US 11,654,327 B2
System for unweighting a user and related methods of exercise
Michael Edward Phillips, Fremont, CA (US); and Michael Page McGirr, Fremont, CA (US)
Assigned to AlterG, Inc., Fremont, CA (US)
Appl. No. 16/756,864
Filed by ALTERG, INC., Fremont, CA (US)
PCT Filed Oct. 31, 2018, PCT No. PCT/US2018/058582
§ 371(c)(1), (2) Date Apr. 17, 2020,
PCT Pub. No. WO2019/089850, PCT Pub. Date May 9, 2019.
Claims priority of provisional application 62/579,802, filed on Oct. 31, 2017.
Prior Publication US 2021/0187348 A1, Jun. 24, 2021
Int. Cl. A63B 22/02 (2006.01); A63B 24/00 (2006.01)
CPC A63B 22/02 (2013.01) [A63B 24/0087 (2013.01); A63B 2208/05 (2013.01); A63B 2209/08 (2013.01); A63B 2220/52 (2013.01); A63B 2220/56 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A differential air pressure exercise system, comprising:
a base;
a pair of uprights on the base dividing the base into a front portion and a rear portion;
a bulkhead extending between and vertically moveable relative to the pair of uprights;
a right arm attached to the bulkhead extending from the bulkhead towards the rear portion of the base;
a left arm attached to the bulkhead extending from the bulkhead towards the rear portion of the base;
a chamber support frame coupling element on the right arm;
a chamber support frame coupling element on the left arm;
at least one hinge coupled to the bulkhead between the left arm and the right arm;
a chamber support frame extending between the left arm and the right arm, the chamber support frame coupled to the at least one hinge to move between an engaged condition wherein a portion of the chamber support frame is coupled to the chamber support frame coupling element on the right arm and a portion of the chamber support frame is coupled to the chamber support frame coupling element on the left arm and a lowered condition wherein the chamber support frame is uncoupled from both the chamber support frame coupling element on the right arm and the chamber support frame coupling element on the left arm.