact shell.
  • the receiving chambers 1606 and 1610 are cavities within the receiving material that allow for the maintaining of a received protrusion 1608 and/or 1612, which may be likened to a rivet-like connection in some examples.
  • the receiving chamber 1606 may allow for a recessed integration of the protrusion 1608 as it extends through the impact shell 101 from the damping component 201.
  • the protrusion 1608 is formed with a stem 1602 having a smaller cross-section than the head of the protrusion.
  • the head in this example, is rounded to provide an easier insertion through a receiving chamber insertion hole that is then occupied by the stem 1602. While a recessed head is depicted, it is contemplated that a recessed head may not be implemented in an exemplary aspect.
  • the protrusion 1612 depicts a different cross-section shape at a head portion than the protrusion 1608.
  • a stem portion 1604 extends through a receiving chamber insertion hole to the recessed portion of the receiving chamber 1610. While the recessed portion is depicted as extending to an outer surface, it is contemplated that the receiving chamber may instead be a void within the impact shell that does not extend all of the way to the outer surface, which then may provide the appearance of a uniform outer surface to the impact shell.
  • the protrusions and the receiving chambers may be formed in either the damping component 201 or the impact shell 101 in exemplary aspects.
  • Fig. 17 depicts a cross-section view of a damping component coupled with an impact shell utilizing a gasket-like fit along a perimeter.
  • the cross-sectional view of the damping component 201 and the impact shell 101 represents at least two different mechanisms for using a gasket-like coupling.
  • a gasket-like coupling includes the extension of a portion of the damping component 201 from the inner surface of the impact shell 101 to the exterior surface 102. This may be accomplished by a lip portion 1712 that extends along a portion of the damping component, such as the perimeter, to extend around a portion of the impact shell, such as an edge perimeter.
  • the damping component 201 may form a receiving channel 1714 in which the perimeter edge of the impact shell is maintained.
  • the inner surface of the impact shell may be proximate the inner surface of the damping component and the exterior surface 102 of the impact shell may be proximate the lip portion 1712 along a perimeter portion.
  • the lip portion encloses a portion of the impact shell to form a coupling bond between the damping component and the impact shell, in this exemplary aspect.
  • a protrusion portion 1704 may extend through the impact shell 101 and mate with a lip portion 1708.
  • a distal end portion of the protrusion portion may be bonded (e.g., welded, tacked, chemically secured) to an inner portion 1706 of the lip 1708.
  • the protrusion 1704 may extend through the lip portion 1708 and form a mechanical fastener.
  • the protrusion 1704 is coupled, either permanently or temporarily, to the impact shell where it extends through the impact shell.
  • the protrusion 1704 may be located at any location relative to the impact shell (or the damping component).
  • the protrusion 1704 (and any number of similar protrusions) may be positioned along a perimeter to pass through the receiving channel 1714 at any location.
  • the protrusion which may be any shape, size, length, material (similar to and/or different from the damping component), is located at any location.
  • Fig. 18 depicts an exemplary protective pad with damping component integrated straps.
  • An exterior surface 102 of the impact shell 101 is depicted with a first strap 1802 and a second strap 1804 extending from the lateral side 108.
  • the first strap 1802 and the second strap 1804 may extend to the opposite side of the protective pad (e.g., medial side), as depicted by motion lines 1810 and 1820.
  • Each of the straps may then be secured to the protective pad to maintain the protective pad in an as-worn position on a user.
  • the first strap includes a closure protrusion 1806.
  • the closure protrusion 1806 is depicted as a portion of the strap 1802 extending beyond a surface, such as the inner surface.
  • the impact shell may have a receiving cavity 1808 for receiving the closure protrusion. Similar concepts discussed with respect to Figs. 15 and 16 for shapes, sizes, and the like of protrusions, channels, and chambers may be applicable to the receiving cavity 1808 and/or the closure protrusion 1806. It is contemplated that the closure protrusion may fit within the receiving cavity to maintain the strap 1802 in a desired coupled (e.g., decoupleable) state.
