US 11,864,630 B2
Motion-assist footwear comprising a force translator
Craig Cheney, Lindon, UT (US)
Assigned to FAST IP, LLC, Lindon, UT (US)
Filed by FAST IP, LLC, Lindon, UT (US)
Filed on May 30, 2022, as Appl. No. 17/827,949.
Application 17/827,949 is a continuation of application No. PCT/US2021/060404, filed on Nov. 22, 2021.
Claims priority of provisional application 63/116,379, filed on Nov. 20, 2020.
Prior Publication US 2022/0287405 A1, Sep. 15, 2022
Int. Cl. A43B 7/20 (2006.01); A61H 1/02 (2006.01); A61H 3/00 (2006.01)
CPC A43B 7/20 (2013.01) [A61H 1/0266 (2013.01); A61H 3/00 (2013.01); A61H 2003/007 (2013.01); A61H 2201/14 (2013.01); A61H 2201/164 (2013.01); A61H 2201/165 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A motion-assist shoe comprising:
an upper;
a sole portion coupled to the upper, the sole portion comprising a forward portion and a rearward portion; and
a force translator comprising a base portion and a leg portion, the base portion and the leg portion coupled by a dynamic portion;
wherein the base portion, the leg portion and the dynamic portion are unitary one with another;
wherein the base portion is embedded within the sole portion;
wherein the leg portion is configured to contact, and conform to, a leg above an ankle of a user of the shoe;
wherein the shoe comprises a stressed configuration and an unstressed configuration;
wherein, in the stressed configuration, the base portion and the leg portion are substantially perpendicular relative to each other;
wherein, in the unstressed configuration, the base portion and the leg portion are no longer substantially perpendicular relative to each other;
wherein the dynamic portion is configured to bias the shoe toward the unstressed configuration to thereby bias the rearward portion upward relative to the forward portion;
wherein the dynamic portion is comprised of a resiliently deformable material; and
wherein the dynamic portion is comprised of an s-spring, and the leg portion is configured to contact, and conform to a shin of a user.