Shock absorbing lattice structure produced by additive manufacturing
AssigneeCarbon, Inc.
InventorsHardik Kabaria, Aidan Kurtz
Life of this patent
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Abstract
An energy absorbing lattice structure having a predetermined energy absorbing load vector, may include, in combination, a first lattice substructure comprised of a first set of interconnected struts, and, interwoven with said first lattice substructure, a second lattice substructure comprised of a second set of interconnected struts.
Claims30
An energy absorbing lattice structure having a predetermined energy absorbing load vector, said lattice structure comprising, in combination:
- (a) a first lattice substructure comprised of a first set of interconnected struts;
- and
- (b) a second lattice substructure interwoven with said first lattice substructure, the second lattice substructure comprised of a second set of interconnected struts,
- wherein struts that are substantially perpendicular to the predetermined energy absorbing load vector are excluded from said second lattice substructure, and/or wherein struts that are substantially parallel to the predetermined energy absorbing load vector are excluded from said second lattice substructure.
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A method of forming an energy absorbing lattice having a predetermined energy absorbing load vector comprising:
- providing a mesh comprising a plurality of polyhedra;
- forming a first lattice substructure comprising a first set of interconnected struts that are defined by the mesh;
- forming a second lattice substructure comprising a second set of interconnected struts that are defined by the mesh, wherein the second lattice substructure differs from the first lattice substructure;
- generating a compound lattice structure by combining the first lattice substructure with the second lattice substructure;
- and
- removing one or more struts from the compound lattice structure that are substantially perpendicular to the predetermined energy absorbing load vector, and/or that are substantially parallel to the predetermined energy absorbing load vector.
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Dependencies are inferred from the claim text.