Footwear heel spring device
US-2018110292-A1 · Apr 26, 2018 · US
US2023380539A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2023380539-A1 |
| Application number | US-202318233578-A |
| Country | US |
| Kind code | A1 |
| Filing date | Aug 14, 2023 |
| Priority date | Dec 21, 2018 |
| Publication date | Nov 30, 2023 |
| Grant date | — |
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Official abstract text for this publication.
A footwear article includes a collar elevator to raise an ankle collar from a lowered position to a raised position. For example, the ankle collar may be lowered when a wearer slides a foot into or out of the footwear article. The collar elevator may include a plurality of discrete elongated members.
Opening claim text (preview).
Claimed is: 1 . A footwear article comprising: a sole; an upper coupled to the sole and comprising an ankle collar that is movable between a lowered state positioned closer to the sole and a raised state positioned farther from the sole; and a collar elevator operable to return the ankle collar from the lowered state to the raised state, the collar elevator having a medial lever arm, a lateral lever arm, and a center connecting band that couples the medial lever arm to the lateral lever arm and that is located near a rear portion of the ankle collar, wherein: the center connecting band comprises a plurality of discrete elongated members, and each discrete elongated member comprises a round cross section. 2 . The footwear article of claim 1 , wherein each discrete elongated member extends from the medial lever arm to the lateral lever arm. 3 . The footwear article of claim 1 further comprising: a medial side paddle coupled to the medial lever arm and a lateral side paddle coupled to the lateral lever arm, wherein each discrete elongated member extends from the medial side paddle to the lateral side paddle. 4 . The footwear article of claim 1 , wherein each discrete elongated member comprises a circular cross section. 5 . The footwear article of claim 1 , wherein each discrete elongated member comprises a wire. 6 . The footwear article of claim 1 , wherein the plurality of discrete elongated members comprises three or more discrete elongated members. 7 . The footwear article of claim 1 , wherein: the plurality of discrete elongated members comprises a first discrete elongated member and a second discrete elongated member; and the first discrete elongated member is superior and anterior relative to the second discrete elongated member. 8 . The footwear article of claim 1 , wherein the plurality of discrete elongated members comprises a metal core encased in a cover.
Footwear with arrangements to facilitate putting-on or removing, e.g. with straps · CPC title
with a part of the upper particularly flexible, e.g. permitting articulation or torsion · CPC title
Heel stiffeners (A43B23/10, A43B23/14, A43B23/16, A43B23/17 take precedence) · CPC title
Footwear for sporting purposes (non-skid devices, e.g. ice-spurs or studs for football shoes, A43C15/00) · CPC title
with built-in shoe-horns · CPC title
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