  • first closure protrusion 1812 is illustrated with an alternative arrangement having a first closure protrusion 1812 and a second closure protrusion 1814.
  • Respective receiving cavities 1816 and 1818 are formed on the opposite side of the protective pad (e.g., formed in the impact shell, the damping component, and/or a combination) for receiving the closure protrusions. It is contemplated that any combination of closure protrusions and receiving cavities may be used in any combination. Further, it is contemplated that additional components (e.g., hook and loop material, snaps, buttons, clips, lacing, and the like) may also or alternatively be used to couple a strap to the protective pad.
  • additional components e.g., hook and loop material, snaps, buttons, clips, lacing, and the like
  • the straps are formed as part of the damping component.
  • each of the straps are formed from the same material as is used to form the damping component.
  • the straps may be considered a connecting member that extends from an edge portion of the protective pad.
  • medial and lateral sides are called out for purposes of explaining Fig. 18 , it is contemplated that a strap may originate from or terminate at any portion of the protective pad.
  • the straps are depicted in a linear shape, it is understood that any shape, size, and orientation may be implemented.
  • sizing of the strap may be accomplished by a series of receiving cavities or protrusions extending along a portion of the strap and/or the impact shell.
  • a series of receiving cavities extends along the outer surface of the impact shell in a pattern that may be matched by two or more protrusions extending along the length of a strap.
  • Fig. 19 depicts a perspective view of the damping component formed with a sheet-like form 1901.
  • An inner surface 1906 of the sheet-like form 1901 is exposed along with a number of exemplary extension members 1908 and extension member voids 1914. Also illustrated is the concept of an offset 1910.
  • the offset 1910 is the length that an extension member extends from the inner surface 1906.
  • an outer surface 1904 is opposite the inner surface 1906.
  • a thickness of material extending between the inner surface 1906 and the outer surface 1904 may vary with location to achieve varied physical properties, such as elasticity, impact force attenuation, and the like.
  • the sheet-like form 1901 may not include a void extending between the inner surface 1906 and the outer surface 1904.
  • one or more of the extension member voids 1914 may extend from a distal end of one or more of the extension members 1908, through the extension members, and through the sheet-like form 1901.
  • an extension member void extending through the outer surface 1904 may form an aperture at the outer surface 1904. This aperture may be effective for facilitating the movement of air and/or moisture. Further, it is contemplated that the aperture may be effective for facilitating a better contact surface between the user and the damping component.
  • Fig. 20 depicts a front perspective view of an additional exemplary embodiment for the impact shell of the protective pad.
  • the impact shell 2000 is depicted with the exterior surface 102 forward facing.
  • the impact shell 2000 also has a perimeter defined, at least in part, by a top edge 110, a lateral edge 108, a bottom edge 112, and a medial edge 106.
  • the impact shell 2000 comprises a plurality of perforations or cutouts along the perimeter of the impact shell 2000.
  • the perforations may be of uniform shape and size throughout the perimeter, or may be of different shapes and sizes (as shown).
  • the perforations may be circular perforations 2002, triangular perforations 2006, rectangular perforations 2004, or any other shape suitable or desired may be used.
  • the perforations may be uniform in size throughout, or different sized perforations may be used for different areas around the perimeter of the impact shell 2000. Further, the perforations may be uniformly spaced apart (as shown,) or may be spaced at different length intervals around the perimeter of the impact shell 2000. As contemplated herein, a perforation extends through the impact shell from the exterior surface to the interior surface. As will be discussed hereinafter, it is contemplated that the perforations provide an area through which an overmolded material may pass during the molding process to form an affixed coupling frame.
  • Fig. 21 depicts an exterior surface of an exemplary impact shell.
  • impact shell 2100 shown in Fig. 21 is an exemplary embodiment of the impact shell 2000.
