US 12,263,707 B2
Manually propelled floating aquatic wheelchair
Steven Baird, Fort Collins, CO (US); Michael Bowers, Centennial, CO (US); Tara Mensch, Loveland, CO (US); Brandon Cook, Fort Collins, CO (US); and Halley Havlicek, Spring Grove, IL (US)
Filed by Steven Baird, Fort Collins, CO (US)
Filed on Apr. 22, 2022, as Appl. No. 17/727,655.
Claims priority of provisional application 63/178,512, filed on Apr. 22, 2021.
Prior Publication US 2022/0339982 A1, Oct. 27, 2022
Int. Cl. B60F 3/00 (2006.01); A61G 5/02 (2006.01); B63H 1/14 (2006.01); B63H 16/20 (2006.01)
CPC B60F 3/0069 (2013.01) [A61G 5/022 (2013.01); B60F 3/0007 (2013.01); B60F 3/0038 (2013.01); B63H 1/14 (2013.01); B63H 16/20 (2013.01)] 14 Claims
OG exemplary drawing
 
8. A human-powered vehicle for use on land and in water, wherein:
the human-powered vehicle comprises a first gear train that converts the rotation of a first wheel of the human-powered vehicle into propulsive force in the water;
the first gear train comprises:
a first main gear affixed to the first wheel;
a first pinion gear responsive to the first main gear;
a first shaft responsive to the first pinion gear;
a first bevel gear responsive to the first shaft;
a second bevel gear responsive to the first bevel gear;
a second shaft responsive to the second bevel gear;
a first propeller responsive to the second shaft; and
the first shaft is perpendicular to the second shaft.