US 12,446,656 B2
Damping element for a shoe
Christoph Tribus, Meran (IT)
Assigned to CHRISTOPH TRIBUS LAUFSCHUH WERKSTATT VGMBH, Meran (IT)
Appl. No. 17/919,662
Filed by CHRISTOPH TRIBUS LAUFSCHUH WERKSTATT VGMBH, Meran (IT)
PCT Filed Apr. 20, 2021, PCT No. PCT/EP2021/060284
§ 371(c)(1), (2) Date Dec. 8, 2022,
PCT Pub. No. WO2021/214088, PCT Pub. Date Oct. 28, 2021.
Claims priority of application No. 10 2020 110 724.2 (DE), filed on Apr. 20, 2020.
Prior Publication US 2023/0157408 A1, May 25, 2023
Int. Cl. A43B 13/18 (2006.01)
CPC A43B 13/183 (2013.01) 17 Claims
OG exemplary drawing
 
1. A spring device for a shoe for arrangement between an insole and an outsole, wherein the spring device comprises:
a lower outsole portion; and
an upper insole portion,
wherein the lower outsole portion and the upper insole portion are connected via a continuous roll portion having a curvature,
wherein the curvature comprises a continuously varying radius of curvature that increases towards the lower outsole portion according to a segment of at least one selected from the group of an elliptic or a parabolic curve,
wherein the continuous roll portion is positioned so that the wearer rolls over the continuous roll portion during step in heel running; and
wherein the upper insole portion comprises a plate, wherein the plate is substantially rigid so that the substantially rigid plate does not deform under load from the wearer.