  • Impact shell 2100 is depicted as having a plurality of perforations 2110 along the top edge 110 and bottom edge 112, perforations 2120 along lateral edge 108 and medial edge 106, and finally perforations 2130 corresponding to the four corners of impact shell 2100.
  • the plurality of perforations provided in impact shell 2100 are shown to have a general rectangular shape. Additionally, a plurality of circular perforations are also depicted proximate the bottom edge.
  • An exemplary circular perforation is 2902.
  • perforations may be of any size, shape, and at any location. Further, it is contemplated that any combination of size, shape, and location may be utilized in aspects of the present invention.
  • perforations 2110 are depicted as having a top edge 2112, a bottom edge 2116, a lateral edge 2114 and a medial edge 2118.
  • the plurality of perforations 2110, 2120, and 2130 are provided along and proximate the perimeter of the impact shell 2100.
  • the plurality of perforations may be provided closer to the top edge 110, lateral edge 108, bottom edge 112, and/or medial edge 106 than the center of the impact shell 2100, in an exemplary aspect.
  • the top edge 2112 of the perforation 2110 may be at least from 1 mm to 1 cm away from the corresponding hard shell top edge 110.
  • top edge 2112 may be at least from 1 mm to 1 cm from bottom edge 2116, and lateral edge 2114 may be at least 5 mm to 5 cm from medial edge 2118, in exemplary aspects. It is contemplated that similar lengths may be applicable to other edges of alternative perforations (e.g., circumferential edge of a circular perforation).
  • the plurality of perforations in this exemplary embodiment of the impact shell 2100 serve as locking channels for allowing a coupling frame to be formed and locked in place around the whole perimeter (or a portion of the perimeter in an additional exemplary aspect) of the impact shell 2100.
  • the coupling frame around the perimeter of impact shell 2100 may be formed by different suitable methods including injection molding or any other suitable technique.
  • the coupling frame may be formed on both sides of the impact shell 2100 by filling the plurality of perforations 2110, 2120, and 2130 with the coupling frame material and interconnecting the filled perforation material effectively locking the coupling frame to the impact shell by forming the coupling frame on both sides of the impact shell 2100.
  • the impact shell 2100 with the coupling frame 2210 formed around the perimeter of impact shell 2100 is shown in Fig. 22 as impact shell 2200.
  • Fig. 22 depicts an impact shell with an integrated coupling frame, in accordance with aspects of the present invention.
  • the coupling frame 2210 may comprise the same elastomeric material as the damping component (not shown).
  • the coupling frame may be formed with a compatible material to the damping component such that the damping component and the coupling frame 2210 are able to be affixed to one another.
  • the coupling/affixing may be accomplished with heat or ultrasonic fusion, a heat or ultrasonically activated adhesive layer, epoxies, glues, mechanical fasteners, and other coupling mechanisms may be used in order to affix the damping component and the coupling frame 2210 together, in accordance with aspects of the present invention.
  • the coupling frame 2210 may be formed around the perimeter of the impact shell 2100 to form impact shell 2200, for example, by placing the impact shell in a mold and filling the desired area with an elastomeric material of choice. The material is then allowed to flow through and fill each perforation in the plurality of perforations 2110, 2120, 2130, and or 2909 of FIG. 21 so that a layer is able to be formed around the perimeter on the exterior surface 102 and/or the interior surface (not shown). This filling of the perforations may form an effective locking mechanism for the coupling frame to the impact shell by incorporating the coupling frame through the impact shell perforations. Stated differently, the material forming the coupling frame extends through the perforations and around the perimeter from the top surface to the bottom surface forming an integrated coupling frame, as depicted in cross-sectional FIGs. 24, 25 , and 29 hereinafter.
  • the coupling frame may be substantially planar on one or more surfaces (e.g., lacking dimensional features).
  • This planar aspect may provide a uniform coupling surface and/or a uniform appearance, in an exemplary aspect.
