US 12,458,847 B2
Amphibious exoskeleton propulsion footwear
Mark Costin Roser, Hebron, CT (US)
Filed by Mark Costin Roser, Hebron, CT (US)
Filed on Mar. 21, 2024, as Appl. No. 18/612,597.
Application 18/612,597 is a continuation of application No. 17/368,809, filed on Jul. 6, 2021, granted, now 11,964,190.
Prior Publication US 2024/0278074 A1, Aug. 22, 2024
Int. Cl. A63B 31/11 (2006.01)
CPC A63B 31/11 (2013.01) [A63B 2031/112 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A method of using an exoskeleton, the method comprising:
attaching a base of the exoskeleton to a user's foot, the base comprising a flipper and a yoke;
attaching the yoke to the user's leg above the user's ankle and below the user's knee;
applying force to the yoke with the user's leg; and
applying a dorsiflexion assisting torque between the yoke and the flipper with at least one spring in response to the force applied to the yoke with the user's leg.