A multi-layered support structure provides ergonomic, adaptable seating support. The multi-layered support structure includes multiple cooperative layers to maximize global comfort and support while enhancing adaptation to localized variations in a load, such as in the load applied when a person sit
A multi-layered support structure provides ergonomic, adaptable seating support. The multi-layered support structure includes multiple cooperative layers to maximize global comfort and support while enhancing adaptation to localized variations in a load, such as in the load applied when a person sits in a chair. The cooperative layers each include elements such as pixels, springs, support rails, and other elements to provide this adaptable comfort and support. The multi-layered support structure also uses aligned material to provide a flexible yet durable support structure. Accordingly, the multi-layered support structure provides maximum comfort for a wide range of body shapes and sizes.
대표청구항▼
1. A layered support structure comprising: a first layer formed from a cavity mold comprising: a support rail comprising: a first strap comprising: multiple aligned regions defined along a length of the first strap, wherein the aligned regions comprise aligned material that is one of a compression a
1. A layered support structure comprising: a first layer formed from a cavity mold comprising: a support rail comprising: a first strap comprising: multiple aligned regions defined along a length of the first strap, wherein the aligned regions comprise aligned material that is one of a compression aligned polymer material or a tension aligned polymer material;multiple unaligned regions defined along the length of the first strap such that the first strap comprises alternating aligned and unaligned regions along the length of the first strap; anda gate position corresponding to an opening in the cavity mold, where each of the multiple aligned regions of the first strap comprises a cross-sectional area in a direction substantially perpendicular to the length of the first strap that is between approximately 0.1% to approximately 1% greater than a cross-sectional area of an adjacent aligned region immediately closer to the gate position along the first strap;a second strap substantially parallel to the first strap and comprising: multiple aligned regions defined along a length of the second strap, wherein the aligned regions comprise aligned material that is one of a compression aligned polymer material or a tension aligned polymer material; andmultiple unaligned regions defined along the length of the second strap such that the second strap comprises alternating aligned and unaligned regions along the length of the second strap, wherein each of the unaligned regions of the second strap is adjacent to a corresponding unaligned region of the first strap; andmultiple nodes, each connected between adjacent unaligned regions of the first and second straps. 2. The layered support structure of claim 1, the first layer further comprising: a first frame attachment connected to a first end of the support rail and that is oriented substantially perpendicular to the support rail; anda second frame attachment connected to a second end of the support rail and that is oriented substantially perpendicular to the support rail. 3. The layered support structure of claim 1, where the cross-sectional area of each aligned region of the first strap is tuned based on a respective location of each aligned region within the first strap. 4. The layered support structure of claim 1, further comprising: a second layer positioned above the first layer and comprising multiple spring elements supported by the multiple nodes; anda third layer positioned above the second layer and comprising multiple interconnected pixels supported by the second layer. 5. The layered support structure of claim 4, where each spring element comprises: a top;a deflectable member connected to the top; anda spring attachment member connected to the deflectable member for connecting the spring to at least one node of the first layer. 6. The layered support structure of claim 4, where each pixel comprises an upper surface and a lower surface, where the lower surface is oriented to face the second layer, and where each pixel comprises a stem extending from the lower surface. 7. The layered support structure of claim 6, where each spring element comprises a top that defines an opening for receiving one of the stems extending from the pixels to facilitate a connection between the second and third layers. 8. The layered support structure of claim 7, where stem comprises: a first end connected to the lower surface of the pixel;a second end comprising a tapered segment;a cylindrical strap extending between the first and second ends; anda lip connected to the tapered segment that extends beyond the cylindrical strap to facilitate a snap-fit connection when the stem is inserted into the opening. 9. The layered support structure of claim 4, where the second layer comprises a unitary piece of elastomeric material. 10. A layered support structure comprising: a first layer formed from a cavity mold comprising: a first frame attachment;a second frame attachment; andmultiple support rails extending between the first and second frame attachments, each support rails comprising: a first strap comprising a first length that extends between the first and second frame attachments, the first strap comprising: multiple aligned regions defined along the first length of the first strap, wherein the multiple aligned regions comprise aligned material that is one of a compression aligned polymer material or a tension aligned polymer material;multiple unaligned regions defined along the first length of the first strap between adjacent aligned regions; anda gate position corresponding to an opening in the cavity mold located between ends of the first strap, where a cross-sectional area, defined in a direction substantially perpendicular to the length of the first strap, of each of the multiple aligned regions is between approximately 0.1% to approximately 1% greater than the cross-sectional area of an adjacent aligned region immediately closer to the gate position along the first strap;a second strap comprising a second length that extends between the first and second frame attachments substantially parallel to the first strap, the second strap comprising: multiple aligned regions defined along the second length of the second strap, wherein the multiple aligned regions comprise aligned material that is one of a compression aligned polymer material or a tension aligned polymer material; andmultiple unaligned regions defined along the second length of the second strap between adjacent aligned regions, where a position along the second strap of each unaligned region corresponds to a position of an unaligned region in the first strap; andmultiple nodes, each connected between adjacent unaligned regions of each of the first and second straps. 11. The layered support structure of claim 10, where the cross-sectional area of each of the multiple aligned regions is tailored to a location of the aligned region along the first strap. 12. The layered support structure of claim 11, where the first strap comprises: a first end connected to the first frame attachment;a second end connected to the second frame attachment; andwherein the gate position is located approximately half-way between the first end and the second end. 13. The layered support structure of claim 11, further comprising: a second layer positioned above the first layer, the second layer comprising multiple spring elements supported by the multiple nodes; anda top mat layer supported by the second layer, the top mat layer comprising multiple interconnected pixels supported by the multiple spring elements. 14. A layered support structure comprising: a first layer formed from a cavity mold comprising: multiple support rails, each support rail comprising: a first strap comprising: multiple aligned regions defined along a length of the first strap, wherein the aligned regions comprise aligned material that is one of a compression aligned polymer material or a tension aligned polymer material;multiple unaligned regions defined along the length of the first strap such that the first strap comprises alternating aligned and unaligned regions along the length of the first strap; anda second strap substantially parallel to the first strap and comprising: multiple aligned regions defined along a length of the second strap, wherein the aligned regions comprise aligned material that is one of a compression aligned polymer material or a tension aligned polymer material; andmultiple unaligned regions defined along the length of the second strap such that the second strap comprises alternating aligned and unaligned regions along the length of the second strap, wherein each of the unaligned regions of the second strap is adjacent to a corresponding unaligned region of the first strap; andmultiple nodes connected between adjacent unaligned regions of the first and second straps; anda gate position corresponding to an opening in the cavity mold and defined on one of the nodes, where each of the multiple aligned regions of the first strap comprises a cross-sectional area in a direction substantially perpendicular to the length of the first strap that is between approximately 0.1% to approximately 1% greater than a cross-sectional area of an adjacent aligned region immediately closer to the gate position along the first strap. 15. The layered support structure of claim 14, where the node on which the gate positioned is defined is positioned approximately half-way between ends of the support rail.
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