  • a cutline 29-29 identifies a cross section that is depicted hereinafter in FIG. 29 having a substantially planar surface proximate circular perforation 2902 of FIG. 21 .
  • Fig. 23 depicts a cross section 2300 along cutline 23-23 of Fig. 22 , in accordance with aspects of the present invention.
  • the cross section 2300 is of the top edge of the impact shell 2200 shown in Fig. 22 , where the structure of coupling frame 2210 is shown in greater detail.
  • the coupling frame 2210 has an interior face structure 2310, an exterior face structure 2330, and a top face 2320. As seen in Fig.
  • coupling frame 2210 may form interior face structure 2310 having a height 2350 and a width 2360 that is wider than the width of perforation 2110. Further, coupling frame 2210 may form exterior face structure 2330 having a height 2370 and a width 2390.
  • the total thickness 2395 of the coupling frame 2210 may be measured at any point inside the perforations 2110 or at the top face 2320. The total thickness of 2395 may include the height 2350 of interior face structure 2310, the thickness of the impact shell 2100, and the height 2370 of external face structure, in an exemplary aspect.
  • the coupling frame 2210 may be molded to have crests and valleys to create an aesthetically appealing effect on the exterior face structure 2330 (as shown), or may be molded to have a smooth complexion where a uniform face structure may be formed for both the exterior face structure 2330 and/or the interior face structure 2310.
  • an exterior face structure may not have a shape similar to that of the underlying perforations through which the material passes.
  • the coupling frame may have one or more geometric features visibly formed therein on a surface (e.g., exterior face structures) that are of a different size, shape, and/or number of perforations within the impact shell proximate the feature.
  • multiple underlying perforations may be circular and a corresponding proximate coupling frame feature may be non-circular.
  • Fig. 24 depicts a horizontal cross-section 2400 along cutline 24-24 of the impact shell 2200 shown in Fig. 22 , in accordance with the present invention.
  • the perimeter of the impact shell 2200 in the crossection is completely surrounded by coupling frame 2210, which is locked in place by the material overflowing from the exterior surface 102 of the impact shell 2100 through the plurality of perforations 2110, 2120, and 2130 to the inner surface 104.
  • Fig. 25 depicts a horizontal cross-section 2500 along cutline 24-24 of the impact shell 2200 depicted in Fig. 22 plus a damping component 2550 affixed to the impact shell 2200 by way of the coupling frame 2210 at a surface 2510, in accordance with aspects of the present invention.
  • Fig. 26 depicts a damping component 2600 inner surface from which a plurality of rectangular prism extension members 2602 extend from a lattice of interconnected joining members.
  • the damping component 2600 is comprised of a top edge 2610, a bottom edge 2612, a lateral edge 2608, and a medial edge 2606.
  • the joining members may be formed in a common manufacturing process, such as injection molding, such that the joining members as-a-whole form a lattice network of the damping component 2600.
  • the joining members define a plurality of voids. The voids extend through the outer surface and an inner surface of the joining members.
  • an extension member such as the extension member 2602, may be located. Further, associated with one or more extension members, an extension member void may extend through at least a portion of the extension member. However, as depicted, it is contemplated that the extension member void may not extend through the inner surface of the damping component in an exemplary aspect.
  • the extension member 2602 may extend from the inner surface of the damping component outwardly toward the inner surface of an impact shell, in an exemplary aspect.
  • the extension member 2602 is depicted in a rectangular prism form extending outwardly from the lattice structure.
  • extension members may be of any size, shape, and concentration.
  • an extension member void may also be of any size and shape.
  • the extension member void of the extension member 2602 extends from the inner surface of the extension member 2602 toward the outer surface of the damping component.
  • the extension member void in this example, does not extend through the outer surface of the damping component.
  • the maintaining of the outer surface of the damping component may provide a suitable surface onto which a skin layer may be coupled, in an exemplary aspect.
  • the extension members are rectangular prism (e.g., cuboids) in nature.
  • the geometry of a rectangular prism provides potential benefits for impact attenuation of the damping component based on the angular intersection of the various faces of the rectangular prism extensions members. It is this angular face intersection that provides, in an exemplary aspect an intentional deformation location for attenuating an impact force.
  • FIG. 27 depicts the inner surface of the damping component 2600 from Fig 26 along with a skin layer 2700 to be coupled to the outer surface (not depicted in FIG. 27 ) of the damping component 2600.
  • a skin layer may be coupled to one or more portions of an outer surface of a damping component, such as the damping component 2600.
  • the skin layer 2700 may be formed in any size and or shape.
  • the skin layer 2700 is formed to resemble the lattice geometry to which it is coupled. Therefore, one or more voids extending through the lattice structure of the damping component 2600 may correspond to similarly sized voids extending through the skin layer 2700, as will be depicted in Fig. 28 hereinafter.
  • Exemplary alignment points are identified for illustrative purposes. These alignment points help facilitate an understanding of how the skin layer 2700 aligns with the non-depicted surface of the damping component 2600.
  • the skin layer 2700 illustrates alignment points 2702, 2704, 2706, 2708, and 2710.
  • the damping component 2600 illustrates exemplary affixing points 2703, 2705, 2707, 2709, and 2711 as they relate to affixing point on the outer surface (not depicted in FIG. 27 ) of the damping component 2600.
  • the skin layer 2700 is coupled with the outer layer (not depicted in FIG.
  • the affixing points 2702, 2704, 2706, 2708, and 2710 align respectively with the affixing points 2703, 2705, 2707, 2709, and 2711 as they relate to the outer surface.
  • Fig. 28 depicts an outer surface perspective of the damping component 2600 from Fig. 26 and the skin layer 2700 of Fig. 27 coupled in an aligned manner.
  • the skin layer affixing points i.e., 2702, 2704, 2706, 2708, and 2710 are reproduced in Fig. 28 .
  • the voids between connecting members and the voids within the skin layer 2700 are aligned, which provides, in this example, the benefits articulated herein for inclusion of the voids.
  • the skin layer 2700 does not extend across the entirety of the damping component 2600 surface.
  • the skin layer may be located in those positions of the damping component 2600 proximate a tibia region and/or a primary portion in contact with a wearer when in an as-worn position.
  • Fig. 29 depicts a cross-sectional view of the damping lattice 2550, the impact shell, and the coupling frame 2210 along cutline 29-29 of Fig. 22 .
  • the coupling frame material extends through the perforation 2902 (depicted in FIG. 21 hereinabove) to surround both the exterior surface 102 and the inner surface 104 of the impact shell.
  • the coupling frame 2210 extends at least from the perforation 2902 past a perimeter edge of the impact shell such that the coupling frame 2210 surrounds the perimeter of the impact shell from the exterior to the interior surfaces.
  • this coupling frame 2210 which may be formed from a material similar to that of the damping component 2550, that couples to the damping component 2550. Consequently, the impact shell is coupled with the damping component 2550 by way of the coupling frame 2210, in an exemplary aspect.
  • the coupling between the damping component 2550 and the coupling frame 2550 may be accomplished by way of an adhesive, a welding process, or other coupling mechanisms.

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Claims (15)

  1. Schutzpolster, umfassend:
    eine Schutzschale (2200) mit einer Außenfläche, einer gegenüberliegenden Innenfläche, einer medialen Kante, einer gegenüberliegenden Seitenkante, einer Oberkante und einer gegenüberliegenden Unterkante, worin die mediale Kante, Seitenkante, Oberkante und Unterkante, mindestens teilweise, einen Perimeter der Schutzschale (2200) definieren, und einem Verbindungsrahmen (2210), der mindestens einen Abschnitt des Perimeters umgibt; und
    ein Dämpfungsgitter (2550), das nahe der Innenfläche der Schutzschale (2200) positioniert und an dem Verbindungsrahmen (2210) befestigt ist, wobei das Dämpfungsgitter (2550) aus einem elastomeren Material gebildet ist, worin das Dämpfungsgitter (2550) aus Folgendem besteht: einer Mehrzahl von Zwischenverbindungselementen mit einer äußeren Fläche und einer gegenüberliegenden inneren Fläche; und einer Mehrzahl von Verlängerungselementen (2602), die sich über die innere Fläche hinaus hin zu der Innenfläche der Schutzschale (2200) erstrecken, dadurch gekennzeichnet, dass:
    die Schutzschale (2200) ferner Folgendes umfasst: eine Mehrzahl von Perforationen (2902), die sich von der Außenfläche zu der Innenfläche nahe einem oder mehreren Abschnitten des Perimeters erstreckt; und
    sich der Verbindungsrahmen (2210) durch die Mehrzahl von Perforationen (2902) der Schutzschale (2200) erstreckt.
  2. Schutzpolster nach Anspruch 1, worin die Schutzschale (2200) aus mindestens einem Material gebildet ist, das aus den folgenden ausgewählt ist: a) einem starren Polymermaterial; b) einem gewebten Polymermaterial; oder c) einem kohlefaserbasierten Material.
  3. Schutzpolster nach Anspruch 1, worin das elastomere Material ein Duroplast oder ein thermoplastisches Elastomer ist oder worin die Mehrzahl von Zwischenverbindungselementen als ein zusammenhängender Abschnitt gebildet ist.
  4. Schutzpolster nach Anspruch 1, worin der Verbindungsrahmen (2210) aus demselben elastomeren Material wie das Dämpfungsgitter (2550) gebildet ist.
  5. Schutzpolster nach Anspruch 4, worin das Dämpfungsgitter (2550) an dem Verbindungsrahmen (2210) durch mindestens eines von Heißschmelzen oder Ultraschallschweißen befestigt ist.
  6. Schutzpolster nach Anspruch 4, worin das Dämpfungsgitter (2550) an dem die Schutzschale (2200) umgebenden Verbindungsrahmen (2210) durch eine Klebeschicht befestigt ist.
  7. Schutzpolster nach Anspruch 6, worin die Klebeschicht auf Druck, Chemikalien, Wärme und/oder Licht zum Befestigen des Dämpfungsgitters (2550) und des Verbindungsrahmens (2210) anspricht.
  8. Schutzpolster nach Anspruch 1, worin die Mehrzahl von Zwischenverbindungselementen aus einem ersten Element mit einer ersten Länge und einem zweiten Element mit einer zweiten Länge besteht, worin die erste Länge größer als die zweite Länge ist.
  9. Schutzpolster nach Anspruch 1, ferner umfassend eine Hautschicht, die an der äußeren Fläche der Mehrzahl von Zwischenverbindungselementen befestigt ist, oder worin die Mehrzahl von Verlängerungselementen zylindrisch oder rechteckig prismatisch geformt ist.
  10. Schutzpolster nach Anspruch 1, worin:
    die Schutzschale (2200) aus einem ersten Material gebildet ist; die Innenfläche der Schutzschale (2200) ein gekrümmtes Profil aufweist, das sich nach außen in einer Richtung der äußeren Fläche von der medialen Kante zu der Seitenkante erstreckt;
    die Mehrzahl von Perforationen (2902) um den Perimeter der Schutzschale (2200) befindlich ist;
    das Dämpfungsgitter (2550) aus einem zweiten Material gebildet ist, das sich von dem ersten Material unterscheidet;
    sich eine Mehrzahl von Hohlräumen zwischen der äußeren Fläche und der inneren Fläche, die von der Mehrzahl von Verbindungselementen gebildet sind, erstreckt;
    der Verbindungsrahmen (2210) durch die Mehrzahl von Perforationen (2902) von der Außenfläche zu der Innenfläche verläuft; und
    der Verbindungsrahmen (2210) aus dem zweiten Material gebildet ist.
  11. Schutzpolster nach Anspruch 10, worin die Mehrzahl von Zwischenverbindungselementen eine einheitliche Dicke bildet, wovon sich die Mehrzahl von Verlängerungselementen (2602) erstreckt.
  12. Schutzpolster nach Anspruch 11, worin ein erster Hohlraum der Mehrzahl von Hohlräumen von mindestens zwei der Mehrzahl von Zwischenverbindungselementen gebildet ist oder worin die Mehrzahl von Verlängerungselementen (2602) aus einem ersten Verlängerungselement und einem zweiten Verlängerungselement besteht, wobei das erste Verlängerungselement eine kleinere Querschnittsfläche als das zweite Verlängerungselement aufweist.
  13. Schutzpolster nach Anspruch 11, worin die Mehrzahl von Verlängerungselementen (2602) aus einem ersten Verlängerungselement besteht, das aus einem ersten Verlängerungselement-Hohlraum besteht, der sich von einem distalen Ende des ersten Verlängerungselements hin zu der inneren Fläche der Mehrzahl von Verbindungselementen erstreckt, oder worin mindestens eine der Mehrzahl von Perforationen (2902) kreisförmig ist.
  14. Schutzpolster nach Anspruch 1, worin:
    die Innenfläche zwischen einer medialen Kante und einer gegenüberliegenden Seitenkante gekrümmt ist; die Mehrzahl von Perforationen (2902) um einen Perimeter der Schutzschale (2200) befindlich ist, wobei die Mehrzahl von Perforationen (2902) dafür konfiguriert ist, den die Mehrzahl von Perforationen (2902) umgreifenden Verbindungsrahmen aufzunehmen;
    der Verbindungsrahmen (2210) aus einem thermoplastischen Elastomer gebildet ist;
    der Verbindungsrahmen (2210) die Mehrzahl von Perforationen (2902) umgreift;
    das Dämpfungsgitter (2550) mit der Innenfläche der starren Schutzschale (2200) an dem Verbindungsrahmen der Schutzschale (2200) verbunden ist, wobei das Dämpfungsgitter (2550) aus demselben thermoplastischen Elastomer wie der Verbindungsrahmen (2210) gebildet ist; wobei sich jedes der Mehrzahl von Verlängerungselementen (2602) von der inneren Fläche der Zwischenverbindungselemente zu einem distalen Ende erstreckt; und
    eine Hautschicht mit mindestens einem Abschnitt der Außenschicht der Mehrzahl von Zwischenverbindungselementen verbunden ist.
  15. Schutzpolster nach Anspruch 14, worin der Verbindungsrahmen (2210) auf die starre Schutzschale (2200) aufgeformt ist oder worin sich der Verbindungsrahmen (2210) durch mindestens eine der Perforationen (2902) und um den Perimeter von der Außenfläche zu der Innenfläche erstreckt.
EP13877524.2A 2013-03-15 2013-09-09 Schutzpolster mit einem dämpfungselement Active EP2967161B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/832,730 US10206437B2 (en) 2012-03-08 2013-03-15 Protective pad using a damping component
PCT/US2013/058772 WO2014143153A1 (en) 2013-03-15 2013-09-09 Protective pad using a damping component

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EP2967161A1 EP2967161A1 (de) 2016-01-20
EP2967161A4 EP2967161A4 (de) 2016-11-16
EP2967161B1 true EP2967161B1 (de) 2019-05-15

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EP13877524.2A Active EP2967161B1 (de) 2013-03-15 2013-09-09 Schutzpolster mit einem dämpfungselement

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JP (1) JP6255472B2 (de)
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JP2016514219A (ja) 2016-05-19
EP2967161A4 (de) 2016-11-16
EP2967161A1 (de) 2016-01-20
JP6255472B2 (ja) 2017-12-27
CN105188432A (zh) 2015-12-23
CN105188432B (zh) 2018-01-09
WO2014143153A1 (en) 2014-09-18

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